October 6, 2023 Dataset Open Access

Altstadt, Eberhard

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  <identifier identifierType="DOI">10.14278/rodare.2501</identifier>
  <creators>
    <creator>
      <creatorName>Altstadt, Eberhard</creatorName>
      <givenName>Eberhard</givenName>
      <familyName>Altstadt</familyName>
      <nameIdentifier nameIdentifierScheme="ORCID" schemeURI="http://orcid.org/">0000-0002-1177-2650</nameIdentifier>
    </creator>
  </creators>
  <titles>
    <title>Data publication: Estimation of the yield strength from small punch testing</title>
  </titles>
  <publisher>Rodare</publisher>
  <publicationYear>2023</publicationYear>
  <subjects>
    <subject>small punch test</subject>
    <subject>yield strength</subject>
    <subject>empirical correlation</subject>
    <subject>finite element simulation</subject>
    <subject>plate theory</subject>
  </subjects>
  <dates>
    <date dateType="Issued">2023-10-06</date>
  </dates>
  <resourceType resourceTypeGeneral="Dataset"/>
  <alternateIdentifiers>
    <alternateIdentifier alternateIdentifierType="url">https://rodare.hzdr.de/record/2501</alternateIdentifier>
  </alternateIdentifiers>
  <relatedIdentifiers>
    <relatedIdentifier relatedIdentifierType="URL" relationType="IsIdenticalTo">https://www.hzdr.de/publications/Publ-37624</relatedIdentifier>
    <relatedIdentifier relatedIdentifierType="URL" relationType="IsReferencedBy">https://www.hzdr.de/publications/Publ-37517</relatedIdentifier>
    <relatedIdentifier relatedIdentifierType="DOI" relationType="IsVersionOf">10.14278/rodare.2500</relatedIdentifier>
    <relatedIdentifier relatedIdentifierType="URL" relationType="IsPartOf">https://rodare.hzdr.de/communities/rodare</relatedIdentifier>
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  <rightsList>
    <rights rightsURI="https://creativecommons.org/licenses/by/4.0/legalcode">Creative Commons Attribution 4.0 International</rights>
    <rights rightsURI="info:eu-repo/semantics/openAccess">Open Access</rights>
  </rightsList>
  <descriptions>
    <description descriptionType="Abstract">&lt;p&gt;Finite element simulations of the small punch test are performed.Generic elastic-plastic material properties are used. A systematic variation of the yield stress, ultimate tensile stress and uniform elongation is performed to investigate the effects of these parameters of the uniaxial stress-strain curve on the characteristics of small punch force-deflection curves. Moreover, the effect of sample thickness is studied. It is shown that the currently used elastic-plastic transition force &amp;ndash; obtained by bi-linear fitting &amp;ndash; does not only depend on the yield strength but also on the work hardening behavior of the material. An alternative definition of the elastic-plastic transition force is proposed, which significantly less depends on the work hardening of the material. The approach is based on the deviation of the force-deflection curve from the analytical elastic slope derived by Reissner&amp;#39;s plate theory. The new definition of the transition force leads to significantly reduced dependence of the correlation factor on the geometry of the small punch set-up.&lt;/p&gt;</description>
  </descriptions>
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