Influence of Friction Stir Welding on Mechanical Properties of Butt Joints of AZ61 Magnesium Alloy

Table 4

Fracture locations of tensile specimens.

Welding condition	Macrograph	Welding condition	Macrograph
400 rpm; 200 mm/min		600 rpm; 300 mm/min
800 rpm; 400 mm/min		1000 rpm; 500 mm/min
600 rpm; 200 mm/min		900 rpm; 300 mm/min
1200 rpm; 400 mm/min		1500 rpm; 500 mm/min