Experimental Investigation of Damage Transition in Thermoplastic Composites at the Microscale

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.

Department(s)

Mechanical and Aerospace Engineering

Comments

Saudi Basic Industries Corporation, Grant None

Keywords and Phrases

Microscale test; SEM; Thermoplastic composite

International Standard Book Number (ISBN)

978-300053387-7

Document Type

Article - Conference proceedings

Document Version

Citation

File Type

text

Language(s)

English

Rights

© 2025 Curran Associates Inc., All rights reserved.

Publication Date

01 Jan 2016

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