Reactive Wetting and In-situ Aluminothermic Reduction of Mn Oxides in Continuous Galvanizing Baths

机译：连续镀锌浴中锰氧化物的反应性润湿和原位铝热还原

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The aluminothermic reduction mechanism was studied by galvanizing simulation using a dual-phase steel with 5.1 wt %. Mn. Annealing was carried out in Zn-0.2 wt% dissolved Al bath at 630 and 770℃ for 120 to 2400 s and the surface chemistry and morphology prior to dipping analyzed and the coating quality characterized. Mn segregation to the surface and oxidation was observed for all the annealing conditions and a thick (~ 0.6 urn) Mn oxide film was formed by annealing at 770℃ for 2400 s. The in situ aluminothermic reduction of MnO by bath dissolved Al was characterized by relating the pre-dipping interfacial structure to the post-dipping structures using a variety of characterization techniques. The validity of this postulated mechanism of oxide reduction by the dissolved Al in the continuous galvanizing bath will be discussed based on the results of this investigation.

机译：通过使用5.1 wt％的双相钢通过镀锌模拟研究了铝热还原机理。锰在Zn-0.2 wt％的Al熔池中于630和770℃进行了120至2400 s的退火，并分析了浸渍前的表面化学和形貌，并表征了涂层质量。在所有退火条件下均观察到Mn偏析于表面并氧化，通过在770℃退火2400 s形成了厚（约0.6 um）的Mn氧化膜。通过使用各种表征技术，将浸液前的界面结构与浸液后的结构相关联，来表征熔池中溶解的Al对MnO的原位铝热还原。基于这项研究的结果，将讨论在连续镀锌浴中通过溶解的Al还原这种假定的氧化机理的有效性。

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来源
《AIST steel properties amp; applications conference proceedings combined with MSamp;T' 10 materials science and technology 2010》|2010年|p.757-768|共12页
会议地点 Houston TX(US);Houston TX(US);Houston TX(US)
作者
R. Kavitha; J.R. McDermid;
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作者单位

McMaster Steel Research Centre, McMaster University, Hamilton, ON, Canada;

McMaster Steel Research Centre, McMaster University, Hamilton, ON, Canada;

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会议组织
原文格式 PDF
正文语种 eng
中图分类工程材料一般性问题;
关键词
Annealing; Selective Oxidation; Reactive Wetting; Aluminothermic Reduction;

机译：退火;选择性氧化；反应润湿；铝热还原;

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专利

1. On the in-situ aluminothermic reduction of manganese oxides in continuous galvanizing baths [J] . Kavitha R., McDermid J.R. Surface & Coatings Technology . 2012,第Null期

机译：连续镀锌浴中原位铝热还原锰氧化物
2. Wetting and reactive wetting during hot-dip galvanizing of high Mn alloyed steel with Zn-Al-Mg baths [J] . Blumenau M., Norden M., Schulz J., Surface & Coatings Technology . 2012,第19a20期

机译：高锰合金钢与锌铝镁浴的热浸镀锌过程中的润湿和反应润湿
3. Effect of Annealing Temperature on the Selective Oxidation and Reactive Wetting of a 0.1C-6Mn-2Si Advanced High Strength Steel During Continuous Galvanizing Heat Treatments [J] . Maedeh POURMAJIDIAN, Joseph Robert MCDERMID ISIJ international . 2018,第9期

机译：退火温度对连续镀锌热处理过程中0.1C-6Mn-2Si高强度高强度钢的选择性氧化和反应润湿的影响
4. Reactive Wetting and In-situ Aluminothermic Reduction of Mn Oxides in Continuous Galvanizing Baths [C] . R. Kavitha, J.R. McDermid AIST steel properties applications conference . 2010

机译：在连续镀锌浴中的Mn氧化物反应性润湿和原位铝热还原
5. High temperature reactive separation process for combined carbon dioxide and sulfur dioxide capture from flue gas and enhanced hydrogen production with in-situ carbon dioxide capture using high reactivity calcium and biomineral sorbents. [D] . Iyer, Mahesh V. 2006

机译：高温反应分离工艺，用于从烟道气中捕获二氧化碳和二氧化硫，并使用高反应性钙和生物矿物吸附剂进行原位捕获，从而提高了制氢量。
6. Aluminothermic Reduction of Manganese Oxide from Selected MnO-Containing Slags [O] . Artur Kudyba, Shahid Akhtar, Inge Johansen, 2021

机译：由选定的含汞渣的氧化锰的渗透还原
7. Influence of Minor Alloying Elements on Selective Oxidation and Reactive Wetting of CMnSi TRIP Steel during Hot Dip Galvanizing [O] . Lawrence Cho, Myung Soo Kim, Young Ha Kim, 2014

机译：轻微合金元素对热浸镀锌期间CMNSI跳闸钢选择性氧化和反应润湿的影响
8. UNIFORMLY REACTIVE URANIUM DIOXIDE FROM A SINGLE OXIDATION-REDUCTION CYCLE [R] . N. C. Orrick, C. G. Jones, C. F. Hale 1963

机译：单一氧化还原循环中的均匀反应性二氧化铀

Reactive Wetting and In-situ Aluminothermic Reduction of Mn Oxides in Continuous Galvanizing Baths

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