2022
DOI: 10.1016/j.surfcoat.2022.128972
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Improvement in hot dip galvanized coating microstructure and properties by pre-metallic deposition on steel surface: A comprehensive review

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Cited by 23 publications
(6 citation statements)
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“…17 b). These compounds' differing composition and structure makes their properties different as well, including their mechanical properties, as we can see in their toughness (HV) [ 72 , 73 ]. The microfissures included in the solidification often occur in galvanized covering, due to the large difference between the thermal expansion coefficients of the zinc covering and the iron substrate.…”
Section: Resultsmentioning
confidence: 99%
See 1 more Smart Citation
“…17 b). These compounds' differing composition and structure makes their properties different as well, including their mechanical properties, as we can see in their toughness (HV) [ 72 , 73 ]. The microfissures included in the solidification often occur in galvanized covering, due to the large difference between the thermal expansion coefficients of the zinc covering and the iron substrate.…”
Section: Resultsmentioning
confidence: 99%
“…
Fig. 17 (a) Microstructure of galvanized steel used in the study, showing the phases composing the galvanized layer, magnified 50×, (b) Zone rich in Zn, of the phase diagram in equilibrium Zn-Fe [ 73 ].
…”
Section: Resultsmentioning
confidence: 99%
“…[2,3] However, the addition of alloying elements to high-strength steel for the improvement of mechanical properties may contradict the coating quality. [4][5][6][7] Especially for highstrength dual-phase (DP) steel, which is the typical automotive steel, limited by the low cooling rate after recrystallization annealing of the hot-dip GI process, it is necessary to increase the alloying element in the steel to obtain a dual-phase structure. [8] Although the frequently-used annealing atmosphere composed of 5 vol% H 2 -N 2 is always reductive to Fe-oxides, the oxidation potential of alloying elements in steel is high enough to facilitate their oxidation, which has an influence on the wettability of steel sheet.…”
Section: Introductionmentioning
confidence: 99%
“…After nearly two centuries of use, galvanized steels retain their indispensable role in the automotive, industrial and construction sectors by providing a surface finish that improves service life thanks to barrier and sacrificial protection mechanisms [2,3]. However, although alternatives have been proposed [4][5][6], no universal system has emerged that can replace zinc-coated steels in the mass production of vehicle bodies, due to their combination of corrosion resistance, ductility, and cost-effectiveness.…”
Section: Introductionmentioning
confidence: 99%