Abstract

A series of triaxial and uniaxial compression tests of WA and GC grinding wheel materials with vitrified bonds have been carried out to confirm the theoretical analysis of their strengths and elastic moduli obtained previously. The following conclusions are obtained : (1) The grinding wheel materials with vitrified bonds are brittle materials with slant Mohr failure envelopes. (2) The stress ependency of the elastic moduli anticipated from the theoretical analysis is recognized in the experimental results. (3) As to the grinding wheel materials with vitrified bonds same in grain size, bonding strength and percentage of grain, WA is greater than GC in Young's modulus, tensile and compressive strengths.

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