From: Unified Principal S–N Equation for Friction Stir Welding of 5083 and 6061 Aluminum Alloys
Statistical basis
Parameter
Cd
h
Mean
4222.5
0.2693
+ 2σ
7483.1
− 2σ
2382.7
+ 3σ
9961.8
− 3σ
1789.8