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Optimization Of Chemistry And Process Parameters For Control Of Intermetallic Formation In Mg Sludges, Yintian Fu
Optimization Of Chemistry And Process Parameters For Control Of Intermetallic Formation In Mg Sludges, Yintian Fu
Electronic Theses and Dissertations
Intermetallic formation in sludge during magnesium (Mg) melting, holding and high pressure die casting practices is a very important issue. But, very often it is overlooked by academia, original equipment manufacturers (OEM), metal ingot producers and even die casters. The aim of this study was to minimize the intermetallic formation in Mg sludge via the optimization of the chemistry and process parameters. Through the analyses of the commercial sludges, it was found that AZ91D recycling ingot sludge, and AZ91D, AM60B and AE44 die casting sludge contained intermetallic of 2.77wt.%, 10.33wt.%, 34.07wt.% and 44.81 wt.%, respectively. The Al8Mn5 intermetallic particles were …