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General Information
Editor-in-chief
Prof. T. Hikmet Karakoc
Anadolu University, Faculty of Aeronautics and Astronautics, Turkey

IJET 2014 Vol.6(3): 223-226 ISSN: 1793-8236
DOI: 10.7763/IJET.2014.V6.701

Tool Wear of Aluminum-Chromium Based Coated Cemented Carbide in Cutting Hardened Sintered Steel

Tadahiro Wada, Mitsunori Ozaki, Hiroyuki Hanyu, and Kinya Kawase
Abstract—Tool life in turning sintered steels is shorter than that in turning melted steels such as carbon steels. In order to identify an effective tool material for cutting hardened sintered steel, tool wear was experimentally investigated. Hardened sintered steel was turned with two kinds of PVD coated cemented carbide tools. The coating films used were (Ti,Al)N and (Al,Cr)N. The main results obtained are as follows: (1) The wear progress of the (Al,Cr)N coated cemented carbide tool was slower than that of the (Ti,Al)N coated cemented carbide tool. (2) Because the (Al,Cr)N coating film exhibited both higher hardness and higher oxidation temperature, the wear progress of the (Al,Cr)N coated cemented carbide became slower. (3) In cutting hardened sintered steel with (Al,Cr)N coated cemented carbide tool, there was little influence of the cutting speed on the tool wear within the range of the cutting speed from 0.5 m/s to 1.0 m/s.

Index Terms—Turning, hardened sintered steel, physical vapor deposition coating film, (Al,Cr)N, (Ti,Al)N.

Tadahiro Wada and Mitsunori Ozaki are with the Nara National College of Technology, 22 Yata-cho, Yamatokoriyama 639-1080, Japan (e-mail: wada@mech.nara-k.ac.jp).
Mitsunori Ozaki is with the Nara National College of Technology.
Hiroyuki Hanyu is with the OSG Corporation.
Kinya Kawase is with the Diamet Corporation.

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Cite:Tadahiro Wada, Mitsunori Ozaki, Hiroyuki Hanyu, and Kinya Kawase "Tool Wear of Aluminum-Chromium Based Coated Cemented Carbide in Cutting Hardened Sintered Steel," International Journal of Engineering and Technology vol. 6, no. 3, pp. 223-226, 2014.

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