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  <doc>
    <id>4706</id>
    <completedYear>2023</completedYear>
    <publishedYear>2023</publishedYear>
    <thesisYearAccepted/>
    <language>eng</language>
    <pageFirst/>
    <pageLast/>
    <pageNumber>12 Seiten</pageNumber>
    <edition/>
    <issue>Issue 2, Artikel Nr. 2301401</issue>
    <volume>26 (2024)</volume>
    <type>article</type>
    <publisherName/>
    <publisherPlace/>
    <creatingCorporation/>
    <contributingCorporation/>
    <belongsToBibliography>0</belongsToBibliography>
    <completedDate>2023-11-28</completedDate>
    <publishedDate>2023-11-28</publishedDate>
    <thesisDateAccepted>--</thesisDateAccepted>
    <title language="eng">Integrity Assessment of Electron-Beam-Welded Joints of Additively Manufactured AlSi10Mg Components</title>
    <abstract language="eng">Abstract&#13;
&#13;
Laser-based powder bed fusion of metals (PBF-LB/M) is found to be a promising&#13;
processing method for the fabrication of components with no limits of complexity&#13;
by adding layers upon layers of material. However, drawbacks such as pro-&#13;
ductivity and dimension limitations adversely affect the employment of com-&#13;
ponents processed by additive manufacturing (AM) in envisaged applications.&#13;
This brings welding and joining techniques into play to integrate AM metal parts&#13;
into larger assemblies. In the present study, electron beam welding is used to join&#13;
the AlSi10Mg specimens, fabricated via two different manufacturing processes,&#13;
that is, PBF-LB/M and casting. The main focus is to study the quasistatic and&#13;
fatigue behavior of similar and dissimilar welded joints in different combinations,&#13;
namely AM–AM, AM–cast, and cast–cast, alongside thorough microstructure&#13;
analysis, to investigate the correlation between the microscopic and macroscopic&#13;
properties. Dissimilar welded joints demonstrate inferior material strength. This&#13;
fact can be attributed to the inherent coarse microstructure of the cast material.&#13;
Although similar welded joints of AM components suffer from high porosity in&#13;
the weld zone, they are characterized by a better fatigue life, which can be&#13;
attributed to the equiaxed eutectic microstructure in the welded area.</abstract>
    <parentTitle language="eng">Advanced Engineering Materials</parentTitle>
    <identifier type="doi">10.1002/adem.202301401</identifier>
    <identifier type="url">https://onlinelibrary.wiley.com/doi/10.1002/adem.202301401</identifier>
    <identifier type="issn">1438-1656</identifier>
    <identifier type="urn">urn:nbn:de:hbz:1010-opus4-47066</identifier>
    <enrichment key="opus.doi.autoCreate">false</enrichment>
    <enrichment key="opus.urn.autoCreate">true</enrichment>
    <licence>Creative Commons - Namensnennung - Nicht kommerziell - Keine Bearbeitung</licence>
    <author>Ghazal Moeini</author>
    <author>Mohamed Merghany</author>
    <author>Joerg Vogelsang</author>
    <author>Seyed Vahid Sajadifar</author>
    <author>Jochen Tenkamp</author>
    <author>Thomas Niendorf</author>
    <author>Frank Walther</author>
    <subject>
      <language>eng</language>
      <type>uncontrolled</type>
      <value>additive manufacturing</value>
    </subject>
    <subject>
      <language>eng</language>
      <type>uncontrolled</type>
      <value>AlSi10Mg</value>
    </subject>
    <subject>
      <language>eng</language>
      <type>uncontrolled</type>
      <value>electron beam welding</value>
    </subject>
    <subject>
      <language>eng</language>
      <type>uncontrolled</type>
      <value>high cycle fatigue</value>
    </subject>
    <subject>
      <language>eng</language>
      <type>uncontrolled</type>
      <value>laser-based powder bed fusion of metals</value>
    </subject>
    <subject>
      <language>eng</language>
      <type>uncontrolled</type>
      <value>microstructure analyses</value>
    </subject>
    <collection role="institutes" number="FB 1">Maschinenbau, Umwelt- und Gebäudetechnik</collection>
    <thesisPublisher>Westfälische Hochschule Gelsenkirchen Bocholt Recklinghausen</thesisPublisher>
    <file>https://opus4.kobv.de/opus4-w-hs/files/4706/Adv Eng Mater - 2023 - Moeini - Integrity Assessment of Electron‐Beam‐Welded Joints of Additively Manufactured AlSi10Mg.pdf</file>
  </doc>
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