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Title: Experimental analysis on machinability aspects of sintered aluminium metal matrix (Al + Si + Mg + Cu + SiC) composite - a novel product produced by powder metallurgy method

Authors: Rajesh Kumar Behera; Birajendu Prasad Samal; Sarat Chandra Panigrahi; Sudhansu Ranjan Das; Aezeden Mohamed; Kamalakanta Muduli; Ananya Samal; Pramod Kumar Parida; Ratnakar Das

Addresses: Department of Mechanical Engineering, Biju Patnaik University of Technology, Rourkela, Odisha, India ' Department of Mechanical Engineering, Orissa Engineering College, Bhubaneswar, Odisha, India ' Raajdhani Engineering College, Bhubaneswar, Odisha, India ' Department of Production Engineering, Veer Surendra Sai University of Technology, Burla, Odisha, India ' Department of Mechanical Engineering, Papua New Guinea University of Technology, Lae, PMB 411, Morobe Province, Papua New Guinea ' Department of Mechanical Engineering, Papua New Guinea University of Technology, Lae, PMB 411, Morobe Province, Papua New Guinea ' Department of Mechanical Engineering, Maharaja Institute of Technology, Taraboi, Khurda, Odisha, India ' Department of Mechanical Engineering, College of Engineering and Technology, Bhubaneswar, Odisha, India ' Department of Manufacturing Engineering, National Institute of Foundry and Forge Technology, Hatia, Ranchi, Jharkhand, India

Abstract: Due to the various superior and unique properties in aluminium metal matrix composites (Al + Si + Mg + Cu + SiC) on alloys; those are used in variety of industrial uses. The present paper studies the machinability aspects of turning and surface roughness in sintered aluminium metal matrix composites produced by powder metallurgy process and the various experiments were carried out by a CNC lathe with using tool inserts of titanium nitride coated tungsten carbide tool. This study attempts to measure and examine the influences of the depth of cut, feed-rate and cutting speed on surface roughness during machining of the composites. The cutting parameters and tool wear was influenced on the surface roughness. It was systematically analysed and a predictive model was established with-respect-to turning variables using Taguchi and response-surface methodology. The results showed that feed and cutting speeds are important, controlled, and dominant factors in the AMMC turning operation, considering the minimisation of machined surface roughness and the weight share of SiC reinforcement.

Keywords: aluminium metal matrix composite; AMMC; turning; response surface methodology; RSM; Taguchi method; surface roughness; SR.

DOI: 10.1504/IJMATEI.2022.122156

International Journal of Materials Engineering Innovation, 2022 Vol.13 No.1, pp.1 - 22

Received: 26 Jan 2021
Accepted: 06 Feb 2021

Published online: 11 Apr 2022 *

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