Abstract
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.
| Translated title of the contribution | Bearing Strength of Carbon / Carbon Braided Composites Double Shear Joint |
|---|---|
| Original language | Chinese (Traditional) |
| Pages (from-to) | 51-60 |
| Number of pages | 10 |
| Journal | Jixie Gongcheng Xuebao/Chinese Journal of Mechanical Engineering |
| Volume | 56 |
| Issue number | 18 |
| DOIs | |
| State | Published - 20 Sep 2020 |
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