Removal method of glass adhered to sintered object during hot is

Details Removal method of glass adhered to sintered object during hot is Removal method of glass adhered to sintered object during hot is

1992-03-04

1993-11-09

Powell, William A.

Adhesive bonding and miscellaneous chemical manufacture

Delaminating processes adapted for specified product

Delaminating in preparation for post processing recycling step

156657, 156663, 252 795, B44C 122, C03C 1500, C03C 2506

Patent

active

052599213

ABSTRACT:
Method of removing a layer of glass formed on a sintered body which is manufactured by hot isostatic pressing of a preformed body of inorganic powder (e.g., silicon nitride powder and silicon carbide powder) in a pressure medium at a sintering temperature, wherein the sintered body of inorganic powder is retained in alkali solution at a high temperature for a predetermined time, preferably under a predetermined pressure.

REFERENCES:
patent: 4568516 (1986-02-01), Adlerborn et al.
patent: 4842840 (1989-06-01), Azuma et al.
patent: 4853204 (1989-08-01), Azuma et al.

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