<?xml version="1.0" encoding="utf-8"?>
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  <doc>
    <id>42502</id>
    <completedYear/>
    <publishedYear>2017</publishedYear>
    <thesisYearAccepted/>
    <language>eng</language>
    <pageFirst>495</pageFirst>
    <pageLast>503</pageLast>
    <pageNumber/>
    <edition>1</edition>
    <issue/>
    <volume/>
    <type>bookpart</type>
    <publisherName>ASME</publisherName>
    <publisherPlace>New York, USA</publisherPlace>
    <creatingCorporation/>
    <contributingCorporation/>
    <belongsToBibliography>0</belongsToBibliography>
    <completedDate>--</completedDate>
    <publishedDate>--</publishedDate>
    <thesisDateAccepted>--</thesisDateAccepted>
    <title language="eng">Influence of experimental conditions and calculation method on hydrogen diffusion coefficient evaluation at elevated temperatures</title>
    <abstract language="eng">Literature provides a wide range of hydrogen diffusion coefficients for low alloyed steels used in power plants. In fact, experimental boundary conditions and calculation methods have influence on the determination of these coefficients. The diffusion and trapping behavior in creep-resistant steel 7CrMoVTiB10-10 has been studied. Based on experimental carrier gas hot extraction (CGHE) data, a numerical model has been developed to describe the hydrogen transport and respective hydrogen distribution at elevated temperatures. The numerical results suggest that common calculation methods for diffusion coefficients are limited for experimental data analysis. The sample preparation time before CGHE experiment influences the determined diffusion coefficients with the consequence that non-homogeneous hydrogen concentration profiles have to be considered in the simulations.</abstract>
    <parentTitle language="eng">International Hydrogen Conference (IHC 2016): Materials Performance in Hydrogen Environments</parentTitle>
    <identifier type="isbn">978-0-7918-6138-7</identifier>
    <identifier type="doi">10.1115/1.861387_ch56</identifier>
    <author>Michael Rhode</author>
    <author>C. Münster</author>
    <author>Tobias Mente</author>
    <author>Thomas Böllinghaus</author>
    <subject>
      <language>eng</language>
      <type>uncontrolled</type>
      <value>Temperature effect</value>
    </subject>
    <subject>
      <language>eng</language>
      <type>uncontrolled</type>
      <value>Hydrogen diffusion</value>
    </subject>
    <subject>
      <language>eng</language>
      <type>uncontrolled</type>
      <value>Creep-resistant steel</value>
    </subject>
    <subject>
      <language>eng</language>
      <type>uncontrolled</type>
      <value>Hydrogen assisted cracking</value>
    </subject>
    <subject>
      <language>eng</language>
      <type>uncontrolled</type>
      <value>Carrier gas hot extraction</value>
    </subject>
    <collection role="ddc" number="543">Analytische Chemie</collection>
    <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>
