1 Ocak 2013 Dergi makalesi Açık Erişim

Birol, Yucel

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  <identifier identifierType="URL">https://aperta.ulakbim.gov.tr/record/91911</identifier>
  <creators>
    <creator>
      <creatorName>Birol, Yucel</creatorName>
      <givenName>Yucel</givenName>
      <familyName>Birol</familyName>
    </creator>
  </creators>
  <titles>
    <title>Optimization Of Homogenization For A Low Alloyed Almgsi Alloy</title>
  </titles>
  <publisher>Aperta</publisher>
  <publicationYear>2013</publicationYear>
  <dates>
    <date dateType="Issued">2013-01-01</date>
  </dates>
  <resourceType resourceTypeGeneral="Text">Journal article</resourceType>
  <alternateIdentifiers>
    <alternateIdentifier alternateIdentifierType="url">https://aperta.ulakbim.gov.tr/record/91911</alternateIdentifier>
  </alternateIdentifiers>
  <relatedIdentifiers>
    <relatedIdentifier relatedIdentifierType="DOI" relationType="IsIdenticalTo">10.1016/j.matchar.2013.03.013</relatedIdentifier>
  </relatedIdentifiers>
  <rightsList>
    <rights rightsURI="http://www.opendefinition.org/licenses/cc-by">Creative Commons Attribution</rights>
    <rights rightsURI="info:eu-repo/semantics/openAccess">Open Access</rights>
  </rightsList>
  <descriptions>
    <description descriptionType="Abstract">The homogenization practice for EN AW 6060 was investigated. It takes an 8-hour soak at 580 degrees C to level out the Mg and Si distribution in the matrix and to transform the monoclinic beta-Al5FeSi plates into relatively small alpha-AlFeSi particles. The solute Si and Mg are largely retained in solution during subsequent cooling at &amp;gt;500 degrees C h(-1). Mg2Si precipitation is considerable, however, during cooling at &amp;lt;250 degrees C h(-1), producing a hardness decrease from 39.5 +/- 1.4 HV to 34.4 +/- 0.2 HV, by 15%, over the range investigated. The solvus temperatures of the homogenized samples are below 500 degrees C regardless of the cooling rate, ensuring full solutionizing of the Mg2Si precipitates below the typical industrial press exit temperatures. An 8 hour soak at 580 degrees C followed by cooling at 250 degrees C h(-1) is identified to be the optimum homogenization treatment as it gives a homogeneous structure with predominantly round alpha(c)-Al-12(Fe,Mn)(3)Si particles and sufficiently low hardness for improved extrudability and a solvus temperature below 500 degrees C to ensure adequate age hardening capacity. (C) 2013 Elsevier Inc. All rights reserved.</description>
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