Saint-Gobain Abrasives Technology Company

Saint-Cobain Abrasives Technology Company

Jeri Ann S Ikeda

Sergej-Tomislav V Buljan

Srinivasan Ramanath

Jason R Wilson

An abrasive article including from about 40 to about 80 volume percent interconnected porosity, the article being useful as a segment for a segmented grinding wheel, and a method for fabricating the same. The method includes blending a mixture of abrasive grain, bond material and dispersoid particles, the mixture including from about 40 to about 80 volume percent dispersoid particles. In one embodiment the mixture includes from about 50 to about 80 volume percent dispersoid particles. In another embodiment the mixture includes an organic bond material and from about 40 to about 80 volume percent dispersoid particles. The powder mixture is then pressed into an abrasive laden composite and thermally processed. After cooling the composite is immersed into a solvent, which dissolves substantially all of the dispersoid particles, leaving a highly porous, bonded abrasive article.

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Framingham, MA, United States of America

Jeri Ann S Ikeda