Metal sulfide body method

Details Metal sulfide body method Metal sulfide body method

1990-03-19

1992-04-28

Derrington, James

Plastic and nonmetallic article shaping or treating: processes

Including step of generating heat by friction

264 56, 264 62, 501 12, C04B 3564

Patent

active

051086743

ABSTRACT:
A method of employing soot casting technology in the production of sintered, metal sulfide, monolithic bodies, such as zinc sulfide bodies, is disclosed. The method comprises forming a colloidal dispersion from submicron particles of the metal sulfide, gelling the colloidal dispersion, drying and sintering the gel. By sintering in either a sulfidizing or reducing atmosphere, atomic vacancies are created which render the material non-stoichiometric and lead to a dense, sintered body.

REFERENCES:
patent: 2732313 (1956-01-01), Cusano
patent: 3024381 (1962-03-01), Dalton
patent: 3131238 (1964-04-01), Carnall
patent: 4429051 (1984-01-01), Davidge
patent: 4541855 (1985-09-01), Scherer
patent: 4561872 (1985-12-01), Luong
patent: 4574063 (1986-03-01), Scherer
patent: 4595545 (1986-06-01), Sane
Sakka, Gel Method for Making Glass, Treatise on Materials Science and Technology, vol. 22, pp. 129-167.

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