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EFFECT OF TEMPERATURE ON THE CONTACT STRESSES AND RESIDUAL BEARING STRENGTH OF PIN-LOADED COMPOSITE LAMINATES

 

作者: Wen-Hsiang Chen,   Ya-Jung Lee,  

 

期刊: Journal of Thermal Stresses  (Taylor Available online 1992)
卷期: Volume 15, issue 3  

页码: 419-437

 

ISSN:0149-5739

 

年代: 1992

 

DOI:10.1080/01495739208946147

 

出版商: Taylor & Francis Group

 

数据来源: Taylor

 

摘要:

Contact stresses and residual bearing strength of pin-loaded composite laminates at different temperatures are investigated. An incremental finite element code, based on the updated Lagrangian approach, was developed for determining the contact stresses near a pin-loaded hole in composite laminates under combined thermal and mechanical loadings. Based on the progressive damage model, the quadratic strength theory combined with a proposed failure simulation are adopted for failure predictions. In the stress and strength analyses, mechanical properties of the laminates are assumed to be temperature dependent. Numerical results include the distributions of initial (thermal) as well as total contact stress around the pin-loaded hole, residual bearing strength, and failure mode for a single-fastener clearance-fit joint with an elastic pin. The bearing strain model test has been performed at elevated temperature for the verification of present calculations.

 

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