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  <doc>
    <id>19041</id>
    <completedYear/>
    <publishedYear>2008</publishedYear>
    <thesisYearAccepted/>
    <language>eng</language>
    <pageFirst>1</pageFirst>
    <pageLast>19</pageLast>
    <pageNumber/>
    <edition/>
    <issue>Paper No. 08447</issue>
    <volume/>
    <type>article</type>
    <publisherName>National Association of Corrosion Engineers</publisherName>
    <publisherPlace>Houston, Tex.</publisherPlace>
    <creatingCorporation/>
    <contributingCorporation/>
    <belongsToBibliography>1</belongsToBibliography>
    <completedDate>--</completedDate>
    <publishedDate>--</publishedDate>
    <thesisDateAccepted>--</thesisDateAccepted>
    <title language="eng">Influence of pressure and chromium content on corrosion reactions at 600°C in a CO2-H2O atmosphere</title>
    <parentTitle language="eng">Corrosion</parentTitle>
    <identifier type="old">21232</identifier>
    <identifier type="issn">0010-9312</identifier>
    <identifier type="issn">1938-159X</identifier>
    <enrichment key="bibliotheksstandort">Sonderstandort: Publica-Schrank</enrichment>
    <enrichment key="eventName">NACE - International Corrosion Conference</enrichment>
    <enrichment key="eventPlace">New Orleans, USA</enrichment>
    <enrichment key="eventStart">2008-03-16</enrichment>
    <enrichment key="eventEnd">2008-03-20</enrichment>
    <enrichment key="date_peer_review">06.03.2009</enrichment>
    <author>Daniela Hünert</author>
    <author>Axel Kranzmann</author>
    <subject>
      <language>eng</language>
      <type>uncontrolled</type>
      <value>High temperature corrosion</value>
    </subject>
    <subject>
      <language>eng</language>
      <type>uncontrolled</type>
      <value>Corrosive gases</value>
    </subject>
    <subject>
      <language>eng</language>
      <type>uncontrolled</type>
      <value>Mild steels</value>
    </subject>
    <subject>
      <language>eng</language>
      <type>uncontrolled</type>
      <value>9-12% Cr-steels</value>
    </subject>
    <subject>
      <language>eng</language>
      <type>uncontrolled</type>
      <value>Pressure effect</value>
    </subject>
    <collection role="literaturgattung" number="">Verlagsliteratur</collection>
    <collection role="fulltextaccess" number="">Physisches Exemplar in der Bibliothek der BAM vorhanden ("Hardcopy Access")</collection>
  </doc>
  <doc>
    <id>23217</id>
    <completedYear/>
    <publishedYear>2010</publishedYear>
    <thesisYearAccepted/>
    <language>eng</language>
    <pageFirst>126001-1 - 126001-7</pageFirst>
    <pageLast/>
    <pageNumber/>
    <edition/>
    <issue>12</issue>
    <volume>66</volume>
    <type>article</type>
    <publisherName>National Association of Corrosion Engineers</publisherName>
    <publisherPlace>Houston, Tex.</publisherPlace>
    <creatingCorporation/>
    <contributingCorporation/>
    <belongsToBibliography>1</belongsToBibliography>
    <completedDate>--</completedDate>
    <publishedDate>--</publishedDate>
    <thesisDateAccepted>--</thesisDateAccepted>
    <title language="eng">Corrosion behavior of ferritic and martensitic power plant steels under conditions of dual atmospheres</title>
    <abstract language="eng">The most efficient construction materials for boiler water walls and superheaters in steam power plants are ferritic and martensitic steels. In practical operation, tubes are exposed simultaneously to combustion gas and air/steam on their opposite surfaces. The corrosion behavior of ferritic-martensitic steels under such dual atmospheres is nondistinctive and has been investigated in a specially designed test equipment between 500°C and 620°C. The power plant conditions were simulated with a flowing and pressurized (80 bar) combustion gas on the inner side of the tube, which contains water (H2O) and carbon dioxide (CO2). On the outer side, tube material was exposed to air. Oxides that formed on the air side under dual atmosphere conditions were significantly different from the oxide scales formed when the alloy was exposed to air only. It is assumed that the anomalous corrosion behavior during the dual atmosphere exposure is due to hydrogen and carbon diffusion through the bulk alloy from the combustion gas side to the air side. Both species are produced when the material reacts with the gas phase. Because of its high diffusivity, hydrogen is thought to affect the corrosion process on the air side from the beginning of the corrosion exposure, whereas carbon reaches the opposite side after a considerably longer time period.</abstract>
    <parentTitle language="eng">Corrosion</parentTitle>
    <identifier type="old">25789</identifier>
    <identifier type="issn">0010-9312</identifier>
    <identifier type="issn">1938-159X</identifier>
    <enrichment key="bibliotheksstandort">Sonderstandort: Publica-Schrank</enrichment>
