Alumina sintered body, abrasive grains, and grindstone

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United States of America Patent

PATENT NO 8894730
SERIAL NO

13882593

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Abstract

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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.

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Patent Owner(s)

Patent OwnerAddress
RESONAC CORPORATION9-1 HIGASHI-SHIMBASHI 1-CHOME MINATO-KU TOKYO 1057325 ?1057325

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Iemura, Takeshi Shiojiri, JP 8 2
Miyazawa, Hirokazu Shiojiri, JP 7 21
Tomikawa, Shinichiro Shiojiri, JP 14 86

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