Process for producing high density sintered body

Details Process for producing high density sintered body Process for producing high density sintered body

1989-07-14

1990-06-19

Lechert, Jr., Stephen J.

Powder metallurgy processes

Powder metallurgy processes with heating or sintering

Powder pretreatment

419 9, 419 37, 419 49, 264 60, 264 65, B22F 100

Patent

active

049351990

ABSTRACT:
In a process for producing a sintered body using a gas-impermeable membrane formed by softening of a powder layer provided on the surface of a porous body, a metal polymer selected from polysilanes, polycarbosilanes, polysilazanes and hydrolyzates of metal alkoxides is added as a binder to the powder layer. According to the process of the invention, the gas-impermeable membrane is formed with high reliability, and high density sintered bodies can be obtained in a simple process.

REFERENCES:
patent: 4117056 (1978-09-01), Jones
patent: 4427785 (1984-01-01), Prochazka et al.
patent: 4502983 (1985-03-01), Omori et al.
patent: 4657754 (1987-04-01), Bauer et al.
patent: 4684387 (1987-08-01), Clasen et al.
patent: 4840763 (1989-06-01), Freitag

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