Eine Plattform für die Wissenschaft: Bauingenieurwesen, Architektur und Urbanistik
Eine Plattform für die Wissenschaft: Bauingenieurwesen, Architektur und Urbanistik
METHOD FOR PRODUCING ALUMINUM NITRIDE SINTERED BODY AND ALUMINUM NITRIDE SINTERED BODY
PROBLEM TO BE SOLVED: To provide a method for producing an aluminum nitride sintered body which satisfies high thermal conductivity and high strength while securing high productivity and quality at a low cost and to provide an aluminum nitride sintered body.SOLUTION: There is provided a method for producing an aluminum nitride sintered body which comprises: a first sintering step of sintering a mixture containing aluminum nitride, a sintering assistant and a compound containing carbon atoms in the atmosphere of gas containing ammonia to produce an intermediate sintered body; and a second sintering step of further sintering the intermediate sintered body to produce an aluminum nitride sintered body, wherein the aluminum nitride in the mixture has an average particle diameter based on volume of 0.6 μm or less, the compound containing carbon atoms is contained in the mixture as a liquid or solid and all components contained in the gas containing ammonia contain neither carbon atoms nor oxygen atoms.SELECTED DRAWING: None
【課題】低コストで高い生産性及び品質を確保しつつ、高い熱伝導率と高い強度とを共に満たす窒化アルミニウム焼結体の製造方法、及び窒化アルミニウム焼結体を提供すること。【解決手段】窒化アルミニウムと、焼結助剤と、炭素原子を含む化合物と、を含む混合物を、アンモニアを含むガスの雰囲気下で焼結し、中間焼結体を生成する第１焼結工程と、前記中間焼結体を、さらに焼結し、窒化アルミニウム焼結体を生成する第２焼結工程とを含み、前記混合物中の窒化アルミニウムの体積基準の平均粒径が０．６μｍ以下であり、前記炭素原子を含む化合物は、液体または固体として前記混合物に含まれ、前記アンモニアを含むガスに含まれる全ての成分は、炭素原子も酸素原子も含まない窒化アルミニウム焼結体の製造方法。【選択図】なし
METHOD FOR PRODUCING ALUMINUM NITRIDE SINTERED BODY AND ALUMINUM NITRIDE SINTERED BODY
PROBLEM TO BE SOLVED: To provide a method for producing an aluminum nitride sintered body which satisfies high thermal conductivity and high strength while securing high productivity and quality at a low cost and to provide an aluminum nitride sintered body.SOLUTION: There is provided a method for producing an aluminum nitride sintered body which comprises: a first sintering step of sintering a mixture containing aluminum nitride, a sintering assistant and a compound containing carbon atoms in the atmosphere of gas containing ammonia to produce an intermediate sintered body; and a second sintering step of further sintering the intermediate sintered body to produce an aluminum nitride sintered body, wherein the aluminum nitride in the mixture has an average particle diameter based on volume of 0.6 μm or less, the compound containing carbon atoms is contained in the mixture as a liquid or solid and all components contained in the gas containing ammonia contain neither carbon atoms nor oxygen atoms.SELECTED DRAWING: None
【課題】低コストで高い生産性及び品質を確保しつつ、高い熱伝導率と高い強度とを共に満たす窒化アルミニウム焼結体の製造方法、及び窒化アルミニウム焼結体を提供すること。【解決手段】窒化アルミニウムと、焼結助剤と、炭素原子を含む化合物と、を含む混合物を、アンモニアを含むガスの雰囲気下で焼結し、中間焼結体を生成する第１焼結工程と、前記中間焼結体を、さらに焼結し、窒化アルミニウム焼結体を生成する第２焼結工程とを含み、前記混合物中の窒化アルミニウムの体積基準の平均粒径が０．６μｍ以下であり、前記炭素原子を含む化合物は、液体または固体として前記混合物に含まれ、前記アンモニアを含むガスに含まれる全ての成分は、炭素原子も酸素原子も含まない窒化アルミニウム焼結体の製造方法。【選択図】なし
METHOD FOR PRODUCING ALUMINUM NITRIDE SINTERED BODY AND ALUMINUM NITRIDE SINTERED BODY
窒化アルミニウム焼結体の製造方法、並びに窒化アルミニウム焼結体
SHIOI TSUNESUKE (Autor:in) / MIYAMOTO DAISUKE (Autor:in)
26.10.2017
Patent
Elektronische Ressource
Japanisch
IPC:
C04B
Kalk
,
LIME
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