Research on axial compression performance of carbon fiber composite tube based on AE

doi:10.19936/j.cnki.2096-8000.20210728.012

Abstract

Abstract: Acoustic emission(AE) technology is used to monitor and record the axial compression loading process of a carbon fiber composite tube. And acoustic emission characteristic parameters including Cumulative Event Count, Energy, Peak Frequency and Amplitude during the compression process are analyzed. Combined with the compression load curve, the damage process and failure modes of the carbon fiber composite tube under axial compression load are studied. The results show that the typical characteristic parameters of AE can correspond well to the change of the time-load curve. The change of acoustic emission signals can reflect the damage form at different failure stages and the damage characteristics of different types of samples. It has reference value for studying the axial compression performance of carbon fiber composite tube.

Key words: composite tube, axial compression, acoustic emission(AE)

CLC Number:

TB332

LI Qian-qian, ZHANG Jia-shun, TUO Xiao-qing, GAO Yan-tao, LI Wei. Research on axial compression performance of carbon fiber composite tube based on AE[J]. COMPOSITES SCIENCE AND ENGINEERING, 2021, 0(7): 76-83.

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