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Abstract

Macrosegregation in metal alloy castings and other alloys having similar solidification behavior is reduced by slowly rotating a mold or the like containing the liquid alloy about an axis at an acute angle to the vertical from the time the liquid alloy is poured into the mold until substantially all of the alloy has solidified. The mold is rotated at a speed below that which produces a centrifuging effect or causes stirring or agitation of the interdendritic liquid.

Patent Number

4,462,454

Assignee

Michigan Technological University, Houghton, Mich.

Application Number

320,597

Date Filed

11-12-1981

Certificate of Correction

No

Issue Date

7-31-1984

Disciplines

Engineering | Materials Science and Engineering

Method for reducing macrosegregation in alloys

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