Paper Title:
Effects of Stress Frequency and Stress Ratio on the Fatigue of Glass/Epoxy Composite Materials
  Abstract

Composite materials using polymer resins as matrices have viscoelastic behavior. This behavior has effects on the fatigue properties of composite materials. Therefore, one can accelerate the fatigue testing if the loading frequency or temperature is changed. The purpose of this work is to investigate the accelerated fatigue properties of glass/fiber composites. In order to establish the accelerated fatigue properties of glass/epoxy composites, the fatigue testing of unidirectional specimens with different angles is conducted at room temperature under different stresses, stress frequencies, and stress ratios. The results indicate that the fatigue life increases with the increasing of stress frequency or stress ratio for the three types of unidirectional specimens. The reasons for these increasing effects are also discussed.

  Info
Periodical
Key Engineering Materials (Volumes 326-328)
Edited by
Soon-Bok Lee and Yun-Jae Kim
Pages
1031-1034
DOI
10.4028/www.scientific.net/KEM.326-328.1031
Citation
S. F. Hwang, Y. D. Su, "Effects of Stress Frequency and Stress Ratio on the Fatigue of Glass/Epoxy Composite Materials", Key Engineering Materials, Vols. 326-328, pp. 1031-1034, 2006
Online since
December 2006
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Price
$32.00
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