Molds & Tooling
5 görüntüleme
MP poor fatigue resistance
Sorun Belirtisi
MP product fatigue life <10⁴ cycles, below the 10⁵ cycles requirement
Neden Analizi
MP elastic recovery insufficient, plastic deformation accumulates each cycle; crosslinking degree low, fatigue crack propagates fast
Çözüm
1) increase crosslinking degree to improve recovery and reduce accumulated deformation; 2) select a high molecular weight grade to raise the fatigue threshold; 3) product design to reduce stress concentration
Temel Çıkarım
poor fatigue resistance is caused by insufficient recovery and fast crack propagation; increasing crosslinking is key
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