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ASTM Selected Technical Papers
Composite Reliability
By
EM Wu
EM Wu
1
Washington University
,
St. Louis, Mo. 63130
;
symposium chairman
.
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ISBN-10:
0-8031-0309-3
ISBN:
978-0-8031-0309-2
No. of Pages:
646
Publisher:
ASTM International
Publication date:
1975

Results are presented for an analytical investigation of the creep response of laminated composites. This analysis relates the creep response of the composite to the fiber-matrix creep properties. First, the method of predicting the biaxial creep response of a unidirectional composite is described and some qualitative results given. Some interesting effects are the time dependence of the coefficients of thermal expansion of the composite and the pseudo-primary creep stage in a composite whose constituents only exhibit secondary creep. The analysis is then extended to symmetric laminates and the creep response of boron-epoxy and boron-aluminum composites are investigated.

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