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    <title language="deu">Dilatometerbasierte Schweißsimulation: ZTU-Diagramme und Untersuchung der Wärmeeinflusszonen in Pipelinestählen</title>
    <abstract language="deu">Präsentation des Forschungsprojekts "Wasserstoffabhängige mechanische Eigenschaften der Schweißnahtgefüge niedriglegierter Stähle für Ferngasleitungen" und der bisherigen Ergebnisse auf der 28. Konferenz aller Werkstofftechnischen und Materialwissenschaftlichen Studiengänge (KaWuM) an der TU Ilmenau.</abstract>
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    <title language="deu">Nachbildung der Schweißgefüge von Pipelinestählen durch Dilatometerversuche: ZTU-Diagramme und Wärmeeinflusszonen im Fokus</title>
    <abstract language="eng">This study investigates the suitability of low-alloy pipeline steels for hydrogen transportation, focusing on the development of weld microstructures. Previous research has been limited by a deficiency in the understanding of how different microstructural components respond to trapped hydrogen. By developing Continuous Cooling Transformation (CCT) diagrams through dilatometry analysis, this study explores the impact of t8/5-cooling times (the time between 800 °C and 500 °C) on the microstructure and mechanical properties of the HAZ compared to the base material. The findings provide valuable insights into how cooling times influence transformation temperatures and microstructure development, which, in turn, affect hydrogen diffusion and absorption. These findings establish a foundation for future investigations into hydrogen's impact on weld microstructures, including experimental studies, with the aim of optimizing welding practices and enhancing resistance to hydrogen-assisted cracking. Ultimately, this research contributes to improving the safety and reliability of hydrogen transportation systems in commonly used industrial pipeline steels.</abstract>
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    <author>Gero Fey</author>
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      <value>Pipelinestahl</value>
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    <title language="deu">Ermittlung wasserstoffabhängiger, mechanischer Eigenschaften der Schweißnahtgefüge niedriglegierter Stähle für Ferngasleitungen</title>
    <abstract language="eng">This study investigates the suitability of low-alloy pipeline steels for hydrogen transportation, focusing on the development of weld microstructures. Previous research has been limited by a deficiency in the understanding of how different microstructural components respond to trapped hydrogen. By developing Continuous Cooling Transformation (CCT) diagrams through dilatometry analysis, this study explores the impact of t8/5-cooling times (the time between 800 °C and 500 °C) on the microstructure and mechanical properties of the HAZ compared to the base material. The findings provide valuable insights into how cooling times influence transformation temperatures and microstructure development, which, in turn, affect hydrogen diffusion and absorption. These findings establish a foundation for future investigations into hydrogen's impact on weld microstructures, including experimental studies, with the aim of optimizing welding practices and enhancing resistance to hydrogen-assisted cracking. Ultimately, this research contributes to improving the safety and reliability of hydrogen transportation systems in commonly used industrial pipeline steels.</abstract>
    <enrichment key="eventName">DVM-Workshop "Werkstoffe für die Wasserstoffinfrastruktur – von der Werkstoffentwicklung bis zum Einsatz im Bauteil"</enrichment>
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    <author>Gero Fey</author>
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      <language>deu</language>
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  <doc>
    <id>63098</id>
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    <title language="eng">Dilatometry Based Determination of Continuous Cooling Transformation (CCT) Diagrams in Low Alloy Pipeline Steels for Hydrogen transportation</title>
    <abstract language="eng">This study investigates the suitability of low-alloy pipeline steels for hydrogen transportation, focusing on the development of weld microstructures. Previous research has been limited by a deficiency in the understanding of how different microstructural components respond to trapped hydrogen. By developing Continuous Cooling Transformation (CCT) diagrams through dilatometry analysis, this study explores the impact of t8/5-cooling times (the time between 800 °C and 500 °C) on the microstructure and mechanical properties of the HAZ compared to the base material. The findings provide valuable insights into how cooling times influence transformation temperatures and microstructure development, which, in turn, affect hydrogen diffusion and absorption. These findings establish a foundation for future investigations into hydrogen's impact on weld microstructures, including experimental studies, with the aim of optimizing welding practices and enhancing resistance to hydrogen-assisted cracking. Ultimately, this research contributes to improving the safety and reliability of hydrogen transportation systems in commonly used industrial pipeline steels.</abstract>
    <enrichment key="eventName">20th Pipeline Technology Conference</enrichment>
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    <author>Gero Fey</author>
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      <language>eng</language>
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