Experimental study on the torsion behavior of a 3D 4-directionally braided composite shaft using DIC and AE

被引:22
|
作者
Zhao, Guoqi [1 ]
Zhang, Lu [1 ]
Tang, Can [1 ]
Zhou, Yexin [1 ]
Hao, Wenfeng [1 ]
Luo, Ying [1 ]
机构
[1] Jiangsu Univ, Fac Civil Engn & Mech, Zhenjiang 212013, Jiangsu, Peoples R China
基金
中国国家自然科学基金; 中国博士后科学基金;
关键词
Torsion behavior; 3D 4-directional braided composites; Digital image correlation; Acoustic emission; Shaft; ACOUSTIC-EMISSION; BENDING FATIGUE; IMPACT DAMAGE; STRENGTH; STABILITY; VIBRATION; RATIO; BEAM;
D O I
10.1016/j.polymertesting.2018.10.016
中图分类号
TB3 [工程材料学];
学科分类号
0805 ; 080502 ;
摘要
The torsion behavior of a three-dimensional (3D), 4-directional braided composite shaft was investigated using digital image correlation (DIC) and acoustic emission (AE). The 3D, 4-directional braided composite shafts with various braiding angles were prepared using vacuum assisted resin transfer molding (VARTM). The torsion experiments were performed on a static torsion machine. The 3D DIC and AE were used to capture the surface deformations and the acoustic emission characteristics of the shaft. The full-field 3D deformations and the AE characteristics were obtained, and the failure mode and mechanism of the 3D, 4-directional braided composite shaft were analyzed. The results will have an important role in the design and application of 3D, 4-directional braided composite shafts in engineering.
引用
收藏
页码:122 / 131
页数:10
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