The role of surface oxides on annealed high-strength steels in hot-dip galvanizing

R. Sagl; A. Jarosik; D. Stifter; G. Angeli

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The role of surface oxides on annealed high-strength steels in hot-dip galvanizing

机译：表面氧化物对高强度退火钢在热浸镀锌中的作用

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Oxidized alloying elements on the surface of annealed advanced high-strength steels deteriorate zinc wetting during hot-dip galvanizing. The present work describes reactions taking place during immersion of a steel strip in a zinc bath and gives new insight in changes of the surface oxides during hot-dipping. By using different advanced analysis techniques a direct proof for the occurrence of an aluminothermic reduction of Mn-oxides by Al dissolved in the zinc bath is shown. Furthermore, the morphology - rather than the chemical composition - of the surface oxides is crucial for obtaining a satisfactory galvanizabil-ity, mandatory for efficient corrosion prevention.

机译：退火的高强度高强度钢表面的氧化合金元素会在热浸镀锌过程中使锌润湿性恶化。本工作描述了钢带浸入锌浴过程中发生的反应，并提供了热浸过程中表面氧化物变化的新见解。通过使用不同的高级分析技术，显示了溶解在锌浴中的Al发生Mn氧化物铝热还原的直接证据。此外，表面氧化物的形态而不是化学组成对于获得令人满意的镀锌性至关重要，这对于有效的防腐蚀是必不可少的。

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来源
《Corrosion science》 |2013年第5期|268-275|共8页
作者
R. Sagl; A. Jarosik; D. Stifter; G. Angeli;
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作者单位

Voestalpine Stahl GmbH, Voestalpine Straβe 3, 4031 Linz, Austria,Christian Doppler Laboratory for Microscopic and Spectroscopic Material Characterisation (CDL-MS-MACH). Center for Surface and Nanoanalytics (ZONA), Johannes Kepler Universitat Linz, Altenbergerstrafie 69, 4040 Linz, Austria;

Voestalpine Stahl GmbH, Voestalpine Straβe 3, 4031 Linz, Austria;

Christian Doppler Laboratory for Microscopic and Spectroscopic Material Characterisation (CDL-MS-MACH). Center for Surface and Nanoanalytics (ZONA), Johannes Kepler Universitat Linz, Altenbergerstrafie 69, 4040 Linz, Austria;

Voestalpine Stahl GmbH, Voestalpine Straβe 3, 4031 Linz, Austria;

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正文语种 eng
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关键词
a. low alloy steel; c. selective oxidation; c. segregation; b. xps; b. sem;

机译：一个。低合金钢;c。选择性氧化;c。隔离;b。 xps;b。学期;

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2. Surface Oxidation of the High-Strength Steels Electrodeposited with Cu or Fe and the Resultant Defect Formation in Their Coating during the Following Galvanizing and Galvannealing Processes [J] . YUN-IL CHOI, WON-JIN BEOM, CHAN-JIN PARK Metallurgical and Materials Transactions, A. Physical Metallurgy and Materials Science . 2010,第13期

机译：电沉积铜或铁的高强度钢的表面氧化及随后的镀锌和热镀锌工艺中涂层的缺陷形成
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4. Surface Selective Oxidation, Hot-Dip Galvanizing and Coating-Related Properties of Advanced High-Strength and Ultrahigh-Strength Automotive Steel Grades [C] . B. C. De Cooman, Jonghan Oh, Lawrence Cho, Iron and Steel Technology Conference . 2016

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5. Metallic foam formation during continuous hot-dip galvanizing of steel sheet. [D] . Koutsaris, Chris. 2011

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6. Dissolution-Induced Nanowire Synthesis on Hot-Dip Galvanized Surface in Supercritical Carbon Dioxide [O] . Aaretti Kaleva, Ville Saarimaa, Saara Heinonen, 2017

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7. Segregation Mechanism of Al-based Oxides on Surface of Zn-0.2massAl Hot-dip Galvanized Steel Sheets [O] . Katsuya Hoshino, Katsunari Oikawa, Wataru Tanimoto, 2020

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The role of surface oxides on annealed high-strength steels in hot-dip galvanizing

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