Title:
SILICON NITRIDE-BASE SINTERING MATERIAL AND MANUFACTURE
Document Type and Number:
Japanese Patent JPS58110632
Kind Code:
A
Abstract:
A silicon nitride material is obtained by natural sintering in the presence of a small quantity of yttrium oxide. The method comprises the steps of mixing silicon powder with relatively small quantities of aluminum powder and yttrium oxide powder, nitriding the mixture of powders, re-crushing the nitrided mixture of powders, shaping the re-crushed powders, and then sintering the shaped re-crushed powders.
Inventors:
RUI MANJIYORU
SERUJIYU SHIYATENIEERU
SERUJIYU SHIYATENIEERU
Application Number:
JP7325182A
Publication Date:
July 01, 1983
Filing Date:
April 30, 1982
Export Citation:
Assignee:
CERAVER
International Classes:
B22F1/00; C01B21/068; C04B35/584; (IPC1-7): B22F1/00; C22C1/05
Domestic Patent References:
| JPS55116671A | 1980-09-08 | |||
| JPS50109206A | 1975-08-28 | |||
| JPS53133212A | 1978-11-20 |
Attorney, Agent or Firm:
Yoshio Kawaguchi