Experimental investigation of damage transition in thermoplastic composites at the microscale

Arief Yudhanto, Husam Wafai, Gilles Lubineau, N. Verghese, R. Yaldiz

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Abstract

Thermoplastic composites become very popular for making impact-prone structures. An efficient approach to estimate the out-of-plane mechanical performance of thermoplastic composites is proposed to support the material development stage as well as modeling approach. The estimation was done by isolating the principal damage modes in a relatively small sample subjected to three-point bending (3PB) load within micro-tensile/compression stage (Kammrath & Weiss). The in situ damage development, i.e. the transition from transverse crack to delamination, was recorded by scanning electron microscope. Two loading speeds were evaluated, e.g., 0.5 micron/sec and 20 micron/sec, in relation with the absorbed energy. The role of fibrillation in the wake of crack bridging is discussed.
Original languageEnglish (US)
Title of host publication17th European Conference on Composite Materials, ECCM 2016
PublisherEuropean Conference on Composite Materials, ECCM
ISBN (Print)9783000533877
StatePublished - Jan 1 2016

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