Effect of Pin Geometry and Orientation on Friction and Wear Behavior of Nickel-Coated EN8 Steel Pin and Al6061 Alloy Disc Pair

Table 1

Chemical composition of EN8 steel and Al6061 alloy.

EN8 material	C	Si	Mn	Cr	Mo	Ni	P	S	Fe
wt. (%)	0.45	0.19	0.79	0.007	0.002	0.009	0.026	0.015	Balance
Al 6061 alloy	Mg	Si	Fe	Ca	Cu	Mn	Zn	Ti	Al
wt. (%)	0.92	0.6	0.33	0.20	0.18	0.06	0.03	0.02	Balance