Effects of assumed tow architecture on the predicted moduli and stresses in woven composites /

This study deals with the effect of assumed tow architecture on the elastic material properties and stress distributions of plain weave woven composites. Specifically, the examination of how a cross-section is assumed to sweep-out the tows of the composite is examined in great detail. The two meth...

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Bibliographic Details
Main Author: Chapman, Clinton Dane
Format: Thesis eBook
Language:English
Published: [Place of publication not identified] : [publisher not identified] ; 1993.
Subjects:
Online Access:Link to OAKTrust copy

MARC

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099 |a 1993  |a Thesis  |a C466 
100 1 |a Chapman, Clinton Dane. 
245 1 0 |a Effects of assumed tow architecture on the predicted moduli and stresses in woven composites /  |c by Clinton Dane Chapman. 
264 1 |a [Place of publication not identified] :  |b [publisher not identified] ;  |c 1993. 
300 |a xii, 135 leaves :  |b illustrations ;  |c 28 cm. 
336 |a text  |b txt  |2 rdacontent 
337 |a computer  |b c  |2 rdamedia 
338 |a online resource  |b cr  |2 rdacarrier 
500 |a "Major subject: Aerospace Engineering". 
500 |a Vita. 
502 |b M.S.  |c Texas A&M University  |d 1993. 
504 |a Includes bibliographical references. 
520 |a This study deals with the effect of assumed tow architecture on the elastic material properties and stress distributions of plain weave woven composites. Specifically, the examination of how a cross-section is assumed to sweep-out the tows of the composite is examined in great detail. The two methods studied are extrusion and translation. This effect is also examined to determine how sensitive this assumption is to changes in waviness ratio. 3D finite elements were used to study a T300/Epoxy plain weave composite with symmetrically stacked mats. 1/32nd of the unit cell is shown to be adequate for analysis of this type of configuration with the appropriate set of boundary conditions. At low waviness, results indicate that for prediction of elastic properties, either method is adequate. At high waviness, certain elastic properties become more sensitive to the method used. Stress distributions at high waviness ratio are shown to vary greatly depending on the type of loading applied. At low waviness, both methods produce similar results. 
530 |a Also available online. 
650 4 |a Major aerospace engineering. 
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