Molding Process
7 조회수
CEF surface stress whitening
문제 현상
The surface of the stressed area of the CEF product shows stress whitening, affecting the appearance and strength
원인 분석
The molecular orientation of CEF under local stress causes refractive index differences and whitening; the internal stress concentration area of the product
해결 방법
1) Reduce the injection speed to reduce orientation stress; 2) Annealing treatment at 80°C/2h to release stress; 3) Product design to avoid stress concentration sharp corners
핵심 요약
Stress whitening is caused by orientation and internal stress; reducing orientation and annealing are the key
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