Production & Quality
11 조회수
Surface microcracks of EAA
문제 현상
Microcracks of 0.05-0.2mm appear on the surface of EAA products, affecting appearance and strength
원인 분석
The internal stress of EAA products is too large, exceeding the yield stress of the material; environmental stress cracking; stress concentration in product design
해결 방법
1) Annealing treatment to release internal stress; 2) Design the product to avoid sharp corners and stress concentration; 3) Select high molecular weight EAA to improve crack resistance
핵심 요약
Microcracks are caused by excessive internal stress; annealing and crack-resistant design are the key
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