Alloys or metallic compositions – Titanium base
Patent
1987-11-16
1990-07-24
Sheehan, John P.
Alloys or metallic compositions
Titanium base
B22F 902, C22C 1400
Patent
active
049433229
ABSTRACT:
A powdered material and a process for producing the material are disclosed. The powdered material consists essentially of titanium based spherical particles which are essentially free of elliptical shaped material and elongated particles having rounded ends. The material has a particle size of less than about 50 micrometers. The process for making the spherical particles involves mechanically reducing the size of a starting material to produce a finer powder which is then entrained in a carrier gas and passed through a high temperature zone above the melting point of the finer powder to melt at least about 50% by weight of the powder and form spherical particles of the melted portion. The powder is then directly solidified.
REFERENCES:
patent: 4264354 (1981-04-01), Cheetham
patent: 4264641 (1981-04-01), Mahoney et al.
patent: 4592781 (1986-06-01), Cheng et al.
patent: 4711660 (1987-12-01), Kemp, Jr. et al.
patent: 4711661 (1987-12-01), Kemp, Jr. et al.
patent: 4731111 (1988-03-01), Konatz et al.
Johnson Walter A.
Kemp, Jr. Preston B.
Castle Donald R.
GTE Products Corporation
Quatrini L. Rita
Schumaker David W.
Sheehan John P.
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