Saint-gobain Abrasives, Inc.

Saint-gobain Abrasifs

Matthew F Jacob

Srinivasan Ramanath

Rachana Upadhyay

Kenneth A Saucier

Cong Wang

Lenny C Sales

Marc A Lamoureux

An abrasive article comprising: a first body comprising a first bond material having abrasive particles contained within the first bond material, wherein the first body comprising the first bond material comprises a ratio of V/Vof at least about 1.3; a second body comprising a second bond material having abrasive particles contained within the second bond material, wherein the second body comprising the second bond material comprises a ratio of V/Vof less than about 1.3, and wherein Vis a volume percent of abrasive particles within a total volume of the first or second body respectively and Vis a volume percent of the first or second bond material within the total volume of the first or second body respectively.

Bonded abrasive article and method of grinding

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Jefferson, MA, United States of America

Matthew F Jacob