The Formation of Oxycarbides During the Oxide Treatment of Cemented Carbide Tools

[+] Author and Article Information
S. K. Naik, N. P. Suh

Department of Mechanical Engineering, Massachusetts Institute of Technology, Cambridge, Mass.

J. Eng. Ind 96(4), 1268-1271 (Nov 01, 1974) (4 pages) doi:10.1115/1.3438505 History: Received August 02, 1973; Online July 15, 2010


Reactions between oxides and carbides were investigated in order to establish enhancement mechanisms occurring during the oxide treatment of cemented carbide tools. TiO powder was compacted around solid WC and TiC specimens, which were then heated to 1400 deg C in a vacuum of 10−4 to 10−5 torr. The reactions of Al2 O3 with these carbides was similarly investigated. X-ray diffraction analysis show that oxycarbides formed on the carbide surface during the oxide treatment. Discussions are given with regard to how these oxycarbides may enhance the metal cutting properties of cemented carbide tools.

Copyright © 1974 by ASME
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