Titanium-nitride coated grinding wheel and method therefor

Details Titanium-nitride coated grinding wheel and method therefor Titanium-nitride coated grinding wheel and method therefor

1991-06-13

1992-08-18

Dixon, Jr., William R.

Abrasive tool making process, material, or composition

Miscellaneous

51295, 51309, B24D 300

Patent

active

051395371

ABSTRACT:
A titanium nitride coating is applied over the cubic boron nitride layer of conventional CBN tools by the process of arc physical-vapor-deposition at temperatures below the tempering temperature of the core metal. The titanium nitride coating stabilizes and reinforces the existing bond between the cubic boron nitride and the core, resulting in a grinding tool with greater efficiency and longer life. Specific operating conditions are required during the deposition process in order to ensure the proper level of adhesion of the titanium nitride layer.

REFERENCES:
patent: 3645706 (1972-02-01), Bovenkerk
patent: 4011064 (1977-03-01), Lee et al.
patent: 4095961 (1978-06-01), Wirth
patent: 4399167 (1983-08-01), Pipkin
patent: 4776863 (1988-10-01), Van den Berg et al.

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