Low temperature bond for abrasive tools

Details Low temperature bond for abrasive tools Low temperature bond for abrasive tools

B - Operations, Transporting

24

D

B24D 3/14 (2006.01) C04B 35/111 (2006.01)

Patent

CA 2305616

The present invention provides a vitreous-bonded abrasive tool wherein the abrasive grit portion comprises a thermally sensitive abrasive grain, such as sintered sol gel microcrystalline alpha alumina abrasive grain or superabrasive grain, and wherein the vitrified bond may be matured by firing at a temperature below about 875 °C. The invention further includes a novel vitrified bond composition.

Cette invention se rapporte à un outil abrasif à liaison vitreuse, dans lequel la partie grès abrasif comprend un grain abrasif thermosensible, tel qu'un grain abrasif ou superabrasif à base d'alpha-alumine microcristalline sol-gel fritté, et dans lequel la liaison vitrifiée peut être fermentée par cuisson à une température inférieure à 875 DEG C environ. Cette invention se rapporte en outre à une nouvelle composition de liaison vitrifiée.

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