Springback of Friction Stir Welded Sheets Made of Aluminium Grades during V-Bending: An Experimental Study

Table 3

Springback angles of base materials (reference die angle: 59.2°).

Base material grade	Springback angle
	Near radius	Far from radius
5052H32	66.94^∘±0.12^∘	60.58^∘±0.6^∘
6061T6	76.86^∘±0.9^∘	74.76^∘±0.8^∘