The incessant demand for lightweight, multifunctional materials in aerospace, automotive, and defense sectors has spurred the development of advanced cellular metals. While traditional metal foams (MFs) offer benefits, their inherent microstructural irregularities and poor mechanical predictability limit their reliability. This review critically assesses the emergence of Metal Matrix Composite Syntactic Foams (MMCSFs) as a superior alternative, in which a continuous metal matrix is reinforced with engineered hollow spherical fillers to overcome these limitations, resulting in lightweight yet robust composites. Introducing hollow metallic spheres (HMS) into MMCSFs enhances energy absorption by deforming under impact, thereby improving impact resistance and crashworthiness. Recent manufacturing advancements and interface-engineering strategies have markedly improved the mechanical robustness and reliability of MMCSFs, positioning them for structural and functional roles in automotive crash absorbers and lightweight chassis components, aerospace panels and cores, blast- and fragment-mitigating armor for defense, marine buoyancy and hull structures, and bio-adaptable implants and fixation devices. This review critically evaluates the composition, processing routes, microstructure-property relationships, and application landscape of MMCSFs. It identifies key challenges and research opportunities for their deployment in next-generation lightweight engineering systems.
DuarteIVesenjakMKrstulović-OparaL.Variation of quasi-static and dynamic compressive properties in single aluminium-alloy foam block. Mater Sci Eng A2014; 4: 157–162. https://doi.org/10.1016/j.mspro.2014.07.580
3.
GöhlerHJehringUKuemmelK, et al. Metallic hollow sphere structures-status and outlook. In: Proceedings of the conference on cellular materials CELLMAT-2012, Dresden, Germany2012.
4.
SzyniszewskiSTSmithBHHajjarJF, et alThe mechanical properties and modeling of a sintered hollow sphere steel foam. Mater Des2014; 54: 1083–1094. https://doi.org/10.1016/j.matdes.2013.08.045
5.
MatzAMMockerBSMüllerDW, et alMesostructural design and manufacturing of open-pore metal foams by investment casting. Adv Mater Sci Eng2014; 2014: 1–9. https://doi.org/10.1155/2014/421729
6.
JainHGuptaGKumarR, et alMicrostructure and compressive deformation behavior of SS foam made through evaporation of urea as space holder. Mater Chem Phys2019; 223: 737–744. https://doi.org/10.1016/j.matchemphys.2018.11.040
7.
Garcia-MorenoFMukherjeeMJiménezC, et alMetal foaming investigated by X-ray radioscopy. Metals2011; 2(1): 10–21. https://doi.org/10.3390/met2010010
SrivastavaSKGuptaGKJoshiTC, et alInsight into classifications and manufacturing processes of metallic foams: a review. Proc Inst Mech Eng E J Process Mech Eng2023; 09544089231190551. https://doi.org/10.1177/09544089231190551
10.
SuMWangHHaoH, et alCompressive properties of expanded glass and alumina hollow spheres hybrid reinforced aluminum matrix syntactic foams. J Alloys Comp2020; 821: 153233. https://doi.org/10.1016/j.jallcom.2019.153233
11.
QuHYangCCuiJ, et alCompressive properties of an Al-matrix syntactic foam filled with Al2O3 hollow sphere. Met Mater2023; 61(1): 35–48. https://doi.org/10.31577/km.2023.1.35
12.
JagadeeshGVGangi SettiS.A review on micromechanical methods for evaluation of mechanical behavior of particulate reinforced metal matrix composites. J Mater Sci2020; 55: 9848–9882. https://doi.org/10.1007/s10853-020-04715-2
13.
RabieiAGarcia-AvilaM.Effect of various parameters on properties of composite steel foams under variety of loading rates. Mater Sci Eng A2013; 564: 539–547. https://doi.org/10.1016/j.msea.2012.11.108
14.
OrbulovIN.Metal matrix syntactic foams produced by pressure infiltration—the effect of infiltration parameters. Mater Sci Eng A2013; 583: 11–19. https://doi.org/10.1016/j.msea.2013.06.066
15.
PandeyABirlaSMondalDP, et alCompressive deformation behavior and strain rate sensitivity of Al-cenosphere hybrid foam with mono-modal, bi-modal and tri-modal cenosphere size distribution. Mater Charact2018; 144: 563–574. https://doi.org/10.1016/j.matchar.2018.08.011
16.
MarxJRabieiA.Overview of composite metal foams and their properties and performance. Adv Eng Mater2017; 19(11): 1600776. https://doi.org/10.1002/adem.201600776
17.
VendraLJBrownJARabieiA.Effect of processing parameters on the microstructure and mechanical properties of Al–steel composite foam. J Mater Sci2011; 46: 4574–4581. https://doi.org/10.1007/s10853-011-5356-4
QiCYuCYangS, et alProcessing, characterization and mechanical properties of welded steel hollow sphere-reinforced aluminum matrix composites. J Mater Sci2023; 58(13): 5865–5883. https://doi.org/10.1007/s10853-023-08365-y
20.
SzlancsikAKatonaBBoborK, et alCompressive behaviour of aluminium matrix syntactic foams reinforced by iron hollow spheres. Mater Des2015; 83: 230–237. https://doi.org/10.1016/j.matdes.2015.06.011
21.
SzlancsikAKatonaBMájlingerK, et alCompressive behavior and microstructural characteristics of iron hollow sphere filled aluminum matrix syntactic foams. Materials2015; 8(11): 7926–7937. https://doi.org/10.3390/ma8115432
22.
WangCJiangFShaoS, et alAcoustic properties of 316L stainless steel hollow sphere composites fabricated by pressure casting. Metals2020; 10(8): 1047. https://doi.org/10.3390/met10081047
23.
