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Stress Analysis in Single and Multi Fastened Single-Lap Composite Joints

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Abstract:

The use of composite materials in many engineering structures has increased recently. The structures are jointed together by single or multiple bolted mechanical fastening to transfer the loads from one member to another. Applications of such joints require adequate knowledge of stress distribution in the vicinity of the boundary of pin hole. In this study, stress analysis is conducted with finite element method to study the stress distributions in the vicinities of both single-pin and multi-pin loaded holes of multi-axial warp knit fabric composite laminates. The perfect fit condition and contact with friction between the pin and hole without lateral constrain are assumed in the analysis. Effects of friction, stacking sequence, ratio of edge distance over hole diameter, ratio of width over hole diameter, number of pins, number of rows, number of column and hole patterns are evaluated. The results show they have a significant influence on joint performance.

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Periodical:

Key Engineering Materials (Volumes 306-308)

Pages:

823-828

DOI:

https://doi.org/10.4028/www.scientific.net/KEM.306-308.823

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Online since:

March 2006

Authors:

Heoung Jae Chun, J.M. Choi, Joon Hyung Byun

Keywords:

Finite Element Analysis (FEA), Mechanical Fastening, Multi-Axial Warp Knitted Fabric Composites, Stress Distribution

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© 2006 Trans Tech Publications Ltd. All Rights Reserved

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