Mean stress effect for shafts and axles

Full title:

06/2015 – 11/2017

Contributors:

Dipl.-Ing. Kai Neikes (TU Dresden, IMM)
Dipl.-Ing. Sebastian Vetter (TU Chemnitz, IKAT)

• The German Federation of Industrial Research Associations (AIF)
• Forschungsvereinigung Antriebstechnik (FVA)

• Institut für Konstrukions-und Antriebstechnik (IKAT)
• Technical University Chemnitz

• Determination of the mean stress effect on shafts and axles
• Investigation of influencing parameters: Material, geometry and load on the fatigue strength at mean stresses
• Improvement strength verification for shafts and axles

• Theoretical and experimental investigations
• Theoretical investigation: Evaluation and processing of test results from literature, FE analysis to determine local stresses and calculation of plastic deformations at mean stresses
• Experimental investigation: Experiments with five different notch geometries, three materials at tension/compression with tension mean stress and rotating bending with static torsion

• Determination of the mean stress effect on shafts and axles
• Method for calculating the mean stress effect
• Proposal for strength verification with mean stresses