MaSZhuangXWangX.Particle distribution-dependent micromechanical simulation on mechanical properties and damage behaviors of particle reinforced metal matrix composites. J Mater Sci2021; 56: 6780–6798. https://doi.org/10.1007/s10853-020-05684-2
SahuSAnsariMZMondalDP, et alQuasi-static compressive behaviour of aluminium cenosphere syntactic foams. Mater Sci Technol2019; 35(7): 856–864. https://doi.org/10.1080/02670836.2019.1593670
30.
BirlaSMondalDPDasS, et alCompressive deformation behavior of highly porous AA2014-Cenosphere closed cell hybrid foam prepared using CaH2 as foaming agent: comparison with aluminum foam and syntactic foam. Trans Indian Ins Metals2017; 70: 1827–1840. https://doi.org/10.1007/s12666-016-0984-7
31.
PanLRaoDYangY, et alGravity casting of aluminum-Al2O3 hollow sphere syntactic foams for improved compressive properties. J Porous Mater2020; 27: 1127–1137. https://doi.org/10.1007/s10934-020-00889-x
32.
Al-SahlaniKBroxtermannSLellD, et alEffects of particle size on the microstructure and mechanical properties of expanded glass-metal syntactic foams. Mater Sci Eng A2018; 728: 80–87. https://doi.org/10.1016/j.msea.2018.04.103
33.
LinYZhangQWuG.Interfacial microstructure and compressive properties of Al–Mg syntactic foam reinforced with glass cenospheres. J Alloys Comp2016; 655: 301–308. https://doi.org/10.1016/j.jallcom.2015.09.175
34.
Santa MariaJASchultzBFFergusonJB, et alEffect of hollow sphere size and size distribution on the quasi-static and high strain rate compressive properties of Al-A380–Al2O3 syntactic foams. J Mater Sci2014; 49: 1267–1278. https://doi.org/10.1007/s10853-013-7810-y
35.
OrbulovINSzlancsikAKeményA, et alCompressive mechanical properties of low-cost, aluminium matrix syntactic foams. Compos Part A: Appl Sci Manuf2020; 135: 105923. https://doi.org/10.1016/j.compositesa.2020.105923
ZhangLPZhaoYY.Mechanical response of Al matrix syntactic foams produced by pressure infiltration casting. J Compos Mater2007; 41(17): 2105–2117. https://doi.org/10.1177/0021998307074132
LuongDDStrbikOMHammondVH, et alDevelopment of high performance lightweight aluminum alloy/sic hollow sphere syntactic foams and compressive characterization at quasi-static and high strain rates. J Alloys Comp2013; 550: 412–422. https://doi.org/10.1016/j.jallcom.2012.10.17141
42.
LicitraLLuongDDStrbikOM, et alDynamic properties of alumina hollow particle filled aluminum alloy A356 matrix syntactic foams. Mater Des2015; 66: 504–515. https://doi.org/10.1016/j.matdes.2014.03.041
43.
BolatÇAkgünİCGökşenliA. Effect of aging heat treatment on compressive characteristics of bimodal aluminum syntactic foams produced by cold chamber die casting. Int J Metalcasting2022; 16(2): 646–662. https://doi.org/10.1007/s40962-021-00629-0
44.
BolatÇBekarCGöksenliäA. Mechanical and physical characteristics of bubble alumina reinforced aluminum syntactic foams made through recyclable pressure infiltration technique. Gazi University Journal of Science2022; 35(1): 184–196. https://doi.org/10.35378/gujs.855321
45.
BolatÇAkgünİCGökşenliA. Effects of particle size, bimodality and heat treatment on mechanical properties of pumice reinforced aluminum syntactic foams produced by cold chamber die casting. China Foundry2021; 18(6): 529–540. https://doi.org/10.1007/s41230-021-1133-4
46.
MarótiJEOrbulovIN.Compressive properties of Al99.5 matrix syntactic foams reinforced by SiC particles in the matrix. Period Polytechnica Mech Eng2025; 69(4): 377–391. https://doi.org/10.3311/ppme.42144
47.
SrivastavaSKGuptaGKJoshiTC, et alExistence of advanced ceramic materials in human life. In: SinghSKumarPMondalDP (eds.) Advanced ceramics for versatile interdisciplinary applications. Elsevier, 2022, pp. 1–14. https://doi.org/10.1016/B978-0-323-89952-9.00013-0
48.
BehnamMSalemi GolezaniAMehdizadeh LimaM.Optimization of surface quality and shell porosity in low carbon steel hollow spheres produced by powder metallurgy. Powder Technol2013; 235: 1025–1029. https://doi.org/10.1016/j.powtec.2012.11.038
49.
CaoMJiangFWangC, et alPreparation, microstructure and mechanical property of double-layered metal-ceramic hollow spheres. Mater Sci Eng A2020; 780: 139188. https://doi.org/10.1016/j.msea.2020.139188
50.
YuTJiangFWangC, et alInvestigation on fabrication and microstructure of Ti–6Al–4V alloy hollow spheres by powder metallurgy. Met Mater Int2021; 27(5): 1083–1091. https://doi.org/10.1007/s12540-019-00462-5
51.
SazegaranHKiani-RashidA-RKhakiJV.Effects of copper content on the shell characteristics of hollow steel spheres manufactured using an advanced powder metallurgy technique. Int J Miner Metall Mater2016; 23(4): 434–441. https://doi.org/10.1007/s12613-016-1253-9
52.
DavariHRGholamzadehHDehghanSA, et alEffect of sintering parameters (time and temperature) upon the fabrication process of organic binder-based metallic hollow sphere. Powder Metall2017; 60(5): 363–370. https://doi.org/10.1080/00325899.2017.1355424
53.
WangCJiangFQinR, et alPreparation and characterization of Hollow 316L stainless steel spheres prepared by powder metallurgy. J Mater Eng Perform2022; 31(2): 1540–1549. https://doi.org/10.1007/s11665-021-06246-6
ManakariVParandeGDoddamaniM, et alEnhancing the ignition, hardness and compressive response of magnesium by reinforcing with hollow glass microballoons. Materials2017; 10(9): 997. https://doi.org/10.3390/ma10090997
56.
