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

doi:10.1115/1.4052574

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

Institute of Advanced Structure Technology

Research output: Contribution to journal › Article › peer-review

3 Citations (Scopus)

Abstract

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.

Original language	English
Article number	024501
Journal	Journal of Applied Mechanics, Transactions ASME
Volume	89
Issue number	2
DOIs	https://doi.org/10.1115/1.4052574
Publication status	Published - Feb 2022

Keywords

J integral
ceramic matrix composites
delamination
energy release rate
interlaminar fracture toughness
taped double cantilever beam

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10.1115/1.4052574

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

abstract = "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.",

keywords = "J integral, ceramic matrix composites, delamination, energy release rate, interlaminar fracture toughness, taped double cantilever beam",

author = "Wu Xu and Jiancan Ding and Jingran Ge and Qi Zhang",

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T1 - Determination of Mode I interlaminar Fracture Toughness of C/SiC Composite Using Taped Double Cantilever Beam and J Integral

AU - Xu, Wu

AU - Ding, Jiancan

AU - Ge, Jingran

AU - Zhang, Qi

PY - 2022/2

Y1 - 2022/2

N2 - 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.

AB - 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.

KW - J integral

KW - ceramic matrix composites

KW - delamination

KW - energy release rate

KW - interlaminar fracture toughness

KW - taped double cantilever beam

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

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