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Title: Application of response surface methodology in evaluating the performance of conventional, wiper, cryogenically treated and coated (TiN, TiAlN and TiCN) carbide inserts in turning of AISI 52100 steel

Authors: A.V. Pradeep; D. Lingaraju; S. Ramakrishna

Addresses: Department of Mechanical Engineering, Jawaharlal Nehru Technological University, Kakinada, AP, India; Department of Mechanical Engineering, Vignan's Institute of Engineering for Women, Duvvada, Visakhapatnam, AP, India ' Department of Mechanical Engineering, Jawaharlal Nehru Technological University, Kakinada, AP, India ' Mechanical Engineering, Gayatri Vidya Parishad College of Engineering, Madhurawada, Visakhapatnam, AP, India

Abstract: The performance of untreated/uncoated, wiper, deep cryogenically treated, and coated (TiN, TiAlN and TiCN) carbide inserts using response surface methodology in turning of AISI 52100 steel, was evaluated in this study. Type of insert, cutting speed, feed and depth of cut were the factors investigated. The response variables analysed were tool flank wear and surface roughness. Basing on RSM central composite design, an experimental plan (L18 OA) was developed. The ANOVA results signify that the suggested mathematical models could adequately elucidate the performance indicators within the range. The generated regression equation reveals that the flank wear is mainly influenced by the type of insert followed by cutting speed. The surface roughness was majorly affected by the type of insert followed by feed rate. Machined surface topographies and tool flank wear mechanism were analysed by examining the SEM micrographs. RSM multi-response optimisation was executed so as to optimise the turning parameters.

Keywords: wiper insert; coated carbide; cryogenic treatment; tool wear; surface roughness; RSM.

DOI: 10.1504/IJASM.2018.095514

International Journal of Agile Systems and Management, 2018 Vol.11 No.4, pp.340 - 363

Received: 02 Apr 2018
Accepted: 20 Apr 2018

Published online: 18 Sep 2018 *

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