Rake and Flank Wear Mechanisms of Coated and Uncoated Cemented Carbides

[+] Author and Article Information
P. A. Dearnley

Department of Metallurgy and Materials, University of Birmingham, Birmingham B15 2TT, England

J. Eng. Mater. Technol 107(1), 68-82 (Jan 01, 1985) (15 pages) doi:10.1115/1.3225773 History: Received February 23, 1984; Online September 23, 2009


A series of commercially available cemented carbides coated with single or composite layers of TiC, TiN, and Al2 O3 were used to cut three types of steel, En8 (∼AISI 1042), En24 (∼AISI 4340), and En9 (∼AISI 1055). For comparison, two uncoated cemented carbides and some Al2 O3 -ceramic inserts were also tested. The worn surfaces were examined using optical and scanning electron microscopy techniques and tool/work interfacial conditions were evaluated from quick-stop experiments and tool temperature estimates. By linking this information with observed wear rates, various rake and flank wear mechanisms are proposed.

Copyright © 1985 by ASME
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