发明名称 |
Method of obtaining a sialon-based ceramic material by reducing an aluminosilicate material, and use thereof in forming a ceramic coating on a refractory substrate |
摘要 |
A ceramic material based on Sialon, in particular on beta '-Sialon is obtained by reducing an aluminosilicate precursor by means of a gas phase comprising a mixture of hydrogen and nitrogen doped with a gaseous carbon compound. The gaseous carbon compound is a gas containing carbon in combined form, e.g. an alkane, and its concentration by volume in the gas is less than 3%. The method is particularly suitable for forming Sialon-based coatings on substrates that are solid or fibrous. For composite materials constituted by a fiber preform densified by means of a matrix, the method can be used to form an interphase coating on the fibers of the preform prior to densifying the preform, or the method can be used to form a matrix that is based on Sialon.
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申请公布号 |
US5411762(A) |
申请公布日期 |
1995.05.02 |
申请号 |
US19940190319 |
申请日期 |
1994.02.02 |
申请人 |
SOCIETE EUROPEAN DE PROPULSION |
发明人 |
THEBAULT, JACQUES;SERON, ALAIN;BEGUIN, FRANCOIS |
分类号 |
C01B21/082;C04B35/597;C04B35/599;C04B35/622;C04B41/50;C04B41/87;(IPC1-7):B05D3/04 |
主分类号 |
C01B21/082 |
代理机构 |
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代理人 |
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主权项 |
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地址 |
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