Influence of Pre-Strain on Static and Fatigue Properties of S420M Steel

This paper reports the results of static tensile and low-cycle fatigue tests on S420M steel specimens. As-received (unstrained) and pre-strained specimens were used during the tests. Based on the static tensile tests carried out, no effect of pre-strain on the basic strength parameters of the S420M...

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Bibliographic Details
Published inMaterials Vol. 16; no. 2; p. 590
Main Authors Mroziński, Stanisław, Lipski, Adam, Piotrowski, Michał, Egner, Halina
Format Journal Article
LanguageEnglish
Published Switzerland MDPI AG 07.01.2023
MDPI
Subjects
Aluminum alloys
Crack initiation
durability
Fatigue life
Fatigue tests
Low cycle fatigue
Metal fatigue
pre-strain
Structural steels
Temperature
Tensile tests
pre-strain
low-cycle fatigue
durability
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Summary:This paper reports the results of static tensile and low-cycle fatigue tests on S420M steel specimens. As-received (unstrained) and pre-strained specimens were used during the tests. Based on the static tensile tests carried out, no effect of pre-strain on the basic strength parameters of the S420M steel was found. Low-cycle fatigue tests showed that the pre-strain of the specimens causes a change in the cyclic properties of the steel and a slight increase in fatigue life compared to that of the as-received specimens. The greatest increase in durability was observed at the lowest strain levels.
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ISSN:1996-1944
1996-1944
DOI:10.3390/ma16020590