    <enrichment key="date_peer_review">10.02.2011</enrichment>
    <author>Daniela Hünert</author>
    <author>Wencke Schulz</author>
    <author>Axel Kranzmann</author>
    <subject>
      <language>eng</language>
      <type>uncontrolled</type>
      <value>Chromium steels</value>
    </subject>
    <subject>
      <language>eng</language>
      <type>uncontrolled</type>
      <value>Corrosive gases</value>
    </subject>
    <subject>
      <language>eng</language>
      <type>uncontrolled</type>
      <value>Dual atmosphere</value>
    </subject>
    <subject>
      <language>eng</language>
      <type>uncontrolled</type>
      <value>High-temperature corrosion</value>
    </subject>
    <subject>
      <language>eng</language>
      <type>uncontrolled</type>
      <value>Hydrogen transport</value>
    </subject>
    <subject>
      <language>eng</language>
      <type>uncontrolled</type>
      <value>Mild steel</value>
    </subject>
    <collection role="literaturgattung" number="">Verlagsliteratur</collection>
    <collection role="fulltextaccess" number="">Physisches Exemplar in der Bibliothek der BAM vorhanden ("Hardcopy Access")</collection>
  </doc>
  <doc>
    <id>22335</id>
    <completedYear/>
    <publishedYear>2009</publishedYear>
    <thesisYearAccepted/>
    <language>eng</language>
    <pageFirst>1</pageFirst>
    <pageLast>10 (Paper 09263)</pageLast>
    <pageNumber/>
    <edition/>
    <issue/>
    <volume/>
    <type>conferenceobject</type>
    <publisherName/>
    <publisherPlace/>
    <creatingCorporation>The National Association of Corrosion Engineers (NACE)</creatingCorporation>
    <contributingCorporation/>
    <belongsToBibliography>0</belongsToBibliography>
    <completedDate>--</completedDate>
    <publishedDate>--</publishedDate>
    <thesisDateAccepted>--</thesisDateAccepted>
    <title language="eng">Corrosion behaviour of ferritic and martensitic power plant steels under conditions of dual atmospheres</title>
    <abstract language="eng">The most efficient construction materials for boiler water walls and superheaters in
steam power plants are ferritic and martensitic steels. In practical operation tubes are
simultaneously exposed to combustion gas and air/steam on their opposite surfaces. The
corrosion behaviour of ferritic-martensitic steels under such dual atmospheres is nondistinctive
and has therefore been investigated in a special designed test equipment between 500 and
620°C. The power plant conditions were simulated wi th a flowing and pressurised (80 bar)
combustion gas on the inner side of the tube which mainly consists of H2O and/or CO2. On the
outer side, the tube material was exposed to air. It was discovered that under similar
temperatures the oxides formed on the air side under dual atmosphere conditions were
significantly different to the oxide scales formed when the alloy was exposed to air only. It is
assumed that the anomalous corrosion behaviour during the dual atmosphere exposure is due
to the hydrogen transport through the bulk alloy from the combustion gas side to the air side.</abstract>
    <parentTitle language="eng">NACE International corrosion conference 2009 (Proceedings)</parentTitle>
    <identifier type="old">24855</identifier>
    <enrichment key="bibliotheksstandort">Sonderstandort: Publica-Schrank</enrichment>
    <enrichment key="eventName">NACE International corrosion conference 2009</enrichment>
    <enrichment key="eventPlace">Atlanta, Georgia, USA</enrichment>
    <enrichment key="eventStart">2009-03-22</enrichment>
    <enrichment key="eventEnd">2009-03-26</enrichment>
    <author>Daniela Hünert</author>
    <author>Wencke Schulz</author>
    <author>Heike Nitschke</author>
    <author>Romeo Saliwan Neumann</author>
    <author>Gabriele Oder</author>
    <author>Axel Kranzmann</author>
    <subject>
      <language>eng</language>
      <type>uncontrolled</type>
      <value>High temperature corrosion</value>
    </subject>
    <subject>
      <language>eng</language>
      <type>uncontrolled</type>
      <value>Dual atmosphere</value>
    </subject>
    <subject>
      <language>eng</language>
      <type>uncontrolled</type>
      <value>Corrosive gases</value>
    </subject>
    <subject>
      <language>eng</language>
      <type>uncontrolled</type>
      <value>Mild steels</value>
    </subject>
    <subject>
      <language>eng</language>
      <type>uncontrolled</type>
      <value>9-12% Cr-steels</value>
    </subject>
    <subject>
      <language>eng</language>
      <type>uncontrolled</type>
      <value>Hydrogen transport</value>
    </subject>
    <collection role="fulltextaccess" number="">Physisches Exemplar in der Bibliothek der BAM vorhanden ("Hardcopy Access")</collection>
    <collection role="literaturgattung" number="">Graue Literatur</collection>
  </doc>
</export-example>
