Molds & Tooling
5 görüntüleme
Poor Fatigue Resistance of CMC
Sorun Belirtisi
Fatigue life of CMC products <10⁴ cycles, lower than the 10⁵ cycles requirement
Neden Analizi
CMC elastic recovery is insufficient and plastic deformation accumulates each cycle; crosslinking degree is low and fatigue crack propagates fast
Çözüm
1)Increase crosslinking degree to improve recovery and reduce accumulated deformation; 2)Select high-molecular-weight grade to increase 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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