Performance comparison of resin-infused thermoplastic and thermoset 3D fabric composites under impact loading

Shah, S.Z.H. and Megat-Yusoff, P.S.M. and Karuppanan, S. and Choudhry, R.S. and Ahmad, F. and Sajid, Z. and Gerard, P. and Sharp, K. (2021) Performance comparison of resin-infused thermoplastic and thermoset 3D fabric composites under impact loading. International Journal of Mechanical Sciences, 189 .

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In this paper, the impact performance of a novel resin-infused acrylic thermoplastic matrix-based 3D glass fabric composite (3D-FRC) has been evaluated and compared with thermoset based 3D-FRC under single as well as recurring strike low velocity impact (LVI) events. The single impact tests revealed that the thermoplastic-based 3D-FRC exhibits up to 45 reduced damage area and can have up to 20 higher impact load-bearing capacity (peak force). The damage mode characterization showed that damage transition energy required for micro to macro damage transition is 27 higher, and back face damage extension is up to 3 times less for thermoplastic-based 3D-FRC. Meanwhile, the recurring strike impact test highlights that the thermoplastic-based 3D-FRC experiences a 50 less damaged area, better structural integrity, and survived more strikes. The comparison of single and repeated LVI tests have also allowed us to present a design criterion for estimating the safe number of repeated LVI events for a given impact energy. The superior impact resistance of thermoplastic-based 3D-FRC is attributed to their higher interlaminar fracture toughness, a tougher fiber-matrix interface, matrix ductility, and unique failure mechanism of yarn straining, which is not present in thermoset composites. © 2020

Item Type:Article
Impact Factor:cited By 10
Uncontrolled Keywords:Failure (mechanical); Fracture toughness; Reinforced plastics; Resins; Thermosets, Fiber-matrix interfaces; Glass fabric composites; Impact performance; Interlaminar fracture toughness; Low velocity impact; Performance comparison; Thermoplastic matrices; Thermoset composites, Polymer matrix composites
ID Code:23889
Deposited By: Ms Sharifah Fahimah Saiyed Yeop
Deposited On:19 Aug 2021 13:24
Last Modified:19 Aug 2021 13:24

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