Nonlinear Behavior of Plain Woven G. F. R. P. Under Repeated Biaxial Tension/Torsion Loading

[+] Author and Article Information
S. Amijima, T. Fujii

Department of Mechanical Engineering, Doshisha University, Kyoto, Japan

T. Sagami

Sekisui Plastic Company, Ltd., Ibaraki, Japan

J. Energy Resour. Technol 113(4), 235-240 (Dec 01, 1991) (6 pages) doi:10.1115/1.2905906 History: Received November 01, 1989; Revised July 25, 1991; Online April 16, 2008


Fatigue tests on a plain woven glass composite at room temperature under biaxial (tension/torsion) loading were conducted. Nonlinear stress-strain (S-S) response especially in shear, was found and focused. Under pulsating shear stress loading, the S-S relation during loading periods became linear just before final failure, while the unloading S-S curve kept its nonlinear relation. According to the cyclic stress profile, the S-S curve was much affected and changed. It was found that preferential cracks due to the shear stress component occurred and might affect the fatigue failure as well as the nonlinear stress-strain response.

Copyright © 1991 by The American Society of Mechanical Engineers
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