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Current Research Status and Progress of the Flux for Hot-Dip Galvanizing

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  • School of Materials Science and Engineering,South China University of Technology,Guangzhou 510640,China;Wenzhou Taichang Power Tower Manufacturing Co.,Ltd.,Wenzhou 325013,China

Received date: 2022-07-23

  Revised date: 2022-08-15

  Accepted date: 2022-09-26

  Online published: 2023-07-26

Abstract

Solvent fluxing is a unique procedure of hot-dip galvanizing, which directly affects the quality and uniformity of hot-dip galvanized coating. This paper introduced the role and principle of the flux for hot-dip galvanizing, and analyzed the effects of the total concentration, temperature, pH value and Fe2+ concentration on the results of the fluxing and hot dip galvanizing. Furthermore, the types and research progresses of new ammonium-free fluxes as well as the fluxes for hot-dip Zn-Al(Mg) alloys were introduced, and the problems and future development directions of the fluxing technology of hot-dip galvanizing were pointed out.

Cite this article

YAO Xiong-ting, KONG Gang, CHE Chun-shan, LAI De-lin, WAN Xian-lan, LIAO Xing-li . Current Research Status and Progress of the Flux for Hot-Dip Galvanizing[J]. Materials Protection, 2023 , 56(1) : 121 -126 . DOI: 10.16577/j.issn.1001-1560.2023.0019

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