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

1990-10-22

1991-08-13

Dean, H.

Alloys or metallic compositions

Copper base

75331, 420492, 420494, 420495, 420496, 420590, C22C 500, C22C 100

Patent

active

050394789

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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