ALKALINE EARTH METAL SILICON NITRIDE

To provide a method for producing an alkaline earth metal silicon nitride having high stability against oxygen and moisture in atmosphere.SOLUTION: A method for producing an alkaline earth metal silicon nitride comprises firing a mixture containing silicon nitride containing 20 mass% or more β-silic...

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Bibliographic Details
Main Authors TAKANO MIKU, SUZUKI MASAHARU, ICHINOTSUBO YUKITERU
Format Patent
LanguageEnglish
Japanese
Published 27.05.2021
Subjects
CHEMISTRY
COMPOUNDS THEREOF
INORGANIC CHEMISTRY
METALLURGY
NON-METALLIC ELEMENTS
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Summary:To provide a method for producing an alkaline earth metal silicon nitride having high stability against oxygen and moisture in atmosphere.SOLUTION: A method for producing an alkaline earth metal silicon nitride comprises firing a mixture containing silicon nitride containing 20 mass% or more β-silicon nitride and an alkaline earth metal nitride at 1,400°C or higher in an oxygen-free atmosphere.SELECTED DRAWING: None 【課題】大気中の酸素や水分に対して安定性が高いアルカリ土類金属窒化ケイ素の製造方法を提供すること。【解決手段】β−窒化ケイ素を２０質量％以上含む窒化ケイ素と、アルカリ土類金属窒化物とを含む混合物を、酸素非含有雰囲気下、１４００℃以上で焼成する、アルカリ土類金属窒化ケイ素の製造方法。【選択図】なし
Bibliography:Application Number: JP20190209922