Method for hot isostatic pressing a ceramic article

Details Method for hot isostatic pressing a ceramic article Method for hot isostatic pressing a ceramic article

1990-05-04

1991-10-22

Silbaugh, Jan H.

Superconductor technology: apparatus, material, process

High temperature , per se

Having tc greater than or equal to 150 k

264 56, 264 65, 505739, H01L 3912, B29C 4310

Patent

active

050595849

ABSTRACT:
A method for treating a ceramic article by hot isostatic pressing provides for the placement of the ceramic article in a capsule with an oxygen donor which is separated from the ceramic article by an oxygen permeable barrier such as silica cloth. The silica cloth barrier allows oxygen to flow from the donor through the barrier and surround the ceramic article. The capsule containing the ceramic article and oxygen donor are then subjected to a high temperature gas at high pressure in order to collapse the capsule around the ceramic article to compact it without substantially reducing its oxygen content.

REFERENCES:
patent: 4929596 (1990-05-01), Meyer et al.
Tien et al., ". . . (Hip) for the Densification of Oxide Superconductors", atls. Res. Soc. Extended Abstracts, Apr. 5-9, 1988.

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