Preprint Article Version 1 Preserved in Portico This version is not peer-reviewed

Simulation-based Understanding of the Critical Resolved Shear Stress Relevance for the Fatigue Performance of Metallic Materials

Version 1 : Received: 4 March 2020 / Approved: 5 March 2020 / Online: 5 March 2020 (11:33:05 CET)

How to cite: Mlikota, M.; Schmauder, S. Simulation-based Understanding of the Critical Resolved Shear Stress Relevance for the Fatigue Performance of Metallic Materials. Preprints 2020, 2020030083 (doi: 10.20944/preprints202003.0083.v1). Mlikota, M.; Schmauder, S. Simulation-based Understanding of the Critical Resolved Shear Stress Relevance for the Fatigue Performance of Metallic Materials. Preprints 2020, 2020030083 (doi: 10.20944/preprints202003.0083.v1).

Abstract

The paper introduces a valuable new description of fatigue strength in relation to material properties and thus a new perspective on the overall understanding of the fatigue process. Namely, a relation between the endurance limits and the accompanying values of the critical resolved shear stress (CRSS) for various metallic materials has been discovered by means of a multiscale approach for fatigue simulation. Based on the uniqueness of the relation, there is a strong indication that it is feasible to relate the endurance limit to the CRSS, and not to the ultimate strength as often done in the past.

Subject Areas

multiscale simulation; fatigue; metals; CRSS; endurance limit

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