Method of producing copper alloys with manganese and selenium to

Details Method of producing copper alloys with manganese and selenium to Method of producing copper alloys with manganese and selenium to

1991-08-12

1993-06-01

Walsh, Donald P.

Specialized metallurgical processes, compositions for use therei

Processes

Producing or purifying free metal powder or producing or...

75333, 75334, 75338, 420493, 148403, C22C 905

Patent

active

H00011932

ABSTRACT:
This invention describes a process for producing copper alloys by rapid sdification in order to improve their strength and thermal stability after being exposed to elevated temperatures. The method used to rapidly solidify the molten alloy is either by use of a high pressure non-oxidizing gas spray to atomize the molten alloy into a powder or to pour the molten alloy onto a rotating wheel to form a ribbon which is then attrited into powder. The powder is canned, compacted to full density and cold worked to the desired shape.

REFERENCES:
patent: 4059437 (1977-11-01), Nesslage et al.
patent: 4900355 (1990-02-01), Tanno et al.
Metals Handbook, 9th Ed, vol. 7; "Atomization", pp. 25-51.

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