Manufacturing Technology 2017, 17(6):958-962 | DOI: 10.21062/ujep/x.2017/a/1213-2489/MT/17/6/958

Fatigue Properties of the Aluminium Alloy AW-5182 in dependence on Deformation

Jiri Sobotka, Pavel Solfronk, Michaela Kolnerova, David Korecek
Faculty of Mechanical Engineering, Technical University of Liberec. Studentská 1402/2, 461 17 Liberec. Czech Republic

Fatigue properties of the constructional materials belong among the very important material parameters, mainly because they are very closely related with the total fatigue life of the part. Knowledge of the boundary between limited and infinite (endurance) life represents a truly very important fatigue parameter. This paper deals with the influence of pre-deformation on aluminium alloy AW-5182 fatigue properties. These tests were performed under fully reversed harmonic cycle (max/min stress ratio R = -1). As a major aim there was determination of so-called S-N curves (stress vs. number of cycles) and their mathematical description by the Basquin's equation via fatigue strenght coefficient σf' [MPa] and fatigue strength exponent b [1]. Measured S-N curves gave a basic overview about the basic pre-deformation influence on the alluminium alloy AW-5182 fatigue properties.

Keywords: Fatigue, Alluminium Alloy AW-5182, Basquin's Equation, Endurance Limit, S-N Curves

Published: December 1, 2017  Show citation

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Sobotka J, Solfronk P, Kolnerova M, Korecek D. Fatigue Properties of the Aluminium Alloy AW-5182 in dependence on Deformation. Manufacturing Technology. 2017;17(6):958-962. doi: 10.21062/ujep/x.2017/a/1213-2489/MT/17/6/958.
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