Copper-bismuth casting alloys

Details Copper-bismuth casting alloys Copper-bismuth casting alloys

1994-02-14

1996-01-30

Lacey, David L.

Alloys or metallic compositions

Copper base

Tin containing

420473, 420479, 420480, 420486, 148412, 148413, 148414, 148433, 148434, 148435, C22C 902, C22C 904

Patent

active

054878675

ABSTRACT:
A copper based casting alloy in which lead is replaced by 0.1 to 7 wt % bismuth and 0.1 to 2 wt % mischmetal or its rare earth equivalent is used to improve the distribution of bismuth in the alloy. The alloy is further defined by additions of tin, zinc, nickel, manganese, silicon, aluminum, iron and/or antimony.

REFERENCES:
patent: 4708739 (1987-11-01), Kellie et al.
patent: 4879094 (1989-11-01), Rushton
patent: 4879096 (1989-11-01), Naton
patent: 4929423 (1990-05-01), Tucker et al.
patent: 5102748 (1992-04-01), Wylam et al.
patent: 5118341 (1992-06-01), Daver et al.
patent: 5137685 (1992-11-01), McDevitt et al.
patent: 5167726 (1992-12-01), LoIacono et al.

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