NguyenQBSharon NaiMLNguyenAS, et alSynthesis and properties of light weight magnesium–cenosphere composite. Mater Sci Technol2016; 32: 923–929. https://doi.org/10.1080/02670836.2015.1104017
57.
NewsomeDBSchultzBFFergusonJB, et alSynthesis and quasi-static compressive properties of Mg-AZ91D-Al2O3 syntactic foams. Materials2015; 8(9): 6085–6095. https://doi.org/10.3390/ma8095292
PeroniLScapinMAvalleM, et alDynamic mechanical behavior of syntactic iron foams with glass microspheres. Mater Sci Eng A2012; 552: 364–375. https://doi.org/10.1016/j.msea.2012.05.053
60.
LehmhusDWeiseJSzlancsikA, et alFracture toughness of hollow glass microsphere-filled iron matrix syntactic foams. Materials2020; 13(11): 2566. https://doi.org/10.3390/ma13112566
61.
ChoYJLeeTSLeeW, et alPreparation and characterization of iron matrix syntactic foams with glass microspheres via powder metallurgy. Met Mater Int2019; 25: 794–804. https://doi.org/10.1007/s12540-018-00215-w
62.
PeroniLScapinMAvalleM, et alSyntactic iron foams – on deformation mechanisms and Strain-Rate dependence of compressive properties. Adv Eng Mater2012; 14(10): 909–918. https://doi.org/10.1002/adem.201200160
63.
WeiseJSalkNJehringU, et alInfluence of powder size on production parameters and properties of syntactic invar foams produced by means of metal powder injection moulding. Adv Eng Mater2013; 15(3): 118–122. https://doi.org/10.1002/adem.201200129
64.
LuongDDShunmugasamyVCGuptaN, et alQuasi-static and high strain rates compressive response of iron and Invar matrix syntactic foams. Mater Des2015; 66: 516–531. https://doi.org/10.1016/j.matdes.2014.07.030
WeiseJLehmhusDBaumeisterJ, et alProduction and properties of 316L stainless steel cellular materials and syntactic foams. Steel Res Int2014; 85(3): 486–497. https://doi.org/10.1002/srin.201300131
67.
PeroniLScapinMFicheraC, et alInvestigation of the mechanical behaviour of AISI 316L stainless steel syntactic foams at different strain-rates. Compos B Eng2014; 66: 430–442. https://doi.org/10.1016/j.compositesb.2014.06.001
68.
BrownJAVendraLJRabieiA.Bending properties of Al-steel and steel-steel composite metal foams. Metallurgical Mater Trans A2010; 41: 2784–2793. https://doi.org/10.1007/s11661-010-0343-y
69.
YangQYuBHuH, et alMelt flow and solidification during infiltration in making steel matrix syntactic foams. Mater Sci Technol2019; 35(15): 1831–1839. https://doi.org/10.1080/02670836.2019.1650444
MuraliAPDuraisamySSamuthiramS, et alCurrent and emerging methods for manufacturing of closed pore metal foams and its characteristics: a review. J Mater Sci2025; 60(3): 1187–1227. https://doi.org/10.1007/s10853-024-10318-y
72.
BolatÇAkgünİCGökşenliA. Influences of reinforcement size and artificial aging on the compression features of hybrid ceramic filled aluminum syntactic foams. Proc Inst Mech Eng C J Mech Eng Sci2022; 236(14): 8027–8037. https://doi.org/10.1177/09544062221083208
73.
AkinwekomiAD.Microstructural characterisation and corrosion behaviour of microwave-sintered magnesium alloy AZ61/fly ash microspheres syntactic foams. Heliyon2019; 5(4): e01531. https://doi.org/10.1016/j.heliyon.2019.e01531
74.
SrivastavaSKElambasserilJGuptaMK, et alSpray fluidized bed assisted flexible robust lightweight hollow metallic sphere based triboelectric nanogenerator. ACS Appl Electron Mater2024; 6: 6543–6553. https://doi.org/10.1021/acsaelm.4c01010
75.
YangQChengJWeiY, et alInnovative compound casting technology and mechanical properties of steel matrix syntactic foams. J Alloys Comp2021; 853: 156572. https://doi.org/10.1016/j.jallcom.2020.156572
76.
BolatÇErgeneBKarakılınçU, et alInvestigating on the machinability assessment of precision machining pumice reinforced AA7075 syntactic foam. Proc Inst Mech Eng C J Mech Eng Sci2022; 236(5): 2380–2394. https://doi.org/10.1177/09544062211027613
XuCLiuHYangH, et alA green biocompatible fabrication of highly porous functional ceramics with high strength and controllable pore structures. J Mater Sci Technol2016; 32(8): 729–732. https://doi.org/10.1016/j.jmst.2016.07.002
79.
RajakDKKumaraswamidhasLADasS.Investigation and characterisation of aluminium alloy foams with TiH2 as a foaming agent. Mater Sci Technol2016; 32(13): 1338–1345. https://doi.org/10.1080/02670836.2015.1123846
80.
International Organization for Standardization. Mechanical testing of metals: ductility testing: compression test for porous and cellular metals. International Organization for Standardization; 2010.
SimoneAEGibsonLJ.The compressive behaviour of porous copper made by the GASAR process. J Mater Sci1997; 32(2): 451–457. https://doi.org/10.1023/A:1018573904809
83.
MondalDPGoelMDDasS.Compressive deformation and energy absorption characteristics of closed cell aluminum-fly ash particle composite foam. Mater Sci Eng A2009; 507(1–2): 102–109. https://doi.org/10.1016/j.msea.2009.01.019
84.
DegischerHPKrisztB.Handbook of cellular metals. Wiley-VCH, 2002.
