Free machining Cu-Ni-Sn alloys

Details Free machining Cu-Ni-Sn alloys Free machining Cu-Ni-Sn alloys

1977-12-30

1978-12-19

Stallard, W.

Specialized metallurgical processes, compositions for use therei

Processes

Free metal or alloy reductant contains magnesium

75159, 148 127C, 148 32, 148 325, C22C 906

Patent

active

041304217

ABSTRACT:
Cu-Ni-Sn alloys are disclosed which are particularly suited to undergo shaping by machining such as drilling, and lathing. In addition to Cu, Ni, and Sn, these alloys contain specified small amounts of Te, Se, Pb, or MnS. When articles are formed by machining of alloys having such specified composition, clogging of the machining tool and overheating of workpiece and machining tool are effectively prevented.

REFERENCES:
patent: 1816509 (1931-07-01), Wise
patent: 2117106 (1938-05-01), Silliman
patent: 3940290 (1976-02-01), Pryor et al.
patent: 4012240 (1977-03-01), Hinrichsen et al.
patent: 4046596 (1977-09-01), Metcalfe et al.

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