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Behavior of 3-D orthogonally woven composites under tensile loading

DSpace at IIT Bombay

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Title Behavior of 3-D orthogonally woven composites under tensile loading
 
Creator NAIK, NK
THURUTHIMATTAM, BJ
 
Subject textile structural composites
failure behavior
binary model
three-dimensional composite
orthogonally woven
3-d woven fabric-composite strength model
volume averaging
elastic properties
failure strength
prediction
 
Description A three-dimensional woven fabric composite strength model is presented for predicting the failure behavior of three-dimensional orthogonally woven composites under on-axis, uniaxial, static tensile loading. The representative unit cell is discretized into sections and elements. The method predicts the stress levels at which secondary failures take place at element level. The effect of secondary failure is considered for further analysis, and the ultimate tensile-failure strength and failure strain are predicted. It is observed that for the same fiber volume fractions, 3-D orthogonally woven composites show a significant increase in through-the-thickness properties without a comparable reduction in in-plane properties. It is found that the assumed cross-sectional geometry of the strand with the same overall fiber volume fraction does not make a significant difference to the elastic and strength properties, and hence a square cross-section can be considered.
 
Publisher AMER SOC TESTING MATERIALS
 
Date 2011-07-17T07:31:56Z
2011-12-26T12:50:11Z
2011-12-27T05:36:15Z
2011-07-17T07:31:56Z
2011-12-26T12:50:11Z
2011-12-27T05:36:15Z
1999
 
Type Article
 
Identifier JOURNAL OF COMPOSITES TECHNOLOGY & RESEARCH, 21(3), 153-163
0884-6804
http://dspace.library.iitb.ac.in/xmlui/handle/10054/4656
http://hdl.handle.net/10054/4656
 
Language en