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A platform for research: civil engineering, architecture and urbanism
MAGNESIUM OXIDE-CONTAINING SPINEL POWDER AND MANUFACTURING METHOD THEREOF
PROBLEM TO BE SOLVED: To provide magnesium oxide-containing spinel powder capable of producing a ceramic sintered compact exhibiting not only high strength but stability in strength.SOLUTION: There is provided magnesium oxide-containing spinel powder having a 50% particle diameter (D50) of 0.30 to 10.00 μm, having a ratio (D90 - D50)/(D50 - D10) of 1.0 to 5.0, the foregoing ratio being a ratio of difference between 90% particle diameter (D90) and D50 to difference between D50 and 10% particle diameter (D10), and having a composition ratio of Mg to Al being 50 to 90% by weight of MgO and 50 to 10% by weight of AlOin terms of oxides.SELECTED DRAWING: None
【課題】強度が高く、しかも強度の安定性に優れたセラミックス焼結体を製造し得る酸化マグネシウム含有スピネル粉末を提供すること。【解決手段】５０％粒子径（Ｄ５０）が０．３０〜１０．００μｍであり、９０％粒子径（Ｄ９０）とＤ５０の差およびＤ５０と１０％粒子径（Ｄ１０）の差の比：（Ｄ９０−Ｄ５０）／（Ｄ５０−Ｄ１０）が１．０〜５．０であり、かつＭｇとＡｌの組成比が酸化物に換算してＭｇＯが５０〜９０重量％、Ａｌ２Ｏ３が５０〜１０重量％である、酸化マグネシウム含有スピネル粉末。【選択図】なし
MAGNESIUM OXIDE-CONTAINING SPINEL POWDER AND MANUFACTURING METHOD THEREOF
PROBLEM TO BE SOLVED: To provide magnesium oxide-containing spinel powder capable of producing a ceramic sintered compact exhibiting not only high strength but stability in strength.SOLUTION: There is provided magnesium oxide-containing spinel powder having a 50% particle diameter (D50) of 0.30 to 10.00 μm, having a ratio (D90 - D50)/(D50 - D10) of 1.0 to 5.0, the foregoing ratio being a ratio of difference between 90% particle diameter (D90) and D50 to difference between D50 and 10% particle diameter (D10), and having a composition ratio of Mg to Al being 50 to 90% by weight of MgO and 50 to 10% by weight of AlOin terms of oxides.SELECTED DRAWING: None
【課題】強度が高く、しかも強度の安定性に優れたセラミックス焼結体を製造し得る酸化マグネシウム含有スピネル粉末を提供すること。【解決手段】５０％粒子径（Ｄ５０）が０．３０〜１０．００μｍであり、９０％粒子径（Ｄ９０）とＤ５０の差およびＤ５０と１０％粒子径（Ｄ１０）の差の比：（Ｄ９０−Ｄ５０）／（Ｄ５０−Ｄ１０）が１．０〜５．０であり、かつＭｇとＡｌの組成比が酸化物に換算してＭｇＯが５０〜９０重量％、Ａｌ２Ｏ３が５０〜１０重量％である、酸化マグネシウム含有スピネル粉末。【選択図】なし
MAGNESIUM OXIDE-CONTAINING SPINEL POWDER AND MANUFACTURING METHOD THEREOF
酸化マグネシウム含有スピネル粉末及びその製造方法
CHIKASAWA TOMOFUMI (author) / SAITO AKINORI (author) / OSAKI YOSHIHISA (author)
2018-04-05
Patent
Electronic Resource
Japanese
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