Molding Process
2 مشاهدة
Surface Stress Whitening of CMC
ظاهرة المشكلة
Surface stress whitening in stressed areas of CMC products affects appearance and strength
تحليل الأسباب
Under local stress, CMC molecular orientation causes refractive index differences and whitening; areas of internal stress concentration in the product
الحل
1)Reduce 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
الخلاصة الأساسية
Stress whitening is caused by orientation and internal stress; reducing orientation and annealing are the key
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