Extrusion & Post
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CEF internal delamination cracking
Fenómeno do problema
The CEF product delaminates internally and cracks along the interface
Análise das causas
The interface adhesion between CEF and incompatible fillers or blending components is poor; the cooling shrinkage difference causes interlayer stress
Solução
1) Use a compatibilizer to improve the interface adhesion; 2) Uniform cooling to reduce interlayer stress; 3) Reduce the amount of incompatible components added
Conclusão principal
Internal delamination is caused by poor interface and shrinkage differences; compatibilizer and uniform cooling are the key
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