SoniBBiswasS.Evaluation of mechanical properties under quasi-static compression of open-cell foams of 6061-T6 Al alloy fabricated by pressurized salt infiltration casting method. Mater Charact2017; 130: 198–203. https://doi.org/10.1016/j.matchar.2017.06.008
AshbyMFEvansTFleckNA, et alMetal foams: a design guide. Elsevier, 2000.
90.
MediaswantiKWenCIvanovaE, et alA review on bioactive porous metallic biomaterials. J Biomim Biomater Tissue Eng2013; 18(1): 1–8.
91.
KunzeHDBaumeisterJBanhartJ, et alP/M technology for the production of metal foams. PMI Powder Metallurgy International1993; 25(4): 182–185.
92.
GibsonIJAshbyMF.The mechanics of three-dimensional cellular materials. Proc R Soc Lond A Math Phys Sci1982; 382(1782): 43–59. https://doi.org/10.1098/rspa.1982.0088
93.
KováčikJMarsavinaLLinulE.Poisson’s ratio of closed-cell aluminium foams. Materials2018; 11(10): 1904. https://doi.org/10.3390/ma11101904
94.
ZhuHXKnottJFMillsNJ.Analysis of the elastic properties of open-cell foams with tetrakaidecahedral cells. J Mech Phys Solids1997; 45(3): 319–343. https://doi.org/10.1016/S0022-5096(96)00090-7
95.
WarrenWKraynikA.The linear elastic properties of open-cell foams. J Appl Mech1988; 55(2): 341–346. https://doi.org/10.1115/1.3173680
NiuWBaiCQiuG, et alProcessing and properties of porous titanium using space holder technique. Mater Sci Eng A2009; 506(1-2): 148–151. https://doi.org/10.1016/j.msea.2008.11.022
98.
KumarRJainHSriramS, et alLightweight open cell aluminum foam for superior mechanical and electromagnetic interference shielding properties. Mater Chem Phys2020; 240: 122274. https://doi.org/10.1016/j.matchemphys.2019.122274
IdrisMIVodenitcharovaTHoffmanM.Mechanical behaviour and energy absorption of closed-cell aluminium foam panels in uniaxial compression. Mater Sci Eng A2009; 517(1–2): 37–45. https://doi.org/10.1016/j.msea.2009.03.067
101.
Ravi KumarNVGokhaleAA. Mechanical properties of Al–Si–Mg foams with different SiC contents and densities. Trans Indian Ins Metals2022; 75: 449–458. https://doi.org/10.1007/s12666-021-02436-x
102.
GibsonLJ.Mechanical behavior of metallic foams. Annu Rev Mater Res2000; 30: 191–227.
JingLSuXYangF, et alCompressive strain rate dependence and constitutive modeling of closed-cell aluminum foams with various relative densities. J Mater Sci2018; 53: 14739–14757. https://doi.org/10.1007/s10853-018-2663-z
105.
MondalDPGoelMDDasS.Effect of strain rate and relative density on compressive deformation behaviour of closed cell aluminum–fly ash composite foam. Mater Des2009; 30(4): 1268–1274. https://doi.org/10.1016/j.matdes.2008.06.059
106.
GoelMDMondalDPYadavMS, et alEffect of strain rate and relative density on compressive deformation behavior of aluminum cenosphere syntactic foam. Mater Sci Eng A2014; 590: 406–415. https://doi.org/10.1016/j.msea.2013.10.048
BirlaSMondalDPDasS, et alInfluence of cell anisotropy and relative density on compressive deformation responses of LM13-cenosphere hybrid foam. J Mater Eng Perform2019; 28: 1–11. https://doi.org/10.1007/s11665-018-3731-x
PanLYangYAhsanMU, et alZn-matrix syntactic foams: effect of heat treatment on microstructure and compressive properties. Mater Sci Eng A2018; 731: 413–422. https://doi.org/10.1016/j.msea.2018.06.072
111.
BolatÇAkgünİCGöksenliäA. On the way to real applications: aluminum matrix syntactic foams. Eur Mech Sci2020; 4(3): 131–141. https://doi.org/10.26701/ems.703619
112.
ZhangQLinYChiH, et alQuasi-static and dynamic compression behavior of glass cenospheres/5A03 syntactic foam and its sandwich structure. Compos Struct2018; 183: 499–509. https://doi.org/10.1016/j.compstruct.2017.05.024
113.
BroxtermannSTaherisharghMBelovaIV, et alOn the compressive behaviour of high porosity expanded perlite-metal syntactic foam (P-MSF). J Alloys Comp2017; 691: 690–697. https://doi.org/10.1016/j.jallcom.2016.08.284
114.
LiuJAYuSRHuZQ, et alDeformation and energy absorption characteristic of Al2O3f/Zn–Al composite foams during compression. J Alloys Comp2010; 506(2): 620–625. https://doi.org/10.1016/j.jallcom.2010.06.107
115.
BolatÇBilgeGGökşenliA. An investigation on the effect of heat treatment on the compression behavior of aluminum matrix syntactic foam fabricated by sandwich infiltration casting. Mater Res2021; 24(2): e20200381. https://doi.org/10.1590/1980-5373-MR-2020-0381
116.
SontiKSMVincentSNaralaSKR. Quasi-static compressive response and energy absorption properties of aluminum matrix syntactic foams: room temperature and elevated temperature conditions. Mater Today Commun2023; 35: 105580. https://doi.org/10.1016/j.mtcomm.2023.105580
DpM.Microstructure and mechanical properties of Al alloy and Al alloy Si Cp composite foam. Trans Indian Ins Metals2007; 60: 495–504.
119.
MukaiTKanahashiHMiyoshiT, et alExperimental study of energy absorption in a close-celled aluminum foam under dynamic loading. Scr Mater1999; 40(8): 921–927. https://doi.org/10.1016/S1359-6462(99)00038-X
120.
