Production & Quality
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CEF surface micro-cracks
Problem Phenomenon
Micro-cracks of 0.05-0.2mm appear on the surface of the CEF product, affecting the appearance and strength
Cause Analysis
The internal stress of the CEF product is too large, exceeding the yield stress of the material; environmental stress cracking; stress concentration in the product design
Solution
1) Annealing treatment to release internal stress; 2) Product design to avoid sharp corners and stress concentration; 3) Select high-molecular-weight CEF to improve crack resistance
Key Takeaway
Micro-cracks are caused by excessive internal stress; annealing and crack-resistant design are the key
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