BONDED ABRASIVE ARTICLE AND METHOD OF MAKING

A bonded abrasive article is provided that includes abrasive grains within a bond matrix, the abrasive grains including cubic boron nitride (cBN) and the bond matrix including a polycrystalline ceramic phase. The bonded abrasive may have a Modulus of Rupture (MOR) of not less than about 40 MPa. Cert...

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Bibliographic Details
Main Authors QUEREL, GILLES, JOUSSEAUME, CECILE, DANDO, PAUL, S, HALL, RICHARD, W
Format Patent
LanguageEnglish
French
Published 18.09.2008
Subjects
GRINDING
PERFORMING OPERATIONS
POLISHING
TOOLS FOR GRINDING, BUFFING, OR SHARPENING
TRANSPORTING
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Summary:A bonded abrasive article is provided that includes abrasive grains within a bond matrix, the abrasive grains including cubic boron nitride (cBN) and the bond matrix including a polycrystalline ceramic phase. The bonded abrasive may have a Modulus of Rupture (MOR) of not less than about 40 MPa. Certain embodiments may have porosity, such as greater than about 5.0 vol%. L'invention concerne un article abrasif lié comprenant des grains abrasifs au sein d'une matrice de liaison, les grains abrasifs comprenant du nitrure de bore cubique (BNc) et la matrice de liaison comprend une phase céramique polycristalline. L'abrasif lié peut avoir un module de rupture (MOR) non inférieur à 40 MPa. Certains modes de réalisation peuvent avoir une certaine porosité, telle que supérieure à environ 5,0 % en volume.
Bibliography:Application Number: WO2008US56865