Impact properties of flax fibre-reinforced polymer composites were investigated using two different impact test methods, i.e. drop-weight test and Charpy test. The drop-weight impact tests were conducted with varying drop height. For the drop-weight tests, the perforation energy and the energy absorbed by a specimen are used to study the impact response of the flax fibre-reinforced polymer composite. In a series of Charpy tests, the energy absorbed per unit width of the specimen was investigated. Impact force and Hertzian force were analysed and were found to increase with composite thickness. The ductility index decreased as the composite thickness increased. The failure of flax fibre-reinforced polymer composites started as micro-cracks, progressed to larger cracks and perforation occurred at last. However, the damage to flax fibre-reinforced polymer composites differed with the thickness of the specimens.
PavithranCMukherjeePSBrahmakumarM. Impact properties of natural fibre composites. J Mater Sci Lett1987; 6: 882–884.
11.
PothanLAThomasSNeelakantanNR. Short banana fibre reinforced polyester composites: mechanical, failure and aging characteristics. J Reinf Plast Compos1997; 16: 744–765.
12.
SingletonACNBaillieCABeaumontPWR. On the mechanical properties, deformation and fracture of a natural fibre/recycled polymer composite. Compos B2003; 34: 195–526.
13.
GarkhailSKHeijenrathRWHPeijsT. Mechanical properties of natural-fibre-mat-reinforced thermoplastics based on flax fibres and polypropylene. Appl Compos Mater2000; 7: 351–372.
14.
BaxBMüssigJ. Impact and tensile properties of PLA/Cordenka and PLA/flax composites. Compos Sci Technol2008; 68: 1601–1607.
15.
RayDSarkarBKBoseNR. Impact fatigue behaviour of vinylester resin matrix composites reinforced with alkali treated jute fibres. Compos A2002; 33: 233–241.
16.
ScarponiCPizzinelliCSSánchez-SáezS. Impact load behaviour of Resin Transfer Moulding (RTM) hemp fibre composite laminates. J Biobased Mater2009; 3: 298–310.
17.
DehkordiMTNosratyHShokriehMM. Low velocity impact properties of intra-ply hybrid composites based on basalt and nylon woven fabrics. Mater Des2010; 31: 3835–3844.
18.
TanCYAkilHM. Impact response of fibre metal laminate sandwich composite structure with polypropylene honeycomb core. Compos B2012; 43: 1433–1438.
19.
HoMLauK. Design of an impact resistant glass fibre/epoxy composites using short silk fibres. Mater Des2012; 35: 664–669.
WongKJNirmalULimBK. Impact behaviour of short and continuous fibre-reinforced polyester composites. Reinf Plast Compos2010; 29: 3463–3476.
22.
MathivananNRJeraldJ. Interlaminar fracture toughness and low-velocity impact resistance of woven glass epoxy composite laminates of EP3 grade. J Miner Mater Char Eng2009; 11: 321–333.
23.
TimHSimonBJörgM. Flexural and impact properties of all-cellulose composite laminates. Compos Sci Technol2013; 88: 92–98.
24.
AktasMAtasCIctenBM. An experimental investigation of the impact response of composite laminates. Compos Struct2009; 87: 307–313.
25.
LiuD. Characterization of impact properties and damage process of glass-epoxy composite laminates. J Compos Mater2004; 38: 1425–1444.
26.
SayerMBektasNBSaymanO. An experimental investigation on the impact behavior of hybrid composite plates. Compos Struct2012; 92: 1256–1262.
27.
EvciCGülgeçM. An experimental investigation on the impact response of composite materials. Int J Impact Eng2012; 43: 40–51.
28.
TaraghiIFereidoonATaheri-BehroozF. Low-velocity impact response of woven Kevlar/epoxy laminated composites reinforced with multi-walled carbon nanotubes at ambient and low temperatures. Mater Des2014; 53: 152–158.
29.
PickeringKLEfendyMGALeTM. A review of recent developments in natural fibre composites and their mechanical performance. Composite A2016; 83: 98–112.
30.
YanLChouwNYuanX. Improving the mechanical properties of natural fibre fabric reinforced epoxy composites by alkali treatment. J Reinf Plast Compos2012; 31: 425–437.
31.
Lomov SV (ed). Non-crimp fabric composites: manufacturing, properties and applications. 80 High Street, Sawston, Cambridge CB22 3HJ, HK: First published by Woodhead Publishing Limited, Elsevier, 2011.
32.
ASTM D7136/D7136M: 2012. Standard test method for measuring the damage resistance of a fibre-reinforced polymer matrix composite to a drop-weight impact event.
33.
ASTM D6110-10: 2010. Standard test method for determining the Charpy impact resistance of notched specimens of plastics.
SutherlandLSSoaresCG. Impact characterisation of low fibre-volume glass reinforced polyester circular laminated plates. Int J Impact Eng2005; 31: 1–23.
36.
AbrateSCastanieBRajapakseYD. Dynamic failure of composite and sandwich structures, Springer Netherlands: Springer Science & Business Media, 2013, pp. 192–192.
37.
RichardsonMOWWisheartMJ. Review of low-velocity impact properties of composite materials. Compos A1996; 27: 1123–1131.
38.
ReidSRZhouG. Impact behaviour of fibre-reinforced composite materials and structures, First published by Woodhead Publishing Ltd and CRC Press LLC: Elsevier, 2000.
