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Table 6 Master S–N fitting curve parameters of FSW

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