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Evaluation of S-N curves including failure probabilities using short-time procedures

Materialpruefung/Materials Testing, ISSN: 0025-5300, Vol: 63, Issue: 8, Page: 705-713
2021
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Article Description

In recent years, different short-time procedures have been developed that significantly reduce the experimental effort required to generate S-N curves and thus S-N databases. Methods like StressLife, StrainLife, and SteBLife are some of those which have shown enormous potential in this respect. In this contribution, the practicability of the SteBLife method is shown. Two S-N curve evaluation strategies based on temperature and magnetic field measurements are presented. These take statistical evaluation into account, describing a material's scatter in terms of fatigue life. In order to demonstrate the versatility of the approach and to underline the advantages in terms of effort saved when compared to conventional procedures, the process on how to get the required information obtained is shown for three unalloyed and low-alloyed steels under different heat treatment conditions.

Bibliographic Details

Ruth Acosta; Christian Boller; Markus Doktor; Haoran Wu; Hanna Jost; Fabian Weber; Peter Starke

Walter de Gruyter GmbH

Materials Science; Engineering

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