The semi-solid processing (SSP) of AZ91D magnesium alloy was studied. The semi-solid feedstock was prepared with hot extrusion of cast billet. The slug cut from the extruded bar was partially remelted on 6-stationed medium frequency induction heating equipment. Thixocasting was carried out with a conventional 2500 kN cold chamber diecasting machine to get connecting rod of air compressor for motor car. The microstructural evolution during hot-extrusion, reheating and semi-solid diecasting and its effect on the quality of formed part were investigated. The mechanism of liquid formation during reheating was also discussed.
Extrusion, reheating and thixocasting for AZ91D alloy
Extrudieren, Wiedererwärmen und Thixogießen der Magnesiumlegierung AZ91D
Rare Metals ; 21 , SUPPL. ; 49-53
2002
5 Seiten
Aufsatz (Zeitschrift)
Englisch
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