The research status on the mold filling of expendable pattern casting process is reviewed from the aspects of mold filling characteristics,heat and mass transfer.
In this paper the gas gap in the expendable pattern casting process was studied and the relation between the gas gap and collapse defect is discussed.
The characteristics and advantages of expendable pattern casting process with dry sand and vacuum are briefly introduced.
Mould filling of low-pressure expendable pattern casting process for magnesium alloys
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