Determination of Mode I interlaminar Fracture Toughness of C/SiC Composite Using Taped Double Cantilever Beam and J Integral

Wu Xu, Jiancan Ding, Jingran Ge, Qi Zhang

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摘要

Due to the low in-plane strength of C/SiC ceramic matrix composite (CMC), arm failure may occur in the classical double cantilever beam (DCB) test for determination of the mode I interlaminar fracture toughness. A taped DCB (TDCB) is designed to avoid this undesired failure mode. Exact and explicit J integral for the TDCB is derived and applied to measure the interlaminar fracture toughness of CMC. The present TDCB and J integral are demonstrated to be simple and reliable for determination of the interlaminar fracture toughness, without visual measurement of the delamination length and complex data reduction.

源语言英语
文章编号024501
期刊Journal of Applied Mechanics, Transactions ASME
卷89
期2
DOI
出版状态已出版 - 2月 2022

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Xu, W., Ding, J., Ge, J., & Zhang, Q. (2022). Determination of Mode I interlaminar Fracture Toughness of C/SiC Composite Using Taped Double Cantilever Beam and J Integral. Journal of Applied Mechanics, Transactions ASME, 89(2), 文章 024501. https://doi.org/10.1115/1.4052574