Method for controlling properties of powdered metals and alloys
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United States of America Patent
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Nov 20, 1984
Issued Date -
N/A
app pub date -
Dec 27, 1983
filing date -
Dec 20, 1982
priority date (Note) -
Expired
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Abstract
A method for increasing strength and/or hardness of a sintered powder metal specimen containing tungsten by cold working is disclosed. Compressive force is applied to the specimen slowly so that the yield strength of the specimen progressively increases and the specimen exhibits squirming instability as its diameter increases.
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