Process for the production of a metallic denture

Details Process for the production of a metallic denture Process for the production of a metallic denture

1986-04-04

1987-08-25

Lechert, Jr., Stephen J.

Powder metallurgy processes

Powder metallurgy processes with heating or sintering

Powder shape or size characteristics

291606, 75232, 75235, 106 35, 264 16, 264 17, 427 2, 419 19, 419 32, 419 36, 428552, B22F 100

Patent

active

046891978

ABSTRACT:
A denture with a metallic microstructure and with low shrinkage and porosity is produced by metallurgical sintering by providing a multimodal size distribution of coarse and fine fractions of metal powder, optionally also with glass or ceramic powder, converting this powder mixture with water into a slip, modelling the denture with this, and sintering the slip at a temperature which exceeds the solidus temperature of at least one component of the powder mixture.

REFERENCES:
patent: Re29093 (1976-12-01), Burns
patent: 3933961 (1976-01-01), Burns
patent: 4277283 (1981-07-01), Tobioka et al.
patent: 4431449 (1984-02-01), Dillon et al.
patent: 4434211 (1984-02-01), Shoher et al.

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