The Air Force Research Laboratory directed a research program to evaluate nine different composite progressive damage analysis methods under both quasi-static and fatigue loading. This paper describes the coupon tests that were performed at the Air Force Research Laboratory for calibration and validation of the methods under quasi-static conditions. The basic elastic and failure properties of unidirectional IM7/977-3 graphite/epoxy were first determined in order to properly calibrate the models. Validation tests were then performed on unnotched and open-hole coupons with three different laminate stacking sequences under both tension and compression loading conditions. This paper summarizes these experimental results and provides X-ray computed tomography images at subcritical load levels.
ASTM D3410:2008. Standard test method for compressive properties of polymer matrix composite materials with unsupported gage section by shear loading.
6.
ASTM D6641:2014. Standard test method for compressive properties of polymer matrix composite materials using a combined loading compression (CLC) test fixture.
7.
ASTM D7078:2005. Standard test method for shear properties of composite materials by v-notched rail shear method.
8.
ASTM D5766:2007. Standard test method for open-hole tensile strength of polymer matrix composite laminates.
9.
ASTM D6484:2004. Standard test method for open-hole compressive strength of polymer matrix composite laminates.
10.
ASTM D3171:2011. Standard test methods for constituent content of composite materials.
11.
ASTM D5528:2007. Standard test method for Mode I interlaminar fracture toughness of unidirectional fiber-reinforced polymer matrix composites.
12.
ASTM D7905:2014. Standard test method for determination of the Mode II interlaminar fracture toughness of unidirectional fiber reinforced polymer matrix composites.
13.
MingXAdamsDF. Effect of loading method on compression testing of composite materials. J Compos Mater1995; 29: 1581–1600.
14.
LeeSMunroM. Evaluation of in-plane shear test methods for advanced composite materials by the decision analysis technique. Composites1986; 17: 13–22.
15.
LockwoodPA. Results of the ASTM round-robin on the rail shear test for composites. J Compos Technol Res1981; 3: 83–86.
16.
ASTM D3518:2007. In-plane shear response of polymer matrix composite materials by tensile test of a +/-45° laminate.
17.
ChamisCCSinclairJH. Ten-degree off-axis test for shear properties in fiber composites. Exp Mech1977; 17: 339–346.
18.
Duggan MF, McGrath JT and Murphy MA. Shear testing of composite materials by a simple combined-loading technique. Conference Proceedings of the AIAA/ASME Structures, Structural Dynamics, and Materials Conference (1978); AIAA, 311–319.
19.
Bryan EL. Photoelastic evaluation of the panel shear test for plywood. ASTM Symposium on Shear and Torsion Testing (1961): STP44366S; 90–94.
20.
WhitneyJMHalpinJC. Analysis of laminated anisotropic tubes under combined loading. J Compos Mater1968; 2: 360–367.
21.
IosipescuN. New accurate procedure for single shear testing of metals. J Metals1967; 2: 537–566.
22.
Adams DO, Moriarty JM, Gallegos AM, et al. Development and evaluation of the V-notched rail shear test for composite laminates. Federal Aviation Administration Report DOT/FAA/AR-03/63, 2003.
23.
Serna MorenoMCMartinez VicenteJL. In-plane shear failure properties of a chopped glass-reinforced polyester by means of traction-compression biaxial testing. Compos Struct2015; 122: 440–444.
24.
BoissePHamilaNGuzman-MaldonadoE. The bias-extension test for the analysis of in-plane shear properties of textile composite reinforcements and prepregs: a review. Int J Mater Form 11 April 2016. DOI: 10.1007/s12289-016-1294-7.
25.
GudeMHufenbachWAndrichM. Modified V-notched rail shear test fixture for shear characterization of textile-reinforced composite materials. Polym Test2015; 43: 147–153.
26.
LiXGuanZLiZ. A new stress-based multi-scale failure criterion of composites and its validation in open hole tension tests. Chin J Aeronaut2014; 27: 1430–1441.
27.
AchardVBouvetCCastaniéB. Discrete ply modelling of open hole tensile tests. Compos Struct2014; 113: 369–381.
28.
ChenXLiZWangH. Progressive failure analysis of an open-hole composite laminate by using the s-version finite-element method. Mech Compos Mater2014; 50: 279–294.
29.
MartinELeguillonDCarrèreN. A coupled strength and toughness criterion for the prediction of the open hole tensile strength of a composite plate. Int J Solids Struct2012; 49: 3915–3922.
30.
GamdaniFBoukhiliRVadeanA. Tensile strength of open-hole, pin-loaded and multi-bolted single-lap joints in woven composite plates. Mater Des2015; 88: 702–712.
31.
SuZCTayTERidhaM. Progressive damage modeling of open-hole composite laminates under compression. Compos Struct2015; 122: 507–517.
32.
SoutisC. Compressive strength of composite laminates with an open hole: effect of ply blocking. J Compos Mater2013; 47: 2503–2512.
33.
AtaA. Open hole compressive strength and damage mechanisms: maximum stress versus Hashin criteria. Plast Rubber Compos Macromol Eng2015; 44: 280–290.
34.
LiWCaiHLiC. Static compressive strength prediction of open-hole structure based on non-linear shear behavior and micro-mechanics. Mech Time-Dependent Mater2014; 18: 643–662.
35.
HallettSRGreenBGJiangW-GCheungKHWisnomMR. The open hole tensile test: a challenge for virtual testing of composites. Int J Fract2009; 158: 169–181.
36.
SawanHWalterMMarquetteB. Unsupervised learning for classification of acoustic emission events from tensile and bending experiments with open-hole carbon fiber composite samples. Compos Sci Technol2015; 107: 89–97.
37.
CamineroMLopez-PedrosaMPinnaC. Damage monitoring and analysis of composite laminates with an open hole and adhesively bonded repairs using digital image correlation. Composites B2013; 53: 76–91.
38.
SuemasuHNaitoYGozuK. Damage initiation and growth in composite laminates during open hole compression tests. Adv Compos Mater2012; 21: 209–220.
39.
ElhajjarRFShamsSS. Compression testing of continuous fiber reinforced polymer composites with out-of-plane fiber waviness and circular notches. Polym Test2014; 35: 45–55.
40.
ErçinGHCamanhoPPXavierJ. Size effects on the tensile and compressive failure of notched composite laminates. Compos Struct2013; 96: 736–744.
41.
NettlesAT. Notched compression strength of 18-ply laminates with various percentages of 0 plies. J Compos Mater2015; 49: 495–505.
42.
O’Brien TK, Chawan AD, DeMarco K, et al. Influence of specimen preparation and specimen size on composite transverse tensile strength and scatter. NASA/TM-2001-211030, ARL-TR-2540, 2001.
43.
O’Brien TK and Krueger R. Analysis of ninety degree flexure tests for characterization of composite transverse tensile strength. NASA/TM-2001-211227, ARL-TR-2568, 2001.
44.
O’Brien TK and Salpekar SA. Scale Effects on the Transverse Tensile Strength of Graphite Epoxy Composites. NASA/Technical Memorandum 107637, AVSCOM Technical Report 92-B-009, 1992.
45.
HojoMSavadaYMayairiH. Influence of clamping method on tensile properties of unidirectional CFRP in 00 and 900 directions – round robin activity for international standardization in Japan. Composites1994; 25: 786–796.
46.
Cytec Engineered Materials. CYCOM® 977-3 epoxy resin system technical data sheet, March 2012.
47.
LavoieJAAdolfssonE. Stitch cracks in constraint plies adjacent to a cracked ply. J Compos Mater2001; 35: 2077–2097.
