Production & Quality
11 조회수
Poor EAA fatigue resistance
문제 현상
EAA product fatigue life <10⁴ cycles below the 10⁵ cycle requirement
원인 분석
EAA elastic recovery insufficient, plastic deformation accumulating with each cycle; crosslinking degree too low, fatigue crack propagation fast
해결 방법
1) Increase crosslinking degree to improve recovery and reduce accumulated deformation; 2) Select high molecular weight grade to raise the fatigue threshold; 3) Product design to reduce stress concentration
핵심 요약
Poor fatigue resistance is caused by insufficient recovery and fast crack propagation; increasing crosslinking is key
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