Title:
POROUS REFRACTORY BODIES
Document Type and Number:
Japanese Patent JPS5215507
Kind Code:
A
Abstract:
A porous refractory body is formed by bonding Si2ON2 grain or other suitable refractory grain with fine crystals of Si2ON2 formed in situ by firing a shaped body under nitridation conditions. The body has an open pore structure, is resistant to the constituents of an aluminum chloride electrolysis cell and has good structural strength.
Inventors:
MARUKON EDOWAADO WATSUSHIYUBAA
Application Number:
JP8771776A
Publication Date:
February 05, 1977
Filing Date:
July 22, 1976
Export Citation:
Assignee:
NORTON CO
International Classes:
B22D1/00; C04B35/58; C04B38/00; C04B35/591; C22B21/06; (IPC1-7): C04B21/00; C04B35/58