alexa Scratch Wear Resistance of TiALN And AlCrN Coated EN-353 Steel
ISSN: 2169-0022

Journal of Material Sciences & Engineering
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Research Article

Scratch Wear Resistance of TiALN And AlCrN Coated EN-353 Steel

Chandrashekhar A1*, Kabadi VR2 and Bhide3

1Department of Mechanical Engineering, Basaveshwar Engineering College, Bagalkot, India

2Department of Mechanical Engineering, Nitte Meenakshi Institute of Technology, Bangaluru, India

3Application Support Centre, Oerlikon Balzers Coating India Limited, Bhosari, Pune, Maharashtra, India

*Corresponding Author:
Chandrashekhar A
Department of Mechanical Engineering
Basaveshwar Engineering College
Bagalkot, India
Tel: 8333278887
Fax:
8333278886
E-mail: [email protected]

Received date: April 04, 2016; Accepted date: May 10, 2016; Published date:May 20, 2016

Citation: Chandrashekhar A, Kabadi VR, Bhide R (2016) Scratch Wear Resistance of TiALN And AlCrN Coated EN-353 Steel. J Material Sci Eng 5:251. doi:10.4172/2169-0022.1000251

Copyright: © 2016 Chandrashekhar A, et al. This is an open-access article distributed under the terms of the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original author and source are credited.

Abstract

TiAlN and AlCrN coatings were deposited on mild steel (EN 353 steel) by cathodic arc evaporation technique. Coefficients of friction, critical load, adhesive and cohesive properties of these coatings were studied using scratch tester. Failure mode for coatings with thickness of 2 and 4 μm were studied using scratch channels and acoustic activities as basis. Studies presented relationship between progressive and in situ emission signals. AlCrN coating exhibited higher critical load as determined by the acoustic emission signal. Additionally wear mechanisms were analyzed. Analysis of the experimental results showed that load carrying capacity of AlCrN coating is better than TiAlN coating. Scratch wear test of AlCrN coated substrates showed reduction in cracking and spalling of coated layers.

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