The film forming mechanism of chromium-free passivation process in the tannic acid system for hot dip galvanizing coating

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The film forming mechanism of chromium-free passivation process in the tannic acid system for hot dip galvanizing coating

机译：单宁酸体系热浸镀锌中无铬钝化工艺的成膜机理

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Inthispaper,tannicacid,fluorinetitanateandsilanecouplingagentpassivationsolutionwereusedtopreparehotdipgalvanizedsteelsheetpassivationcoating.Andthenthemechanismoffilmformationwasstudied.Themicrostructure,surfacecomposition,layerbylayerelementdistributionandmolecularstructureofgalvanizedsteelsheetpassivationcoatingwererevealedinscanningelectronmicroscopy,Xrayphotoelectronspectroscopy,glowdischargeatomicemissionspectrometryandinfraredspectrometry,respectively.Theresultsshowthat:inonehand,usingthesilanecouplingagentwouldproducemanysol-gelparticlesinthepassivationsolution.Ontheotherhand,tannicacidwouldproducespatialmeshstructure.Therefore,passivationsolutionwouldgenerateasmooth,uniformandcompactgalvanizedsteelsheetpassivationcoatingormembrane.

机译：Inthispaper，tannicacid，fluorinetitanateandsilanecouplingagentpassivationsolutionwereusedtopreparehotdipgalvanizedsteelsheetpassivationcoating.Andthenthemechanismoffilmformationwasstudied.Themicrostructure，surfacecomposition，layerbylayerelementdistributionandmolecularstructureofgalvanizedsteelsheetpassivationcoatingwererevealedinscanningelectronmicroscopy，Xrayphotoelectronspectroscopy，glowdischargeatomicemissionspectrometryandinfraredspectrometry，respectively.Theresultsshowthat：inonehand，usingthesilanecouplingagentwouldproducemanysol-gelparticlesinthepassivationsolution.Ontheotherhand，tannicacidwouldproducespatialmeshstructure.Therefore，passivationsolutionwouldgenerateasmooth，uniformandcompactgalvanizedsteelsheetpassivationcoatingormembrane。

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《Optoelectronics and Advanced Materials-Rapid Communications》 |2015年第2015期|共页
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1. Kinetics, mechanism and characterisation of passive film formed on hot dip galvanized coating exposed in simulated concrete pore solution [J] . Ghosh R, Singh DDN Surface & Coatings Technology . 2007,第16a17期

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2. Study chromium-free passivation coating on hot-dip galvanized steel sheet [J] . Optoelectronics and Advanced Materials-Rapid Communications . 2015,第2015期

机译：研究热浸镀锌钢板上的无铬钝化涂层
3. Deformation and Damage Mechanisms of Zinc Coatings on Hot-Dip Galvanized Steel Sheets: Part I. Deformation Modes [J] . RODOLPHE PARISOT, SAMUEL FOREST, ANDRE PINEAU Metallurgical and Materials Transactions, A. Physical Metallurgy and Materials Science . 2004,第3期

机译：热浸镀锌钢板镀锌层的变形和损伤机理：第一部分。变形方式
4. The Film Forming Mechanism of Chromium-free Passivation in the Tannic Acid System for Electrogalvanized Coating [C] . K Meng, J Rong, X H Yu International Workshop on Materials Science and Mechanical Engineering . 2018

机译：电镀锌涂层鞣酸体系中无铬钝化的成膜机理
5. The solidification of hot dipped galvanized coatings on steel. [D] . Fasoyinu, Festus Awoyemi. 1989

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6. Corrosion Resistance of Modified Hexagonal Boron Nitride (h-BN) Nanosheets Doped Acrylic Acid Coating on Hot-Dip Galvanized Steel [O] . Yongzhe Fan, Huazhen Yang, Haisheng Fan, 2020

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7. Enhanced performance of a green inorganic-based passive film on the batch hot-dip galvanized steel by organic additives [O] . Yongfeng Long 2020

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8. Study of the formation and self-lubrication mechanisms of boric acid films on boric oxide coatings. [R] . Erdemir, A., Fenske, G. R., Erck, R. A. 1990

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The film forming mechanism of chromium-free passivation process in the tannic acid system for hot dip galvanizing coating

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