Characterization of Carbide Tool Wear and the Influence of Titanium Carbide Coatings

[+] Author and Article Information
D. A. Payne, J.-M. Bind, J. V. Biggers

Department of Ceramic Science, Materials Research Laboratory, The Pennsylvania State University, University Park, Pa.

I. Ham

Department of Industrial Engineering, Materials Research Laboratory, The Pennsylvania State University, University Park, Pa.

J. Eng. Ind 97(3), 1126-1130 (Aug 01, 1975) (5 pages) doi:10.1115/1.3438665 History: Received July 12, 1974; Online July 15, 2010


Typical data are presented for the chemical and physical characterization of commercial carbide cutting tools before and after machining tests on heat treated alloy steel AISI-4340. Particular attention is paid to the morphology of crater wear relating chemical constitution and carbide microstructure to tool/workpiece interactions. Direct observation of chemical impurity transfer is reported and a mechanism proposed for the deleterious liquid phase attack of intergranular cobalt. The influence of TiC coatings on improved cutting performance is discussed; and the characteristics of several different coatings correlated with varied machining results. Characterization techniques employed include optical and scanning electron microscopy, electron microprobe analysis and x-ray emission identification.

Copyright © 1975 by ASME
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