Statistical Modelling to Study the Implications of Coated Tools for Machining AA 2014 Using Grey Taguchi-Based Response Surface Methodology

Table 1

Percentage of elements distribution in the chosen AA 2014 material.

Type of element	Cr (%)	Cu	Fe (%)	Mg	Mn	Si	Ti (%)	Zn (%)	Al
% contribution	0.1	3.9%–5%	0.7	0.2%–0.8%	0.4%–1.2%	0.5%–1.2%	0.15	0.25	Rest