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    12th International Conference on Zinc & Zinc Alloy Coated Steel Sheet - GALVATECH 2021

    21–23 Jun 2021 Virtual Conference
    Virtuel Conference
    Europe/Vienna timezone
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    Session

    Origins of Hydrogen Embrittlement

    C
    23 Jun 2021, 08:30
    Virtuel Conference

    Virtuel Conference

    Conveners

    Origins of Hydrogen Embrittlement

    • Louis Bordignon (CRM group)
    • Takuya Mitsunobu

    Presentation materials

    There are no materials yet.

    1. 60. EFFECT OF ANNEALING ATMOSPHERE ON HYDROGEN EMBRITTLEMENT OF ADVANCE HIGH STRENTH STEEL
      JoungHyun La (Hyundai steel)
      23/06/2021, 08:30
      Hydrogen Embrittlement
      Oral Presentation
      Recently, the tendency to improve the fuel efficiency by reducing the weight of the car body and using advanced high strength steel(AHSS) has affected the automotive industry. In order to secure the strength of the AHSS above 1Gpa, various elements such as Mn, Si, and Al are added. Additionally, annealing process is performed at high temperature to form an austenite phase and at high hydrogen...
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    2. 95. INFLUENCE OF Zn-BASED COATING ALLOYS ON HYDROGEN DIFFUSION AND CORROSION RESISTANCE IN A DP STEEL
      Mélodie MANDY (CRM group)
      23/06/2021, 08:50
      Hydrogen Embrittlement
      Oral Presentation

      In advanced high strength automotive steels, small amounts of diffusible hydrogen can lead to a deterioration of mechanical performances, especially a loss of ductility, in the simultaneous presence of internal stresses and of a sensitive microstructure. In the hot-dip galvanizing process, hydrogen is mainly absorbed during high temperature operations in hydrogen-containing atmospheres before...

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    3. 114. CHARACTERIZATION OF RESIDUAL STRESSES AT SHEARED, MILLED AND LASER CUT EDGES IN MARTENSITIC STEELS
      Sven Erik Hörnström (SSAB EMEA AB)
      23/06/2021, 09:10
      Hydrogen Embrittlement
      Oral Presentation
      High strength steels are increasingly used, particularly by the automotive industry where reduction of vehicle weight and emission of greenhouse gases have high priority. With increasing strength, the material becomes more sensitive to hydrogen embrittlement. Hydrogen can enter the steel during the production process, for instance when electro galvanizing. The combination of a sensitive...
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    4. 183. INVESTIGATIONS ON CORROSION BEHAVIOR AND HYDROGEN EMBRITTLEMENT SUSCEPTIBILITY OF GALVANIZED DUAL-PHASE STEEL
      Ines Traxler (CEST Competence Center for Electrochemical Surface Technology, Linz, Austria)
      23/06/2021, 09:30
      Hydrogen Embrittlement
      Oral Presentation

      One of the most important aspects for a material used in automotive industry is the reliability in service regarding corrosion resistance, safety and functionality. However, hydrogen embrittlement can cause a dramatic deterioration of mechanical properties, especially in case of advanced high strength steels (AHSS). Thus, it is essential to clarify the mechanisms of hydrogen insertion into the...

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    5. 167. IN SITU INVESTIGATION OF HYDROGEN ENTRY AND HYDROGEN EMBRITTLEMENT OF ZINC-COATED HIGH STRENGTH STEELS INDUCED BY ATMOSPHERIC CORROSION
      Tomas Prosek (University of Chemistry and Technology Prague)
      23/06/2021, 09:50
      Hydrogen Embrittlement
      Oral Presentation

      Hydrogen embrittlement of advanced high strength steels (AHSSs) in atmospheric exposure conditions is of utmost importance for automotive industry as the application of AHSSs grows steadily due to desirable mechanical properties. Different aspects of the hydrogen embrittlement phenomenon such as hydrogen entry caused by atmospheric corrosion reactions are currently under intensive research. ...

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