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This document presents a methodology for estimating fretting fatigue life using a multiaxial stress-based critical distance approach. The method combines the Modified Wöhler Curve Method with shear stress amplitude measurements to evaluate fatigue parameters at a critical distance below the contact surface. Experimental data from Al–4%Cu alloy tests validate the methodology, showing that most fatigue life estimates fall within a factor-of-two accuracy range.
- Author
- foxtrotarthur
- Language
- EN