Bearing Strength of Carbon / Carbon Braided Composites Double Shear Joint

被引：0
|
作者：
Tang Y. [1 ,2 ]
Chen H. [1 ]
Zhou Z. [2 ]
Zhang Y. [1 ]
Guo Y. [2 ,3 ]
机构：
[1] Tianjin Key Laboratory of Integrated Design and On-line Monitoring for Light Industry& Food Machinery and Equipment, Tianjin University of Science & Technology, Tianjin
[2] Center for Composite Materials and Structures, Harbin Institute of Technology, Harbin
[3] School of Architecture and Civil Engineering, Harbin University of Science and Technology, Harbin
来源：
Jixie Gongcheng Xuebao/Journal of Mechanical Engineering | 2020年 / 56卷 / 18期
关键词：
Bolted joint; Carbon/carbon braided composites; Failure; Finite element analysis; Strength;
D O I：
10.3901/JME.2020.18.051
中图分类号：
学科分类号：
摘要：
A comprehensive experimental and numerical evaluation of carbon/carbon (C/C) composites double-shear bolted joint is presented. The effects of the stacked sequence, bolt hole diameter and bolt-torque in joints are examined. Failure loads and failure modes of C/C composites double-shear configurations subjected to tensile loading are obtained and compared. Failure mechanism is analyzed and discussed. A non-linear contact model is developed using ABAQUS. The bolt-torque is realized by heating gasket. A strain-based Hashin failure model is established using VUMAT subroutine. The model effectively predict the progressive damage, failure mode and bearing strength of the C/C braided composite double-shear bolt joints. Based on the analysis model, the stacked sequence and geometric dimension design reference value of C/C braided composite double-shear bolt joints are given, as well as the failure envelope is given. © 2020 Journal of Mechanical Engineering.
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页码：51 / 60
页数：9
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