Method for refining microstructures of prealloyed titanium powde

Details Method for refining microstructures of prealloyed titanium powde Method for refining microstructures of prealloyed titanium powde

1987-12-04

1989-05-23

Roy, Upendra

Metal treatment

Compositions

Heat treating

148133, C22F 118

Patent

active

048327603

ABSTRACT:
A method for improving the microstructure of prealloyed titanium alloy compacted articles which comprises the steps of hydrogenating the article at a temperature of about 780.degree. to 1020.degree. C. to a hydrogen level of about 0.50 to 1.50 weight percent, cooling the thus-hydrogenated article to room temperature at a controlled rate, heating the thus-cooled, hydrogenated article to a temperature of about 650.degree. to 750.degree. C. and applying a vacuum to dehydrogenate the article.

REFERENCES:
patent: 4534808 (1985-08-01), Eylon et al.
patent: 4536234 (1985-08-01), Eylon et al.
patent: 4680063 (1987-07-01), Vogt et al.
Kerr et al. in Titanium '80, ed. Kimura et al. Met.Soc.Aime, Warrendale, PA, 1980, pp. 2477-2486.

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