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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

    Fundamentals on Surface Oxidation and Wettability

    A
    23 Jun 2021, 08:30
    Virtuel Conference

    Virtuel Conference

    Conveners

    Fundamentals on Surface Oxidation and Wettability

    • Eduardo Silva (United States Steel Corporation)
    • GUANGRUI JIANG (Shougang Group)

    Presentation materials

    There are no materials yet.

    1. 206. IMPROVEMENT OF WETTABILITY BETWEEN STEEL AND LIQUID Zn-Al ALLOY BY FORCED WETTING
      Marie-Laurence Giorgi (CentraleSupélec)
      23/06/2021, 08:30
      Fundamentals on Solid - Liquid Interfacial Reactions
      Oral Presentation

      The main objective of the present work was to investigate the forced wetting of a partly oxidized steel by a liquid Zn - Al (0.2 wt. %) alloy. The wetting experiments are performed by means of the dispensed drop technique. The wetting is shown to be reactive with the formation of Fe2Al5Znx. The evolution of the contact angle and spreading diameter is determined as a function of spreading time....

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    2. 20. MITIGATION OF THE ADVERSE EFFECTS OF INCREASING Si CONTENT IN A CMnSi ADVANCED HIGH STRENGTH STEEL VIA CONTROLLING ANNEALING ATMOSPHERE pO2 AND MINOR Sn ADDITION DURING CONTINUOUS GALVANIZING
      Ghazal Seyed Mousavi (McMaster Steel Research Center, McMaster University, Hamilton, Canada)
      23/06/2021, 08:50
      Challenges in Galvanizing Advanced High Strength Steels (GI, GA,…)
      Oral Presentation
      Effects of Si content on the selective oxidation and reactive wetting of two grades of Fe-0.1C-2Mn-xSi (wt.%) (x=1.3 and 1.7 wt.%) advanced high strength steel arising from continuous galvanizing heat treatments were investigated in this research. Experimental steels were intercritically annealed for 120 s in a N2-5 vol.% H2 gas atmosphere at dew points of –50 °C, –30 C and +5 C and...
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    3. 43. AHSS SURFACE OXIDE PHASE FORMATION DURING ANNEALING AND PREDICTING THEIR TYPE USING GIBBS ENERGY MINIMIZATION (GEM) THERMODYNAMIC PRINCIPLE
      Daniel Liu (Teck Metals Limited), Venu Krishnardula (ArcelorMittal Global R&D)
      23/06/2021, 09:10
      Challenges in Galvanizing Advanced High Strength Steels (GI, GA,…)
      Oral Presentation

      In order to improve fuel efficiency and to reduce carbon emissions, automakers are using advanced high strength steels (AHSS) to lightweight vehicles without compromising passenger safety. In manufacturing, the steel sheet is annealed in a continuous galvanizing line (CGL) to achieve the desired mechanical properties. During annealing, alloying elements such as Si, Mn, Cr, Al, etc. in the...

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    4. 27. REACTIVE WETTING OF MEDIUM-Mn ADVANCED HIGH-STRENGTH STEELS BY A Zn-Al-Mg BATH
      Maedeh Pourmajidian (Steel Research Centre, McMaster University)
      23/06/2021, 09:30
      Challenges in Galvanizing Advanced High Strength Steels (GI, GA,…)
      Oral Presentation
      Two medium-Mn advanced high strength steels, a reference 0.1C-6Mn-2Si alloy and a 0.05 wt pct Sn added grade, were hot-dip galvanized in a conventional Zn-0.2Al and a Zn-2Al-2Mg bath in order to compare the reactive wetting behavior of these model third generation alloys. Despite being known for providing superior corrosion protection and higher performance, the steels immersed in the Zn-Al-Mg...
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