Method of producing shaped metallic parts

Details Method of producing shaped metallic parts Method of producing shaped metallic parts

1978-06-21

1979-09-18

Rutledge, L. Dewayne

Metal treatment

Compositions

Heat treating

148 4, 148 131, 148 32, 148127, 164 61, B22D 2720, C22F 100

Patent

active

041681827

ABSTRACT:
A shaped metal base component is formed, such as by casting or forging. The component is then thinly coated with a material, such as a ceramic material, having a higher melting point than the material of the shaped component. The coated component is then heated under zero gravity conditions up to a temperature which is below the melting point of the coating, but which is high enough to soften the component, the coating maintaining the shape of the component during the heating step. After completion of the heating step, the coated component is cooled under zero gravity conditions. The forming and coating of the component take place on earth, and the steps of heating and cooling the coated component are performed in space. After cooling the coated component, the coating is either stripped off the component or left on the component to form an integral part of the shaped body.

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patent: 3113376 (1963-12-01), Pflumm et al.
patent: 3130089 (1964-04-01), Mellinger
patent: 3248764 (1966-05-01), Chandley
patent: 3283377 (1966-11-01), Chandley
patent: 3529958 (1970-09-01), Buehler
patent: 3592628 (1971-07-01), Wuensches
patent: 3699623 (1972-10-01), Kreider
patent: 3741821 (1973-06-01), Athey et al.
patent: 3758347 (1973-09-01), Stalker
patent: 3848307 (1974-11-01), Kydd
Engineering, Oct. 1974, pp. 816-819.
Proceedings Third Space Processing Symposium--Skylab Results, vol. II, Apr. 30-May 1, 1974, NASA, Jun. 1974, pp. 939-945.
Engineering, Nov. 1973, pp. 810-813.
J. Vac. Sic. Technology, vol. 11, No. 6, Nov./Dec. 1974, pp. 1114-1116 & 1119.
J. Electrochem. Soc., Feb. 1975, pp. 276-283.

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