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Experimental evaluation of the effect of workpiece heat treatments and cutting parameters on the machinability of Ti-10V-2Fe-3Al β titanium alloy using Taguchi's design of experiments
by Navneet Khanna; R.A. Rahman Rashid; Suresh Palanisamy
International Journal of Machining and Machinability of Materials (IJMMM), Vol. 19, No. 4, 2017


Abstract: This industry supported scientific investigation presented the steps taken to gain insight into the phenomena of machining β titanium alloy Ti10.2.3 using design of experiments approach. The influence of cutting parameters and workpiece heat treatments on the cutting forces and temperatures during turning of the aerospace grade Ti-10V-2Fe-3Al (Ti.10.2.3) alloy using Taguchi's design of experiments is presented in this work. An L18 orthogonal array was designed and analysis of variance was performed on the tabulated results to investigate the effects of control variables (i.e., cutting speed, feed rate, and workpiece heat treatment) on the output parameters (i.e., cutting force, feed force, and the cutting temperature). The results showed that the feed rate was the most influential factor and the workpiece heat treatment was the least influential parameter which affected the response variables. Based on this observation, optimal cutting parameters and heat treatment conditions were calculated. This work minimised the number of experiments to be carried out to obtain the optimum machining parameters for this specific titanium alloy (Ti.10.2.3).

Online publication date: Fri, 04-Aug-2017


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