Material Drying
6 مشاهدة
Internal Voids of CMC
ظاهرة المشكلة
Voids of 1-3mm appear inside CMC products, concentrated in the center of thick walls
تحليل الأسباب
Holding is insufficient and the center of the thick wall is not compacted; entrapped gas cannot be discharged; raw material moisture vaporizes
الحل
1)Increase holding pressure 60-80MPa for full compaction; 2)Increase mold venting; 3)Fully dry raw material
الخلاصة الأساسية
Internal voids are caused by insufficient holding and gas entrapment; high-pressure holding and venting are the key
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