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Energy-saving corrosion-resistant type Os-contained zinc alloy for hot-dip galvanizing of high-silicon-content steel

A hot-dip galvanizing and corrosion-resistant technology, applied in the field of alloys, can solve the problems of difficult maintenance of the plating solution, long hot-dipping time, and high hot-dipping temperature, and achieve the effects of short hot-dipping time, easy operation by workers, and smooth coating surface.

Inactive Publication Date: 2018-08-14
GUANGZHOU YUZHI TECH CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, the electroless nickel plating method needs to be carried out at a higher temperature, and the maintenance of the plating solution is difficult
In addition, the hot-dipping temperature is high and the hot-dipping time is long, and the tendency to deform or even crack the plated parts is serious

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0018] An energy-saving and corrosion-resistant Os-containing zinc alloy used for hot-dip galvanizing of high-silicon-content steel at 360-450 degrees. In terms of weight percentage, the chemical composition of the alloy is: Li: 1.5wt.%, Os: 0.4wt.%, Ge: 2.5wt.%, In: 3.0wt.%, Y: 0.4wt.%, Mn: 1.2wt .%, the balance is zinc. The preparation method of the alloy: add the above-mentioned raw materials into the atmosphere-protected induction furnace, and use a silicon carbide crucible; induction heating to 500-600 degrees to form an alloy solution, and use the electromagnetic stirring effect to fully stir for about 10 minutes; put the alloy The liquid is kept at 500-600 degrees for 10 minutes and then cast into the equipment at the same level as the hot top for semi-continuous casting into the required round ingot. The ingot moves down at a speed of 5-10m / min. The ingot can be used as hot-dip galvanizing raw material for subsequent hot-dip galvanizing treatment to protect steel wire...

Embodiment 2

[0022] An energy-saving and corrosion-resistant Os-containing zinc alloy used for hot-dip galvanizing of high-silicon-content steel at 360-450 degrees. In terms of weight percentage, the chemical composition of the alloy is: Li: 1.8wt.%, Os: 0.5wt.%, Ge: 2.8wt.%, In: 3.2wt.%, Y: 0.5wt.%, Mn: 1.2wt .%, the balance is zinc. The preparation method of the alloy: add the above-mentioned raw materials into the atmosphere-protected induction furnace, and use a silicon carbide crucible; induction heating to 500-600 degrees to form an alloy solution, and use the electromagnetic stirring effect to fully stir for about 10 minutes; put the alloy The liquid is kept at 500-600 degrees for 10 minutes and then cast into the equipment at the same level as the hot top for semi-continuous casting into the required round ingot. The ingot moves down at a speed of 5-10m / min. The ingot can be used as hot-dip galvanizing raw material for subsequent hot-dip galvanizing treatment to protect steel wire...

Embodiment 3

[0026] An energy-saving and corrosion-resistant Os-containing zinc alloy used for hot-dip galvanizing of high-silicon-content steel at 360-450 degrees. In terms of weight percentage, the chemical composition of the alloy is: Li: 1.6wt.%, Os: 0.5wt.%, Ge: 2.8wt.%, In: 3.2wt.%, Y: 0.6wt.%, Mn: 1.3wt .%, the balance is zinc. The preparation method of the alloy: add the above-mentioned raw materials into the atmosphere-protected induction furnace, and use a silicon carbide crucible; induction heating to 500-600 degrees to form an alloy solution, and use the electromagnetic stirring effect to fully stir for about 10 minutes; put the alloy The liquid is kept at 500-600 degrees for 10 minutes and then cast into the equipment at the same level as the hot top for semi-continuous casting into the required round ingot. The ingot moves down at a speed of 5-10m / min. The ingot can be used as hot-dip galvanizing raw material for subsequent hot-dip galvanizing treatment to protect steel wire...

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Abstract

The invention discloses an energy-saving corrosion-resistant type Os-contained zinc alloy for hot-dip galvanizing of high-silicon-content steel and a processing technology of the energy-saving corrosion-resistant type Os-contained zinc alloy for hot-dip galvanizing of the high-silicon-content steel. The energy-saving corrosion-resistant type Os-contained zinc alloy comprises, by weight, 1.5%-2.0%of Li, 0.4%-0.8% of Os, 2.5%-3.0% of Ge, 3.0%-3.4% of In, 0.4%-0.8% of Y, 1.2%-1.4% of Mn and the balance Zinc. After the energy-saving corrosion-resistant type Os-contained zinc alloy for hot-dip galvanizing is applied to the high-silicon-content active steel, the obtained zinc coating has excellent mechanical properties; and in addition, the energy-saving corrosion-resistant type Os-contained zinc alloy for hot-dip galvanizing and the processing technology have the advantages that the production temperature is low, the hot-dip time is short, large-scale production is convenient.

Description

technical field [0001] The invention relates to the technical field of alloys, in particular to a zinc alloy. Background technique [0002] Steel can easily rust or even be completely damaged when exposed to air, water or soil. The annual loss of steel due to corrosion accounts for about 1 / 10 of the entire steel output. On the other hand, in order to make the surface of steel products and parts have a certain special function, and at the same time give their surface a decorative appearance, galvanized steel is generally used. way to deal with it. Hot-dip galvanizing is an effective metal anti-corrosion method, which is mainly used in metal structure facilities in various industries. Usually, the hot-dip galvanizing of processed parts is to immerse the steel in molten zinc at 450 ° C. The coating is composed of iron-zinc intermetallic compounds and the outermost zinc layer. The alloy layer is tight and continuous. Because the zinc layer is attached to the surface of the st...

Claims

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Application Information

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IPC IPC(8): C22C18/00C22C1/02C23C2/06C23C2/38
CPCC22C18/00C22C1/02C23C2/06C23C2/38
Inventor 杨长江
Owner GUANGZHOU YUZHI TECH CO LTD
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