Extrusion & Post
4 조회수
Surface defects caused by PVDF melt fracture
문제 현상
Periodic irregular wrinkles on the surface of extrusion and injection
원인 분석
The shear stress at the die exit exceeds the critical value, causing elastic instability
해결 방법
Reduce the extrusion speed, raise the die temperature, and increase the gap
핵심 요약
A typical rheological problem in extrusion processing
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