Method for producing high strength Cu-Ni-Sn alloy containing man

Details Method for producing high strength Cu-Ni-Sn alloy containing man Method for producing high strength Cu-Ni-Sn alloy containing man

1989-11-15

1991-05-28

Roy, Upendra

Metal treatment

Compositions

Heat treating

148 115C, 420488, 420492, C22C 902, C21D 100

Patent

active

050191853

ABSTRACT:
A high strength Cu-Ni-Sn alloy, comprising 3-25% Ni, 3-9% Sn, 0.05-1.5% Mn, balance Cu, is heated to a temperature of 800.degree. C. or above in a single-phase region. This heat treatment is followed by quenching and subsequent heating at a temperature range of 600.degree.-770.degree. C. in a two-phase region, followed by quenching and a finishing process with a ratio of 0-60%. Thereafter, the processed alloy is subjected to a final heat-treatment at a temperature of 350.degree.-500.degree. C.

REFERENCES:
patent: 4012240 (1977-03-01), Hinrichsen et al.
patent: 4052204 (1977-10-01), Plewes
patent: 4142918 (1979-03-01), Plewes
patent: 4194928 (1980-03-01), Popplewell et al.
patent: 4601879 (1986-07-01), Duerrschnabel et al.
patent: 4732625 (1988-03-01), Livak

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