Sintered aluminous abrasive and method of producing same

Details Sintered aluminous abrasive and method of producing same Sintered aluminous abrasive and method of producing same

C - Chemistry, Metallurgy

09

K

57/19, 57/6

C09K 3/14 (2006.01) B24D 3/00 (2006.01) B24D 3/34 (2006.01) C04B 35/111 (2006.01)

Patent

CA 2036051

ABSTRACT Sintered aluminous abrasive grains having a density of at least 95% of theoretical density and having an alpha alumina crystal size of smaller than one micron, which are obtained by drying and crushing a lithium containing alumina dispersion and sintering the crushed objects at 1100-1500°C, said abrasive grains have the strength and hardness equal to or higher than conventional abrasive grains, superior properties in grinding resistance and wear resistance and superiro self-sharpening property in course of grinding.

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