Molding Process
4 조회수
POM has excellent creep resistance but is notch sensitive
문제 현상
Although POM is creep resistant, its notched impact strength is low.
원인 분석
POM has regular molecular chains and high crystallinity, but the stress concentration effect at notches is obvious and the impact is low.
해결 방법
Avoid sharp corners and notches in design; fillet transitions; use toughened POM grades.
핵심 요약
POM notch sensitivity is a design safety factor requirement.
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