MondalDPPatelMDasS, et alTitanium foam with coarser cell size and wide range of porosity using different types of evaporative space holders through powder metallurgy route. Mater Des2014; 63: 89–99. https://doi.org/10.1016/j.matdes.2014.05.054
HanssenAGHopperstadOSLangsethM, et alValidation of constitutive models applicable to aluminium foams. Int J Mech Sci2002; 44(2): 359–406. https://doi.org/10.1016/S0020-7403(01)00091-1
MarkakiAEClyneTW.The effect of cell wall microstructure on the deformation and fracture of aluminium-based foams. Acta Mater2001; 49(9): 1677–1686. https://doi.org/10.1016/S1359-6454(01)00072-6
125.
PeroniLAvalleMPeroniM.The mechanical behaviour of aluminium foam structures in different loading conditions. Int J Impact Eng2008; 35(7): 644–658. https://doi.org/10.1016/j.ijimpeng.2007.02.007
XiaXFengHZhangX, et alThe compressive properties of closed-cell aluminum foams with different Mn additions. Mater Des2013; 51: 797–802. https://doi.org/10.1016/j.matdes.2013.05.008
130.
SimoneAEGibsonLJ.The effects of cell face curvature and corrugations on the stiffness and strength of metallic foams. Acta Mater1998; 46(11): 3929–3935. https://doi.org/10.1016/S1359-6454(98)00072-X
131.
SaadatfarMMukherjeeMMadadiM, et alStructure and deformation correlation of closed-cell aluminium foam subject to uniaxial compression. Acta Mater2012; 60(8): 3604–3615. https://doi.org/10.1016/j.actamat.2012.02.029
SahuSGoelMDMondalDP, et alHigh temperature compressive deformation behavior of ZA27–sic foam. Mater Sci Eng A2014; 607: 162–172. https://doi.org/10.1016/j.msea.2014.04.004
136.
MondalDPJhaNBadkulA, et alHigh temperature compressive deformation behaviour of aluminum syntactic foam. Mater Sci Eng A2012; 534: 521–529. https://doi.org/10.1016/j.msea.2011.12.002
MovahediNLinulEMarsavinaL.The temperature effect on the compressive behavior of closed-cell aluminum-alloy foams. J Mater Eng Perform2018; 27: 99–108. https://doi.org/10.1007/s11665-017-3098-4
139.
LinulEMovahediNMarsavinaL.The temperature and anisotropy effect on compressive behavior of cylindrical closed-cell aluminum-alloy foams. J Alloys Comp2018; 740: 1172–1179. https://doi.org/10.1016/j.jallcom.2018.01.102
140.
YangKYangXLiuE, et alElevated temperature compressive properties and energy absorption response of in-situ grown CNT-reinforced Al composite foams. Mater Sci Eng A2017; 690: 294–302. https://doi.org/10.1016/j.msea.2017.03.004
141.
TaherisharghMLinulEBroxtermannS, et alThe mechanical properties of expanded perlite-aluminium syntactic foam at elevated temperatures. J Alloys Comp2018; 737: 590–596. https://doi.org/10.1016/j.jallcom.2017.12.083
142.
MengX-FLiD-HShenX-Q, et alPreparation and magnetic properties of nano-Ni coated cenosphere composites. Appl Surf Sci2010; 256(12): 3753–3756. https://doi.org/10.1016/j.apsusc.2010.01.019
143.
KaderMAHazellPJIslamMA, et alStrain-rate dependency and impact dynamics of closed-cell aluminium foams. Mater Sci Eng A2021; 818: 141379. https://doi.org/10.1016/j.msea.2021.141379
144.
SunYLiQM.Dynamic compressive behaviour of cellular materials: a review of phenomenon, mechanism and modelling. Int J Impact Eng2018; 112: 74–115. https://doi.org/10.1016/j.ijimpeng.2017.10.006
FiedlerTTaherisharghMKrstulović-OparaL, et alDynamic compressive loading of expanded perlite/aluminum syntactic foam. Mater Sci Eng A2015; 626: 296–304. https://doi.org/10.1016/j.msea.2014.12.032
149.
MájlingerKOrbulovIN.Characteristic compressive properties of hybrid metal matrix syntactic foams. Mater Sci Eng A2014; 606: 248–256. https://doi.org/10.1016/j.msea.2014.03.100
150.
MyersKKatonaBCortesP, et alQuasi-static and high strain rate response of aluminum matrix syntactic foams under compression. Compos2015; 79: 82–91. https://doi.org/10.1016/j.compositesa.2015.09.018
CurdMEMorrisonNFSmithMJA, et alGeometrical and mechanical characterisation of hollow thermoplastic microspheres for syntactic foam applications. Compos B Eng2021; 223: 108952. https://doi.org/10.1016/j.compositesb.2021.108952
153.
RohatgiPKGuptaNSchultzBF, et alThe synthesis, compressive properties, and applications of metal matrix syntactic foams. JOM2011; 63(2): 36–42. https://doi.org/10.1007/s11837-011-0026-1
154.
OmarMYXiangCGuptaN, et alData characterizing flexural properties of Al/Al2O3 syntactic foam core metal matrix sandwich. Data Brief2015; 5: 564–571. https://doi.org/10.1016/j.dib.2015.09.054
LiuSXuHZhangB, et alThe effect of the Cu interlayer on the interfacial microstructure and mechanical properties of Al/Fe bimetal by compound casting. Materials2023; 16(15): 5469. https://doi.org/10.3390/ma16155469
159.
WangQLengXSYangTH, et alEffects of Fe—Al intermetallic compounds on interfacial bonding of clad materials. Trans Nonferrous Met Soc China2014; 24(1): 279–284. https://doi.org/10.1016/S1003-6326(14)63058-2
160.
RaoDWYangYWHuangY, et alMicrostructure and compressive properties of aluminum matrix syntactic foams containing Al2O3 hollow particles. Metallic Mater2021; 58(06): 395–407.https://doi.org/10.4149/km_2020_6_395
161.
