摘要:
Provided are an alumina sintered compact containing a titanium compound and an iron compound, wherein FeTiAlO5 grains exist in the grain boundary of the alumina grains and the mean grain size of the FeTiAlO5 grains is from 3.4 to 7.0 μm; and an abrasive grain and a grain stone using the alumina sintered compact.
摘要:
Provided are a method for producing an alumina sintered compact satisfying the following (1) and (2), which comprises mixing and sintering an ilmenite powder and an alumina powder; the alumina sintered compact obtained according to the production method; and an abrasive grain and a grain stone. (1) The total amount of the TiO2-equivalent content of the titanium compound, the Fe2O3-equivalent content of the iron compound and the alumina content is at least 98% by mass; (2) The total amount of the TiO2-equivalent content of the titanium compound and the Fe2O3-equivalent content of the iron compound is from 5 to 13% by mass.
摘要翻译:提供一种满足以下(1)和(2)的氧化铝烧结体的制造方法,其包括将钛铁矿粉末和氧化铝粉末混合并烧结; 按照制造方法得到的氧化铝烧结体; 磨粒和颗粒石。 (1)钛化合物的TiO 2当量含量,铁化合物的Fe 2 O 3当量含量和氧化铝含量的总量为98质量%以上。 (2)钛化合物的TiO 2当量含量和铁化合物的Fe 2 O 3当量含量的总量为5〜13质量%。
摘要:
Provided are a method for producing an alumina sintered compact satisfying the following (1) and (2), which comprises mixing and sintering an ilmenite powder and an alumina powder; the alumina sintered compact obtained according to the production method; and an abrasive grain and a grain stone. (1) The total amount of the TiO2-equivalent content of the titanium compound, the Fe2O3-equivalent content of the iron compound and the alumina content is at least 98% by mass; (2) The total amount of the TiO2-equivalent content of the titanium compound and the Fe2O3-equivalent content of the iron compound is from 5 to 13% by mass.
摘要翻译:提供一种满足以下(1)和(2)的氧化铝烧结体的制造方法,其包括将钛铁矿粉末和氧化铝粉末混合并烧结; 按照制造方法得到的氧化铝烧结体; 磨粒和颗粒石。 (1)钛化合物的TiO 2当量含量,铁化合物的Fe 2 O 3当量含量和氧化铝含量的总量为98质量%以上。 (2)钛化合物的TiO 2当量含量和铁化合物的Fe 2 O 3当量含量的总量为5〜13质量%。
摘要:
Provided are an alumina sintered compact containing a titanium compound and an iron compound, wherein the total amount of the TiO2-equivalent content of the titanium compound, the Fe2O3-equivalent content of the iron compound and the alumina content is at least 98% by mass, the total amount of the TiO2-equivalent content of the titanium compound and the Fe2O3-equivalent content of the iron compound is from 5 to 13% by mass, and the ratio by mass of the TiO2-equivalent content of the titanium compound to the Fe2O3-equivalent content of the iron compound (TiO2/Fe2O3) is from 0.85/1.15 to 1.15/0.85; and an abrasive grain and a grain stone using the alumina sintered compact.
摘要翻译:提供一种含有钛化合物和铁化合物的氧化铝烧结体,其中钛化合物的TiO 2当量含量,铁化合物的Fe 2 O 3当量含量和氧化铝含量的总量为至少98质量% 钛化合物的TiO 2当量含量和铁化合物的Fe 2 O 3当量含量的总量为5〜13质量%,钛化合物的TiO 2当量含量与 铁化合物(TiO 2 / Fe 2 O 3)的Fe 2 O 3当量含量为0.85 / 1.15〜1.15 / 0.85; 以及使用氧化铝烧结体的磨粒和粒状石。
摘要:
Provided are an alumina sintered compact containing a titanium compound and an iron compound, wherein FeTiAlO5 grains exist in the grain boundary of the alumina grains and the mean grain size of the FeTiAlO5 grains is from 3.4 to 7.0 μm; and an abrasive grain and a grain stone using the alumina sintered compact.
摘要:
Provided are an alumina sintered compact containing a titanium compound and an iron compound, wherein the total amount of the TiO2-equivalent content of the titanium compound, the Fe2O3-equivalent content of the iron compound and the alumina content is at least 98% by mass, the total amount of the TiO2-equivalent content of the titanium compound and the Fe2O3-equivalent content of the iron compound is from 5 to 13% by mass, and the ratio by mass of the TiO2-equivalent content of the titanium compound to the Fe2O3-equivalent content of the iron compound (TiO2/Fe2O3) is from 0.85/1.15 to 1.15/0.85; and an abrasive grain and a grain stone using the alumina sintered compact.
摘要翻译:提供一种含有钛化合物和铁化合物的氧化铝烧结体,其中钛化合物的TiO 2当量含量,铁化合物的Fe 2 O 3当量含量和氧化铝含量的总量为至少98质量% 钛化合物的TiO 2当量含量和铁化合物的Fe 2 O 3当量含量的总量为5〜13质量%,钛化合物的TiO 2当量含量与 铁化合物(TiO 2 / Fe 2 O 3)的Fe 2 O 3当量含量为0.85 / 1.15〜1.15 / 0.85; 以及使用氧化铝烧结体的磨粒和粒状石。
摘要:
A roundish fused alumina particles having a mean particle size of 5 to 4,000 μm and a roundness of 0.85 or more, and a producing method thereof are provided. The method comprises removing edges of fused alumina particles by making the fused alumina particles collide with each other.
摘要:
The invention provides a dry grinding system including grinding means for dry-grinding a material to be ground; first classification means for classifying a ground product obtained through the grinding means, into fine powder having a relatively small average particle size and coarse powder having a relatively large average particle size; second classification means for further classifying the coarse powder obtained through the first classification means, into fine powder having a relatively small average particle size and coarse powder having a relatively large average particle size; and returning means for returning to the grinding means the coarse powder obtained through the second classification means. The invention enables production of a powder product having a desired average particle size at high efficiency.
摘要:
The invention provides a dry grinding system including grinding means for dry-grinding a material to be ground; first classification means for classifying a ground product obtained through the grinding means, into fine powder having a relatively small average particle size and coarse powder having a relatively large average particle size; second classification means for further classifying the coarse powder obtained through the first classification means, into fine powder having a relatively small average particle size and coarse powder having a relatively large average particle size; and returning means for returning to the grinding means the coarse powder obtained through the second classification means. The invention enables production of a powder product having a desired average particle size at high efficiency.
摘要:
A roundish fused alumina particles having a mean particle size of 5 to 4,000 μm and a roundness of 0.85 or more, and a producing method thereof are provided. The method comprises removing edges of fused alumina particles by making the fused alumina particles collide with each other.