Thermomechanical processing of rapidly solidified high temperatu

Details Thermomechanical processing of rapidly solidified high temperatu Thermomechanical processing of rapidly solidified high temperatu

1988-04-15

1989-09-26

Lechert, Jr., Stephen J.

Specialized metallurgical processes, compositions for use therei

Compositions

Consolidated metal powder compositions

419 67, 419 69, B22F 100

Patent

active

048697516

ABSTRACT:
A dispersion strengthened, non-heat treatable aluminum base alloy is formed into useful shapes by compacting under vacuum a powder composed of particles produced by rapid solidification of the alloy to obtain a compacted billet; forming said billet into rolling stock at a temperature ranging from incipient forming temperature to about 500.degree. C.; and rolling the stock to reduce the thickness thereof by subjecting the stock to at least one rolling pass, the stock having a percent thickness per pass ranging up to about 25 percent and a stock temperature ranging from about 230.degree. C. to about 500.degree. C.

REFERENCES:
patent: 4765959 (1988-08-01), Das et al.
patent: 4770848 (1988-09-01), Ghosh

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