B - Operations – Transporting – 22 – F
Patent
B - Operations, Transporting
22
F
75/167
B22F 3/16 (2006.01) B22F 3/18 (2006.01) C22C 1/04 (2006.01) C22F 1/08 (2006.01)
Patent
CA 1215865
COPPER BASE SPINODAL ALLOY STRIP AND PROCESS FOR ITS PREPARATION Abstract Copper base spinodal alloy strip of good strength and ductility is provided, the alloy containing 5 to 35 percent nickel, 7 to 13 percent tin, balance essentially copper, and having an unaged microstructure charac- terized by an equiaxed grain structure of substantially all alpha, face-centered-cubic phase with a substan- tially uniform dispersed concentration of tin and a substantial absence of tin segregation. The strip is prepared from copper alloy powder of the indicated composition by a process comprising the steps of compaction, sintering, cooling, rolling and annealing. The strip after aging may contain up to about 50 percent alpha plus gamma phase.
415272
Scorey Clive R.
Smith Roy A.
Gowling Lafleur Henderson Llp
Limited Pfizer
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