Method of hot consolidating powder with a recyclable container m

Details Method of hot consolidating powder with a recyclable container m Method of hot consolidating powder with a recyclable container m

1980-07-30

1982-07-27

Hunt, Brooks H.

Specialized metallurgical processes, compositions for use therei

Compositions

Consolidated metal powder compositions

75226, 264111, 264125, B22F 300

Patent

active

043415571

ABSTRACT:
A method for hot consolidating powder of metallic and nonmetallic composition to form a densified powder article by forming a container of a material which melts at a combination of temperature and time at that temperature which combination would not adversely affect the desired microstructure and physical properties of the densified powder article and applying heat and pressure to the exterior of the container to compact and densify the powder within the cavity at a temperature below the melting point of the container and thereafter melting the container into molten metal to remove the container from the densified powder article while maintaining the temperature of the article below the incipient melting temperature of the article. Thereafter, the material from the melted container may be recycled to form a new container.

REFERENCES:
patent: 3622313 (1971-11-01), Havel
patent: 3866303 (1975-02-01), Chehi
patent: 3907949 (1975-09-01), Carlson
patent: 3982937 (1976-09-01), Wentzell
patent: 4023966 (1977-05-01), Loersch et al.
patent: 4081272 (1978-03-01), Adlerborn
patent: 4094709 (1978-06-01), Rozmus
patent: 4142888 (1979-03-01), Rozmus

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