Zinc aluminum nickel tantalum alloy for hot plating and method of hot zinc plating

A nickel-tantalum alloy and zinc alloy technology, applied in the field of hot-dip galvanizing, can solve the problems of waste of zinc in the bottom slag, increase of iron particles in zinc alloy liquid, etc., achieve environmental friendliness, good high temperature oxidation resistance and corrosion resistance, and prevent the The effect of corrosion

Active Publication Date: 2019-09-17
ZHUZHOU CHUANGLIN ALLOY
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] In order to solve the above technical problems, the invention provides a zinc-aluminum-nickel-tantalum alloy for hot-dipping, with the total mass of the zinc-aluminum-nickel-tantalum alloy for hot-dipping as Benchmark, the zinc-aluminum-nickel-tantalum alloy for hot-dipping contains 0.1-25.0wt% of Al, 0.01-2wt% of Ni, 0.01-0.5wt% of Ta, and the balance is the unavoidable content of Zn and zinc alloys. Impurities effectively solve the technical problems in the prior art that existing zinc alloys cannot be applied to hot-dip steel surfaces with complex components and structures, zinc alloy liquid iron particles increase, and more bottom slag is generated, resulting in zinc waste

Method used

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  • Zinc aluminum nickel tantalum alloy for hot plating and method of hot zinc plating

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0025] A zinc-aluminum-nickel-tantalum alloy S1 for hot-dip galvanizing is composed of 8wt% Al, 0.1wt% Ni, 0.05wt% Ta, and the balance is Zn and inevitable impurities brought by the zinc alloy.

[0026] The inorganic additive is composed of the following raw materials in parts by weight: 2 parts of ammonium chloride, 3 parts of nano-zirconia, 1 part of nano-magnesium oxide, 5 parts of quartz sand, 0.1 part of lanthanum nitrate, 0.1 part of cerium nitrate, and 1 part of sodium molybdate and 0.1 part of europium nitrate.

[0027]An inorganic additive was added to the molten zinc-aluminum-nickel-tantalum alloy S1 alloy solution for hot-dip galvanizing of the present embodiment, and the addition amount of the inorganic additive was 0.05 g / kg. After stirring evenly, the temperature of the alloy solution was 585° C., and the steel pipe was hot-dipped for 1.5 minutes, and the thickness of the formed coating was uniform.

Embodiment 2

[0029] A zinc-aluminum-nickel-tantalum alloy S2 for hot-dip galvanizing is composed of 20wt% Al, 0.5wt% Ni, 0.1wt% Ta, and the balance is Zn and inevitable impurities brought by the zinc alloy.

[0030] The inorganic additive is composed of the following raw materials by weight: 5 parts of ammonium chloride, 5 parts of nano-zirconia, 3 parts of nano-magnesium oxide, 10 parts of quartz sand, 0.5 parts of lanthanum nitrate, 0.2 parts of cerium nitrate, and 2 parts of sodium molybdate and 0.3 parts of europium nitrate.

[0031] An inorganic additive was added to the molten zinc-aluminum-nickel-tantalum alloy S2 alloy solution for hot-dip galvanizing of the present embodiment, and the addition amount of the inorganic additive was 0.01 g / kg. After stirring evenly, the temperature of the alloy solution was 575° C., and the strip was hot-dipped for 15 seconds, and the thickness of the formed coating was uniform.

Embodiment 3

[0033] A zinc-aluminum-nickel-tantalum alloy S3 for hot-dip galvanizing is composed of 0.1wt% Al, 0.2wt% Ni, 0.1wt% Ta, and the balance is unavoidable impurities brought by Zn and the zinc alloy.

[0034] The inorganic additive is composed of the following raw materials in parts by weight: 3 parts of ammonium chloride, 4 parts of nano-zirconia, 2 parts of nano-magnesium oxide, 6 parts of quartz sand, 0.2 parts of lanthanum nitrate, 0.12 parts of cerium nitrate, and 1.2 parts of sodium molybdate and 0.15 parts of europium nitrate.

[0035] An inorganic additive was added to the molten zinc-aluminum-nickel-tantalum alloy S3 alloy solution for hot-dip galvanizing of the present embodiment, and the addition amount of the inorganic additive was 0.02 g / kg. After stirring evenly, the temperature of the alloy liquid was 570° C., and the high-silicon and high-manganese steel large-tube tower pieces with discs at both ends were hot-dipped for 3 minutes, and the thickness of the formed c...

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Abstract

The invention provides a zinc aluminum nickel tantalum alloy for hot plating. Taken the total mass of the zinc aluminum nickel tantalum alloy for hot plating as the standard, the zinc aluminum nickel tantalum alloy for hot plating contains 0.1-25.0 wt% of Al, 0.01-2 wt% of Ni, 0.01-0.5 wt% of Ta and the balance Zn and inevitable impurities brought by a zinc alloy. The zinc aluminum chromium calcium silicon alloy for hot plating is applicable to the hot zinc plating technology of various steel materials with complex components, the content of harmful impurity iron elements of zinc liquid of a zinc plated pot can be reduced or maintained within the low range, the zinc slag amount generated by zinc plating is reduced, meanwhile, bottom slag generated by zinc plating and the adverse influence of increase of zinc plating slag caused by high content of iron elements are reduced, the alloy plated layer formed after hot plating is thin, the thickness is uniform, the color difference, the Sandelin effect and redundant zinc tumor are avoided, and the zinc aluminum nickel tantalum alloy has excellent plating layer quality.

Description

technical field [0001] The invention relates to the technical field of hot-dip galvanizing, in particular to a zinc-aluminum-nickel-tantalum alloy for hot-dip galvanizing and a method for hot-dip galvanizing. Background technique [0002] Zinc is used in large quantities as a corrosion protection layer for steel. The dissolution rate of zinc is high because of the large potential difference between the steel and the zinc layer. The hot-dip galvanized steel sheet is prone to corrosion in a humid environment, causing the surface to form white corrosion products or become grayish-dark, which affects the appearance quality of the hot-dip galvanized steel sheet and the corrosion resistance of the coating. [0003] With the rapid development of industries such as communications, electric power, automobiles, ships, home appliances, and construction, the demand for hot-dip galvanized alloy products is increasing year by year, and the requirements for product quality are constantly ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C23C2/06C22C18/04C22C18/00
CPCC23C2/06C22C18/04C22C18/00
Inventor 周林
Owner ZHUZHOU CHUANGLIN ALLOY
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