From: Unified Principal S–N Equation for Friction Stir Welding of 5083 and 6061 Aluminum Alloys
Statistical basis
Parameter
Cd
h
Mean
64497.1
0.4353
+ 2σ
99386.0
− 2σ
41855.8
+ 3σ
123372.2
− 3σ
33718.1