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A platform for research: civil engineering, architecture and urbanism
ALUMINUM NITRIDE SINTERED BODY AND MANUFACTURING METHOD THEREFOR
PROBLEM TO BE SOLVED: To provide an aluminum nitride sintered body having higher strength while at least maintaining thermal conductivity.SOLUTION: There is provided an aluminum nitride sintered body of a molded body of a raw material mixture containing 100 pts.wt. of an aluminum nitride raw material powder, 0.025 to 0.15 pts.wt., preferably 0.05 to 0.1 pts.wt. in terms of Si element of SiO2, 1 to 10 pts.wt. in terms of oxide of Y2O3 and 1 to 5 pts.wt., preferably 2 to 3 pts.wt. in terms of oxide of stabilized zirconia, having 0.7 to 4.2 wt.%, preferably 1.4 to 2.5 wt.% of ZrN particle having average particle diameter of 0.1 to 0.8 μm deposited and having heat conductivity of 130 W/m/K or more, preferably 140 W/m/K or more, 3 point flexure strength of 650 MPa or more, preferably 660 MPa or more.SELECTED DRAWING: Figure 3
【課題】熱伝導性を少なくとも維持しつつ、より高い強度を有する窒化アルミニウム焼結体の提供。【解決手段】窒化アルミニウム原料粉末１００重量部に対して、Ｓｉ元素換算で０．０２５〜０．１５重量部、好ましくは０．０５〜０．１重量部のＳｉＯ２と、酸化物換算で１〜１０重量部のＹ２Ｏ３と、酸化物換算で１〜５重量部、好ましくは２〜３重量部の安定化ジルコニアと、を含有する原料混合物の成形体の焼結体であり、平均粒径０．１〜０．８μｍのＺｒＮ粒子が０．７〜４．２ｗｔ％、好ましくは１．４〜２．５ｗｔ％析出しているとともに、熱伝導率が１３０Ｗ／ｍ／Ｋ以上、好ましくは１４０Ｗ／ｍ／Ｋ以上であり、３点曲げ強度が６５０ＭＰａ以上、好ましくは６６０ＭＰａ以上である窒化アルミニウム焼結体。【選択図】図３
ALUMINUM NITRIDE SINTERED BODY AND MANUFACTURING METHOD THEREFOR
PROBLEM TO BE SOLVED: To provide an aluminum nitride sintered body having higher strength while at least maintaining thermal conductivity.SOLUTION: There is provided an aluminum nitride sintered body of a molded body of a raw material mixture containing 100 pts.wt. of an aluminum nitride raw material powder, 0.025 to 0.15 pts.wt., preferably 0.05 to 0.1 pts.wt. in terms of Si element of SiO2, 1 to 10 pts.wt. in terms of oxide of Y2O3 and 1 to 5 pts.wt., preferably 2 to 3 pts.wt. in terms of oxide of stabilized zirconia, having 0.7 to 4.2 wt.%, preferably 1.4 to 2.5 wt.% of ZrN particle having average particle diameter of 0.1 to 0.8 μm deposited and having heat conductivity of 130 W/m/K or more, preferably 140 W/m/K or more, 3 point flexure strength of 650 MPa or more, preferably 660 MPa or more.SELECTED DRAWING: Figure 3
【課題】熱伝導性を少なくとも維持しつつ、より高い強度を有する窒化アルミニウム焼結体の提供。【解決手段】窒化アルミニウム原料粉末１００重量部に対して、Ｓｉ元素換算で０．０２５〜０．１５重量部、好ましくは０．０５〜０．１重量部のＳｉＯ２と、酸化物換算で１〜１０重量部のＹ２Ｏ３と、酸化物換算で１〜５重量部、好ましくは２〜３重量部の安定化ジルコニアと、を含有する原料混合物の成形体の焼結体であり、平均粒径０．１〜０．８μｍのＺｒＮ粒子が０．７〜４．２ｗｔ％、好ましくは１．４〜２．５ｗｔ％析出しているとともに、熱伝導率が１３０Ｗ／ｍ／Ｋ以上、好ましくは１４０Ｗ／ｍ／Ｋ以上であり、３点曲げ強度が６５０ＭＰａ以上、好ましくは６６０ＭＰａ以上である窒化アルミニウム焼結体。【選択図】図３
ALUMINUM NITRIDE SINTERED BODY AND MANUFACTURING METHOD THEREFOR
窒化アルミニウム焼結体及びその製造方法
TAKAHASHI MITSUTAKA (author) / KATO DAISUKE (author) / HIRANO HIROTO (author)
2017-06-08
Patent
Electronic Resource
Japanese
ALUMINUM NITRIDE SINTERED BODY, AND METHOD FOR MANUFACTURING ALUMINUM NITRIDE SINTERED BODY
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