Title:
UNFIRED BRICK AND ITS PRODUCTION METHOD
Document Type and Number:
Japanese Patent JP2003183083
Kind Code:
A
Abstract:
To provide an unfired SN (sliding nozzle) plate brick high in strength at a temperature of 1,000°C or lower, excellent in volume stability at a high temperature and in resistances to oxidation, wear, corrosion and thermal spalling.
The method for producing this unfired SN plate brick comprises kneading an alumina fine powder which is a base material of the brick by replacing a part thereof with a powdery pitch in an amount of 0.5-5.0 wt.%, or further by replacing with an easily sinterable alumina fine powder having a mean particle size of 1 μm or less in the amount of 1-15 wt.% in addition to the above condition.
Inventors:
SASAKI KIMIAKI
KAWASAKI YASUSHI
TANAKA SEIJIRO
KAWASAKI YASUSHI
TANAKA SEIJIRO
Application Number:
JP2001380823A
Publication Date:
July 03, 2003
Filing Date:
December 14, 2001
Export Citation:
Assignee:
KAWASAKI REFRACTORIES CO LTD
International Classes:
B22D41/32; C04B35/66; (IPC1-7): C04B35/66; B22D41/32
Attorney, Agent or Firm:
Toyoaki Fukui