KumarGSVHeimKGarcia-MorenoF, et alFoaming of aluminum alloys derived from scrap. Adv Eng Mater2013; 15(3): 129–133. https://doi.org/10.1002/adem.201200122
162.
LorenziLFugantiATodaroE, et alAluminum foam applications for impact energy absorbing structures, SAE transactions, 1997: 27–36. https://www.jstor.org/stable/44657544
RajendranRPrem SaiKChandrasekarB, et alPreliminary investigation of aluminium foam as an energy absorber for nuclear transportation cask. Mater Des2008; 29(9): 1732–1739. https://doi.org/10.1016/j.matdes.2008.03.028
166.
RajendranRPrem SaiKChandrasekarB, et alImpact energy absorption of aluminium foam fitted AISI 304L stainless steel tube. Mater Des2009; 30(5): 1777–1784. https://doi.org/10.1016/j.matdes.2008.07.021
CrupiVEpastoGGuglielminoE.Impact response of aluminum foam sandwiches for light-weight ship structures. Metals2011; 1(1): 98–112. https://doi.org/10.3390/met1010098
169.
PinnojiPKMahajanPBourdetN, et alImpact dynamics of metal foam shells for motorcycle helmets: Experiments & numerical modeling. Int J Impact Eng2010; 37(3): 274–284. https://doi.org/10.1016/j.ijimpeng.2009.05.013
170.
SchwingelDDSeeligerDWVecchionacciMC, et alAluminium foam sandwich structures for space applications. 57th International Astronautical Congress 2007. p. C2. 4.10.
Fragoso-MedinaOVelázquez-VillegasF.Aluminum foam to improve crash safety performance: a numerical simulation approach for the automotive industry. Mech Based Des Struct Mach2023; 51: 3583–3597. https://doi.org/10.1080/15397734.2021.1927076
WangYZhaiXYanJ, et alExperimental, numerical and analytical studies on the aluminum foam filled energy absorption connectors under impact loading. Thin-Walled Struct2018; 131: 566–576. https://doi.org/10.1016/j.tws.2018.07.056
175.
XiaXZhangZZhaoW, et alAcoustic properties of closed-cell aluminum foams with different macrostructures. J Mater Sci Technol2017; 33(11): 1227–1234. https://doi.org/10.1016/j.jmst.2017.07.012
KrishnanSMurthyJYGarimellaSV.Direct simulation of transport in open-cell metal foam. J Heat Transfer2006; 128(8): 793–799. https://doi.org/10.1115/1.2227038
178.
WangZShenHLuoK, et alSynthesis of high-quality vertical graphene nanowalls on metal foams and their applications in EMI shielding. Mater Today Commun2022; 33: 104608. https://doi.org/10.1016/j.mtcomm.2022.104608
ChengYLiYChenX, et alCompressive properties and energy absorption of aluminum foams with a wide range of relative densities. J Mater Eng Perform2018; 27(8): 4016–4024. https://doi.org/10.1007/s11665-018-3514-4
181.
KremerK. Metal foams for improved crash energy absorption in passenger equipment. In: Final Report for High-Speed Rail IDEA Project, 2004, p. 34.
GokhaleAKumarNSudhakarB, et alCellular metals and ceramics for defence applications. Def Sci J2011; 61(5): 567–575. https://doi.org/10.14429/dsj.61.640
185.
TanXTanYJ.3D Printing of Metallic Cellular Scaffolds for Bone Implants. In: ManiruzzamanM. (ed.) 3D and 4D Printing in Biomedical Applications. 2019, pp. 297–316. https://doi.org/10.1002/9783527813704.ch12
186.
TanXPTanYJChowCSL, et alMetallic powder-bed based 3D printing of cellular scaffolds for orthopaedic implants: a state-of-the-art review on manufacturing, topological design, mechanical properties and biocompatibility. Mater Sci Eng C2017; 76: 1328–1343. https://doi.org/10.1016/j.msec.2017.02.094
187.
OriňakováRGorejováRKrálováZO, et alNovel trends and recent progress on preparation methods of biodegradable metallic foams for biomedicine: a review. J Mater Sci2021; 56(25): 13925–13963. https://doi.org/10.1007/s10853-021-06163-y
188.
MurrLE.Strategies for creating living, additively manufactured, open-cellular metal and alloy implants by promoting osseointegration, osteoinduction and vascularization: an overview. J Mater Sci Technol2019; 35(2): 231–241. https://doi.org/10.1016/j.jmst.2018.09.003
189.
OriňakováRGorejováROrságová KrálováZ, et alSurface modifications of biodegradable metallic foams for medical applications. Coatings2020; 10(9): 819. https://doi.org/10.3390/coatings10090819
190.
OrbulovIN. Metal matrix composite syntactic foams for light-weight structural materials. In: BrabazonD(ed.) Encyclopedia of Materials: Composites. Elsevier, 2021, pp. 781–797. https://doi.org/10.1016/B978-0-12-803581-8.11918-6
191.
AmsterdamEBabcsánNHossonJTMD, et alFracture behavior of metal foam made of recycled MMC by the melt route. Mater Trans2006; 47(9): 2219–2222. https://doi.org/10.2320/matertrans.47.2219
192.
KumarNBhartiA.Review on Powder Metallurgy: A Novel Technique for recycling and foaming of aluminium-based materials. Powder Metall Met Ceram2021; 60(1-2): 52–59. https://doi.org/10.1007/s11106-021-00214-4
193.
ChangdarAChakrabortyS. State-of-the-art manufacturing of metal foams and processing—a review. In: Advances in forming, machining and automation: select proceedings of AIMTDR2021, 2022, 127–142. https://doi.org/10.1007/978-981-19-3866-5_11
194.
YanCHaoLHusseinA, et alEvaluation of light-weight AlSi10Mg periodic cellular lattice structures fabricated via direct metal laser sintering. J Mater Process Technol2014; 214(4): 856–864. https://doi.org/10.1016/j.jmatprotec.2013.12.004
195.
