Copper alloys having improved softening resistance and a method

Details Copper alloys having improved softening resistance and a method Copper alloys having improved softening resistance and a method

1989-07-26

1991-05-21

Morris, Theodore

Metal treatment

Stock

Age or precipitation hardened or strengthened

148412, 148432, 148433, 148436, C22C 900

Patent

active

050172506

ABSTRACT:
A method for the manufacture of copper base alloys having improved resistance to thermally induced softening is provided. The alloy composition is selected so that the alloy undergoes either a peritectic or eutectic transformation during cooling. The solidification rate is controlled so that the second phase forms as a uniform dispersion of a relatively small dispersoid. The dispersoid inhibits recrystallization resulting in an alloy less susceptible to softening at elevated temperatures.

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