Optimizing Cutting Conditions and Prediction of Surface Roughness in Face Milling of AZ61 Using Regression Analysis and Artificial Neural Network

Table 1

Chemical composition of magnesium AZ 61 alloy.

Element	% by mass
Aluminum	5.9
Zinc	0.9
Copper	<0.03
Silicon	<0.01
Iron	<0.01
Nickel	<0.005
Magnesium	Balance