YanCHaoLHusseinA, et alMicrostructure and mechanical properties of aluminium alloy cellular lattice structures manufactured by direct metal laser sintering. Mater Sci Eng A2015; 628: 238–246. https://doi.org/10.1016/j.msea.2015.01.063
MaskeryIAboulkhairNTAremuAO, et alA mechanical property evaluation of graded density Al-Si10-Mg lattice structures manufactured by selective laser melting. Mater Sci Eng A2016; 670: 264–274. https://doi.org/10.1016/j.msea.2016.06.013
198.
MazurMLearyMMcMillanM, et alMechanical properties of Ti6Al4V and AlSi12Mg lattice structures manufactured by selective laser melting (SLM). In: BrandtM (ed.) Woodhead Publishing Series in Electronic and Optical Materials. Laser Additive Manufacturing, Woodhead Publishing; 2017, pp. 119–161. https://doi.org/10.1016/B978-0-08-100433-3.00005-1.
199.
ChenYJhaSRautA, et alTomography of 3D-printed lattice structured aluminum-silicon alloy and its deformation. 3D Print Addit Manuf2021; 8(1): 42–50. https://doi.org/10.1089/3dp.2019.0200
200.
WuSYangLYangX, et alMechanical properties and energy absorption of AlSi10Mg gyroid lattice structures fabricated by selective laser melting. Smart Manufacturing2022; 01(01): 2150001. https://doi.org/10.1142/S2737549821500010
201.
PirinuAPrimoTDel PreteA, et alMechanical behaviour of AlSi10Mg lattice structures manufactured by the selective laser melting (SLM). Int J Adv Manuf Technol2023; 124(5): 1651–1680.
202.
ChaudhariAEkadePKrishnanS.Experimental investigation of heat transfer and fluid flow in octet-truss lattice geometry. Int J Therm Sci2019; 143: 64–75. https://doi.org/10.1016/j.ijthermalsci.2019.05.003
203.
DelroissePJacquesPJMaireE, et alEffect of strut orientation on the microstructure heterogeneities in AlSi10Mg lattices processed by selective laser melting. Scr Mater2017; 141: 32–35. https://doi.org/10.1016/j.scriptamat.2017.07.020
204.
DongZLiuYLiW, et alOrientation dependency for microstructure, geometric accuracy and mechanical properties of selective laser melting AlSi10Mg lattices. J Alloys Comp2019; 791: 490–500. https://doi.org/10.1016/j.jallcom.2019.03.344
205.
AlhammadiAAl-KetanOKhanKA, et alMicrostructural characterization and thermomechanical behavior of additively manufactured AlSi10Mg sheet cellular materials. Mater Sci Eng A2020; 791: 139714. https://doi.org/10.1016/j.msea.2020.139714
206.
WongMOwenISutcliffeCJ, et alConvective heat transfer and pressure losses across novel heat sinks fabricated by selective laser melting. Int J Heat Mass Transf2009; 52(1-2): 281–288. https://doi.org/10.1016/j.ijheatmasstransfer.2008.06.002
207.
SéloRRJCatchpole-SmithSMaskeryI, et alOn the thermal conductivity of AlSi10Mg and lattice structures made by laser powder bed fusion. Addit Manuf2020; 34: 101214. https://doi.org/10.1016/j.addma.2020.101214
MathesonKECrossKKNowellMM, et alA multiscale comparison of stochastic open-cell aluminum foam produced via conventional and additive-manufacturing routes. Mater Sci Eng A2017; 707: 181–192. https://doi.org/10.1016/j.msea.2017.08.102
210.
ZhangMChenCHuangY.Laser additive manufacturing foam aluminium-12 wt-% silicon with different addition TiH2 foaming agent. Mater Sci Technol2018; 34(8): 968–981. https://doi.org/10.1080/02670836.2017.1415014
211.
CalignanoFCattanoGIulianoL, et alControlled porosity structures in aluminum and titanium alloys by selective laser melting. In: Industrializing Additive Manufacturing-Proceedings of Additive Manufacturing in Products and Applications-AMPA2017 1. Springer; 2018. pp. 181–190. https://doi.org/10.1007/978-3-319-66866-6_18
212.
FengXZhangZCuiX, et alAdditive manufactured closed-cell aluminum alloy foams via laser melting deposition process. Mater Lett2018; 233: 126–129. https://doi.org/10.1016/j.matlet.2018.08.146
213.
DubininOBondarevaJKuzminovaY, et alA promising approach to 3D printing of metal foam with defined porosity. J Porous Mater2023; 30(5): 1565–1573. https://doi.org/10.1007/s10934-023-01440-4
MeiYFuCFuY, et alEffect of particle size and distribution of hollow spheres on the compressive behavior of aluminum matrix syntactic foams. J Mater Res2023; 38(19): 4408–4419. https://doi.org/10.1557/s43578-023-01153-z
216.
SarrafanSLiG.Conductive and ferromagnetic syntactic foam with shape memory and self-healing/Recycling Capabilities. Adv Funct Mater2024; 34(11): 2308085. https://doi.org/10.1002%2Fadfm.202308085
217.
Standard I, ISO 13314: 2011 (E). Mechanical testing of metals—ductility testing—compression test for porous and cellular metals, Ref number ISO, 2011, 13314: 1–7.
218.
MehtaBZhaoY.Tribological properties of aluminium matrix syntactic foams manufactured with aluminium smelter waste. Appl Sci2024; 14(10): 4288. https://doi.org/10.3390/app14104288
MovahediNMurchGEBelovaIV, et alFunctionally graded metal syntactic foam: Fabrication and mechanical properties. Mater Des2019; 168: 107652. https://doi.org/10.1016/j.matdes.2019.107652
221.
ThomasKKannanSNazzalM, et alA numerical simulation of machining 6061 syntactic foams reinforced with hollow Al2O3 shells. Metals2022; 12(4): 596. https://doi.org/10.3390/met12040596
222.
