Title:
塩化珪素ガス使用炉用耐火物
Document Type and Number:
Japanese Patent JP6747520
Kind Code:
B2
Abstract:
The purpose of the present invention is to provide a refractory for siliconizing furnaces, which is suppressed in change of properties and embrittlement, and which has a long service life. A refractory for siliconizing furnaces, which contains 35% by mass or more in total of one or more substances that are selected from among silicon oxides, silicon nitrides and silicon oxynitrides and 0.05% by mass or less in total of alkali metals, while having a porosity of 25% by volume or less and a compressive strength of 5 MPa or more.
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Inventors:
Takashi Doi
Katsuji Kasai
Teruhiko Tobe
Takuma Koyama
Katsuji Kasai
Teruhiko Tobe
Takuma Koyama
Application Number:
JP2018560694A
Publication Date:
August 26, 2020
Filing Date:
September 03, 2018
Export Citation:
Assignee:
jfe Steel Corporation
International Classes:
C04B35/14; C23C10/46; F27D1/00
Domestic Patent References:
| JP8169750A | ||||
| JP1282148A | ||||
| JP2000283655A |
Foreign References:
| CN107937866A |
Other References:
耐火物手帳,耐火物技術協会,1982年10月31日,1981年版,P.160-163
Attorney, Agent or Firm:
Isomura Tetsuro
Akira Kumasaka
Tetsuya Sakai
Kazuhiro Mori
Akira Kumasaka
Tetsuya Sakai
Kazuhiro Mori