The alumina quality sintering body which is obtained the description below which mixes with the irumenaito powder and the alumina powder and features that sintering by the production manner and particular production manner of the alumina quality sintering body which (1) and (2) is filled up, it is the abrasive grain and the grindstone.(1) the titanium compound TiO2 is converted of the content and the iron compound Fe2 O3 is converted conjunction measurable variable of content and the content of the alumina which 98 mass % above(2) the titanium compound TiO2 is converted conjunction measurable variable of the content and the iron compound Fe2 O3 is converted the content which 5 - 13 mass %
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机译：通过以下的说明得到的氧化铝质烧结体，其与irumenaito粉末和氧化铝粉混合，具有通过填充（1）和（2）的氧化铝质烧结体的制造方式，特别是制造方式进行烧结的特征。 （1）钛化合物TiO 2 的含量与铁化合物Fe 2 O 3 98％（质量）以上的氧化铝的含量和含量的换算的可衡量变量（2）钛化合物TiO 2 的含量与铁化合物的Fe 2 O 3 转换为5-13质量％的含量
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