ThomasKKKannanS. Machining simulation of biomedical AZ31 magnesium syntactic foam. In: Proceedings Of The 2022 4th International Conference On Sustainable Manufacturing, Materials And Technologies. AIP Publishing LLC; 2023. p. 030010. https://doi.org/10.1063/5.0142501
223.
KannanSKishawyHAPervaizS, et alMachining of novel AA7075 foams containing thin-walled ceramic bubbles. Mater Manuf Process2020; 35(16): 1812–1821. https://doi.org/10.1080/10426914.2020.1802038
224.
KannanSPervaizSJahanMP, et alCryogenic drilling of AZ31 magnesium syntactic foams. Materials2020; 13(18): 4094. https://doi.org/10.3390/ma13184094
225.
SarmahPGuptaK.A review on the machinability enhancement of metal matrix composites by modern machining processes. Micromachines2024; 15(8): 947. https://doi.org/10.3390/mi15080947
226.
SzalókiIViharosZJ.Surface structure analysis of syntactic metal foams machined by milling. Period Polytech Mech Eng2018; 32(1): 26–32. https://doi.org/10.3311/PPme.11003
227.
BolatCErgeneBAkgunIC, et alAn experimental examination of the dry drilling machinability features of cellular glass-filled new-generation metallic composite foams. Materwiss Werksttech2023; 54(11): 1378–1389. https://doi.org/10.1002/mawe.202300010
228.
ThomasKKKannanSPervaizS, et alComputational analysis of machining induced stress distribution during dry and cryogenic orthogonal cutting of 7075 aluminium closed cell syntactic foams. Micromachines2023; 14(1): 174. https://doi.org/10.3390/mi14010174
229.
KannanSPervaizSAlhouraniA, et alOn the role of hollow aluminium oxide microballoons during machining of AZ31 magnesium syntactic foam. Materials2020; 13(16): 3534. https://doi.org/10.3390/ma13163534
230.
BolatÇÖzdoğanNÇobanS, et alEstimation of cutting forces in CNC slot-milling of low-cost clay reinforced syntactic metal foams by artificial neural network modeling. Multidiscip Model Mater Struct2024; 20(3): 417–436. https://doi.org/10.1108/mmms-09-2023-0295
231.
Sánchez de la MuelaAMGarcía CambroneroLEMalheirosLF, et alNew aluminum syntactic foam: synthesis and mechanical characterization. Materials2022; 15(15): 5320. https://doi.org/10.3390/ma15155320
232.
MotahariniaADrelichJWGoldmanJ, et alCurrent status and recent advances in magnesium-matrix syntactic foams: preparation, mechanical properties, and corrosion behavior. J Mater Res Technol2024; 30: 8316–8344. https://doi.org/10.1016/j.jmrt.2024.05.191
233.
GuptaNPinisettyDShunmugasamyVC.Introduction. In: GuptaNPinisettyDShunmugasamyVC (eds) Reinforced polymer matrix syntactic foams: Effect of Nano and micro-scale Reinforcement. Springer International Publishing, 2013, pp. 1–8.
OrbulovINDobránszkyJ.Producing metal matrix syntactic foams by pressure infiltration. Period Polytechnica Mech Eng2008; 52(1): 35–42. https://doi.org/10.3311/pp.me.2008-1.06
236.
OrbulovINSzlancsikA.On the mechanical properties of aluminum matrix syntactic foams. Adv Eng Mater2018; 20(5): 1700980. https://doi.org/10.1002/adem.201700980
237.
ChackoZYeboahNARabieiA.A study on thermal expansion and thermomechanical behavior of composite metal foams. Adv Eng Mater2025; 27: 2402871. https://doi.org/10.1002/adem.202402871
238.
ThiyagarajanRSenthil kumarM.A review on closed cell metal matrix syntactic foams: A green initiative towards Eco-Sustainability. Mater Manuf Process2021; 36(12): 1333–1351. https://doi.org/10.1080/10426914.2021.1928696
LiYWangZGuoZ.Preparation and compression behavior of high porosity, microporous open-cell Al foam using supergravity infiltration method. Materials2024; 17(2): 337. https://doi.org/10.3390/ma17020337
242.
ShuklaAKMondalDPDileepM, et alStudies on aluminum cenosphere composite foam developed by plasma-spray-assisted additive manufacturing. J Mater Eng Perform2025; 34(18): 21280–21296. https://doi.org/10.1007/s11665-025-10739-z
HossainMSRabiSNMohammadS, et alInvestigation of thermomechanical properties of hollow glass microballoon-filled composite materials developed by additive manufacturing with machine learning validation. Polymers2025; 17(11): 1495. https://doi.org/10.3390/polym17111495
245.
JangJHChoYJ.Effects of interfacial debonding of microspheres on mechanical properties of iron matrix syntactic foams: roles of Ni coating. Mech Adv Mater Struct2025; 1–14. https://doi.org/10.1080/15376494.2025.2455519
246.
ZhangYBirchRSZhaoY, et alExperimental investigation of energy dissipation of aluminum matrix syntactic foam under impulsive loading. Int J Impact Eng2025; 203: 105373. https://doi.org/10.1016/j.ijimpeng.2025.105373
247.
AfolabiLOAriffZMHashimSFS, et alSyntactic foams formulations, production techniques, and industry applications: A review. J Mater Res Technol2020; 9(5): 10698–10718. https://doi.org/10.1016/j.jmrt.2020.07.074
248.
ChackoZLucierGRabieiA.Performance of composite metal foams under cyclic loading at elevated temperatures. J Mater Sci2025; 60(40): 19184–19203. https://doi.org/10.1007/s10853-025-11516-y
ZhuangWWangEZhangH.Prediction of compressive mechanical properties of three-dimensional mesoscopic aluminium foam based on deep learning method. Mech Mater2023; 182: 104684. https://doi.org/10.1016/j.mechmat.2023.104684
