基于AE的碳纤维复合材料圆管轴向压缩性能研究

doi:10.19936/j.cnki.2096-8000.20210728.012

复合材料科学与工程 ›› 2021, Vol. 0 ›› Issue (7): 76-83.DOI: 10.19936/j.cnki.2096-8000.20210728.012

基于AE的碳纤维复合材料圆管轴向压缩性能研究

李倩倩^1,2, 张加顺^1,2, 脱晓庆^1,2, 高彦涛⁴, 李炜^1,2,3*

1.东华大学上海高性能纤维复合材料协同创新中心,上海201620;
2.东华大学纺织学院,上海201620;
3.产业用纺织品教育部工程研究中心,上海201620;
4.上海工程技术大学纺织服装学院,上海201620

收稿日期:2020-09-29 出版日期:2021-07-28 发布日期:2021-08-04
通讯作者: 李炜(1971-),女,教授,主要从事纺织复合材料的制备、性能与工艺方面的研究,liwei@dhu.edu.cn。
作者简介:李倩倩(1994-),女,博士研究生,主要从事纺织复合材料的制备与性能方面的研究。

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

LI Qian-qian^1,2, ZHANG Jia-shun^1,2, TUO Xiao-qing^1,2, GAO Yan-tao⁴, LI Wei^1,2,3*

1. Shanghai Collaborative Innovation Center for High Performance Fiber Composites, Donghua University, Shanghai 201620, China;
2. College of Textiles, Donghua University, Shanghai 201620, China;
3. Engineering Research Center of Technical Textile, Ministry Education, Shanghai 201620, China;
4. College of Textiles and Clothing, Shanghai University of Engineering Science, Shanghai 201620, China

Received:2020-09-29 Online:2021-07-28 Published:2021-08-04

摘要/Abstract

摘要： 采用声发射技术对碳纤维复合材料圆管轴向压缩加载过程进行监测和记录,对压缩过程中的累积事件计数、能量、峰值频率和幅值等声发射特征参数进行了分析,结合压缩载荷曲线,研究了碳纤维复合材料圆管在轴向压缩载荷下的损伤过程和破坏模式。结果表明,声发射的典型特征参数可以与时间-载荷曲线的变化规律较好地对应,声发射信号的变化能反映不同破坏阶段的损伤形式以及不同种类试样的破坏特征,对于研究碳纤维复合材料圆管的轴向压缩性能具有参考价值。

关键词: 复合材料圆管, 轴向压缩, 声发射(AE)

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)

中图分类号:

TB332

李倩倩, 张加顺, 脱晓庆, 高彦涛, 李炜. 基于AE的碳纤维复合材料圆管轴向压缩性能研究[J]. 复合材料科学与工程, 2021, 0(7): 76-83.

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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基于AE的碳纤维复合材料圆管轴向压缩性能研究

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

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