Influence of Air Cooling on the Fatigue of a Polymer Composite Under Self-Heating

被引：0
|
作者：
A. Katunin
D. Wachla
机构：
[1] Silesian University of Technology,Institute of Fundamentals of Machinery Design
来源：
Mechanics of Composite Materials | 2020年 / 56卷
关键词：
fatigue of composites; self-heating effect; air cooling; infrared thermography; acoustic emission;
D O I：
暂无
中图分类号：
学科分类号：
摘要：
The self-heating effect occurs during cyclic loadings or vibrations of composite elements, which may significantly intensify their structural degradation due to a rapid temperature increase. For minimizing this influence, the air cooling can be used. In this study, the influence of air cooling on the fatigue and residual life of a cyclically loaded structure was investigated by analyzing the self-heating temperature history and using acoustic emission. A phenomenological model of self-heating of a composite structure during air cooling is presented and discussed, with identification of possible scenarios of self-heating temperature evolution. The theoretical studies were verified experimentally, and results showed that, by removing the heat generated, the durability of a structure undergoing self-heating can be increased significantly.
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页码：93 / 102
页数：9
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