Influence of Initial Contact Geometry on Mechanical Properties in Friction Welding of Dissimilar Materials Aluminum 6351 T6 and SAE 1020 Steel

Table 1

Chemical composition of the materials used.

Material	Elements (% weight)
A6351-T6 aluminum	Si	Fe	Cu	Mn	Mg	Cr	Zn	Ti
	1.30	0.50	0.10	0.80	0.08	—	—	0.22
SAE 1020 steel	C	Mn	Si	P	S	Mo	Al	Ni
	0.19	0.48	0.07	0.01	0.01	0.00	0.02	0.01