Home FOR AUTHORS Kovove Materialy-Metallic Materials 2018 Metallic Materials Vol. 56 (2018), no. 2, pp.105-111

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Metallic Materials Vol. 56 (2018), no. 2, pp.105-111

Title: Structures of coatings obtained in a ZnAl23Mg3Si0.4 bath by the batch hot dip method
Author: H. Kania, A. Skupi´nska
Abstract: The paper presents the results of the tests on ZnAl23Mg3Si0.4 coatings obtained by use of the batch hot dip method. The growth kinetics of coatings obtained at the temperature of 520 °C on low-silicon steel has been defined. The structure has been developed, the chemical composition of structural components of the coatings and their phase composition have been established. It has been determined that coatings obtained in a ZnAl23Mg3Si0.4 bath are continuous and their average thickness ranges from 35.8 to 45.5 μm. The obtained coatings are composed of a diffusion layer of phase FeAl3 which contains Zn and Si and of an internal layer which contains solutions of Al and Zn as well as phases MgZn2 and Mg2Si.
Keywords: hot dip galvanizing, ZnAlMg coatings, galvanizing bath, corrosion resistance
Published online: 17-May-2018
Year: 2018, Volume: 56, Issue: 2 Page From: 105, Page To: 111
doi:10.4149/km_2018_2_105


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