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  <doc>
    <id>42505</id>
    <completedYear/>
    <publishedYear>2017</publishedYear>
    <thesisYearAccepted/>
    <language>eng</language>
    <pageFirst>416</pageFirst>
    <pageLast>422</pageLast>
    <pageNumber/>
    <edition/>
    <issue/>
    <volume/>
    <type>conferenceobject</type>
    <publisherName/>
    <publisherPlace/>
    <creatingCorporation>The American Society of Mechanical Engineers (ASME)</creatingCorporation>
    <contributingCorporation/>
    <belongsToBibliography>0</belongsToBibliography>
    <completedDate>--</completedDate>
    <publishedDate>--</publishedDate>
    <thesisDateAccepted>--</thesisDateAccepted>
    <title language="eng">Measurement of hydrogen distributions in metals by neutron radiography and tomography</title>
    <abstract language="eng">Neutron imaging has become a valuable tool for measuring hydrogen distributions qualitatively and quantitatively in metals. Hydrogen mass flow can be measured inside cm thick Steel samples with 10 s temporal resolution. Hydrogen accumulations around craclcs in embrittled iron samples can be visualized three-dimensionally. The gas pressure of hydrogen in crack cavities has been measured to be in the ränge of 5 MPa to 15 MPa. This quality of information allows new insights for the analysis of damage mechanisms on a micrometer scale, e.g., of hydrogen blistering. Further, this method is nondestructive and provides local information in situ and in three dimensions with a spatial resolution of 20 µm - 30 µm.</abstract>
    <parentTitle language="eng">Material Perfomance in Hydrogen Environments - Proceedings of the 2016 International Hydrogen Conference</parentTitle>
    <identifier type="isbn">978-0-7918-6138-7</identifier>
    <identifier type="doi">10.1115/1.861387_ch46</identifier>
    <enrichment key="eventName">International Hydrogen Conference 2016</enrichment>
    <enrichment key="eventPlace">Jackson Lake Lodge, Wyoming, USA</enrichment>
    <enrichment key="eventStart">11.09.2017</enrichment>
    <enrichment key="eventEnd">14.09.2016</enrichment>
    <author>Axel Griesche</author>
    <author>Beate Pfretzschner</author>
    <author>Thomas Schaupp</author>
    <author>Thomas Kannengießer</author>
    <author>N. Kardjilov</author>
    <subject>
      <language>eng</language>
      <type>uncontrolled</type>
      <value>Hydrogen</value>
    </subject>
    <subject>
      <language>eng</language>
      <type>uncontrolled</type>
      <value>Neutron imaging</value>
    </subject>
    <subject>
      <language>eng</language>
      <type>uncontrolled</type>
      <value>Neutron radiography</value>
    </subject>
    <subject>
      <language>eng</language>
      <type>uncontrolled</type>
      <value>Neutron tomography</value>
    </subject>
    <collection role="ddc" number="620">Ingenieurwissenschaften und zugeordnete Tätigkeiten</collection>
    <collection role="literaturgattung" number="">Verlagsliteratur</collection>
    <collection role="fulltextaccess" number="">Datei im Netzwerk der BAM verfügbar ("Closed Access")</collection>
  </doc>
</export-example>
