Molding Process
8 görüntüleme
EMA surface stress whitening
Sorun Belirtisi
Stress whitening appears on the surface of stressed areas of EMA products, affecting appearance and strength
Neden Analizi
Under local stress, EMA molecular orientation causes refractive index differences and whitening; areas of internal stress concentration in the product
Çözüm
1) Reduce injection speed to reduce orientation stress; 2) Annealing treatment at 80°C/2h to release stress; 3) Product design avoids stress-concentrating sharp corners
Temel Çıkarım
Stress whitening is caused by orientation and internal stress; reducing orientation and annealing are key
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