Molds & Tooling
5 görüntüleme
CEF fatigue resistance poor
Sorun Belirtisi
The fatigue life of the CEF product is <10⁴ cycles, lower than the 10⁵ cycles requirement
Neden Analizi
The elastic recovery of CEF is insufficient and plastic deformation accumulates in each cycle; the crosslinking degree is low and the fatigue crack propagates fast
Çözüm
1) Increase the crosslinking degree to improve recovery and reduce accumulated deformation; 2) Select high-molecular-weight grades to increase 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 the key
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