期刊
INTERNATIONAL JOURNAL OF FATIGUE
卷 26, 期 9, 页码 941-946出版社
ELSEVIER SCI LTD
DOI: 10.1016/j.ijfatigue.2004.02.003
关键词
mean stress; fatigue strength; creep rupture strength; short E-glass fiber reinforced polyamide-6,6
The effect of mean stress on the fatigue strength of short E-glass fiber reinforced polyamide-6,6 composite has been investigated in this paper. Stress controlled fatigue tests were conducted in the tension-tension cycling mode and the mean stress was varied by varying the ratio of the minimum stress to the maximum stress. Creep was observed during the fatigue process. A modified Gerber equation seems to describe the effect of mean stress on the fatigue strength of this composite. In this modified Gerber equation, creep rupture strength was used along the mean stress axis instead of tensile strength. (C) 2004 Elsevier Ltd. All rights reserved.
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