Effect of Twisted Fiber on Flexural Property and Microstructure of Woven Fabric Reinforced Composite

被引：7

作者：

Du Jianhua ^{[1
]}

Zhao Xiaolin ^{[1
,2
]}

Yang Hongwei ^{[1
]}

Jia Chengchang ^{[2
]}

Gao Heng ^{[3
]}

Wang Dafeng ^{[2
]}

Lu Yingying ^{[2
]}

机构：

[1] Acad Armored Force Engn, Dept Sci Res, Beijing 100072, Peoples R China

[2] Univ Sci & Technol Beijing, Sch Mat Sci & Engn, Beijing 100083, Peoples R China

[3] Nanjing Artillery Acad, Dept Self Propelled Gun, Nanjing 211132, Jiangsu, Peoples R China

来源：

JOURNAL OF WUHAN UNIVERSITY OF TECHNOLOGY-MATERIALS SCIENCE EDITION | 2017年 / 32卷 / 04期

基金：

中国国家自然科学基金;

关键词：

deep straight-joint; woven fabric; twisted fiber; flexural property; MECHANICAL-BEHAVIOR; BENDING FATIGUE; JOINT;

D O I：

10.1007/s11595-017-1669-8

中图分类号：

T [工业技术];

学科分类号：

08 ;

摘要：

Two kinds of 2.5D deep straight-joint structure ultra-high molecular weight polyethylene (UHMWPE) (twisted and original) fibers woven fabric reinforced epoxy resin composites were prepared by the hand lay-up method. Subsequently, the flexural property, microstructures, and failure mechanisms of the composites were also investigated. The average flexural strength of 2.5D deep bend-joint structure twisted fiber and original fiber woven fabric composites were 176.66 MPa and 204.45 MPa, respectively. The results of the characteristics indicated that the twist was the main factor which affected the flexural performance. Flexural property vitally relied on the strength of the fiber itself. Twist decreased the strength of the yarns, which meant that when the mechanical property of woven fabric reinforced composites was improved, the yarns must be kept straight in the woven fabric. The study are extremely valuable to guide the improvement of the mechanical property of the woven fabric reinforced composites.

引用

页码：791 / 794

页数：4

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