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Fatigue Behavior Analysis of Plastic Parts
Technical Paper
2007-08-0558
Sector:
Event:
JSAE Autumn Conference
Language:
Japanese
Abstract
Fatigue failure life of HDPE, which is one of polymeric materials for automotive use, was analyzed in this work. From fatigue tests of normal and two-step loading, fatigue life of HDPE showed strong dependence on loading history. To prove this hypothesis, new damage value defined by viscoelastic properties of HDPE was proposed. As a result, this damage value turned out to be effective in prediction of fatigue life of HDPE.