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Novel energy-saving Hf-containing zinc alloy for hot-dip galvanizing of high-carbon steel

A hot-dip galvanizing and zinc alloy technology, applied in the field of alloys, can solve the problems of development cycle, design quality and process quality are difficult to guarantee, and enterprises cannot obtain greater breakthroughs, etc., to prevent rapid evaporation and oxidation, and hinder oxidation and volatilization. Effect

Inactive Publication Date: 2018-07-24
GUANGZHOU YUZHI TECH CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Therefore, it is difficult to guarantee the development cycle, design quality and the quality of the technology achieved, making it impossible for enterprises to achieve greater breakthroughs in the highly competitive market

Method used

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Examples

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Effect test

Embodiment 1

[0017] A new energy-saving Hf-containing zinc alloy used for high-carbon steel hot-dip galvanizing at 460-600 degrees. In terms of weight percentage, the chemical composition of the material is: Ba: 0.5wt.%, Y: 0.5wt.%, Hf: 1.8wt.%, Cu: 1.4wt.%, W: 0.5wt.%, Sb: 1.8 wt.%, the balance is zinc. Preparation method: Add the above-mentioned raw materials into the atmosphere-protected induction furnace, and use a silicon carbide crucible; induction heat to 550 degrees to form an alloy solution, and use the electromagnetic stirring effect to fully stir for about 10 minutes; put the alloy liquid at 550 degrees After heat preservation and standing for 10 minutes, it is cast into the equipment at the same level as the hot top for semi-continuous casting into required round ingots, and the ingot moving speed is 14m / min. The ingot can be used as a zinc alloy for hot-dip galvanizing for anti-corrosion coating treatment of steel; wherein, the working temperature of the hot-dip galvanizing i...

Embodiment 2

[0020] A new energy-saving Hf-containing zinc alloy used for high-carbon steel hot-dip galvanizing at 460-600 degrees. By weight percentage. In terms of weight percentage, the chemical composition of the material is: Ba: 1.0wt.%, Y: 0.5wt.%, Hf: 1.8wt.%, Cu: 1.6wt.%, W: 0.4wt.%, Sb: 1.5 wt.%, the balance is zinc. Preparation method: Add the above-mentioned raw materials into the atmosphere-protected induction furnace, and use a silicon carbide crucible; induction heat to 550 degrees to form an alloy solution, and use the electromagnetic stirring effect to fully stir for about 10 minutes; put the alloy liquid at 550 degrees After heat preservation and standing for 10 minutes, it is cast into the equipment at the same level as the hot top for semi-continuous casting into the required round ingot, and the ingot moves down at a speed of 12m / min. The ingot can be used as a zinc alloy for hot-dip galvanizing for anti-corrosion coating treatment of steel; wherein, the working tempe...

Embodiment 3

[0023]A new energy-saving Hf-containing zinc alloy used for high-carbon steel hot-dip galvanizing at 460-600 degrees. By weight percentage. In terms of weight percentage, the chemical composition of the material is: Ba: 1.0wt.%, Y: 0.4wt.%, Hf: 1.5wt.%, Cu: 1.0wt.%, W: 0.5wt.%, Sb: 1.6 wt.%, the balance is zinc. Preparation method: Add the above-mentioned raw materials into the atmosphere-protected induction furnace, and use a silicon carbide crucible; induction heat to 550 degrees to form an alloy solution, and use the electromagnetic stirring effect to fully stir for about 10 minutes; put the alloy liquid at 550 degrees After heat preservation and standing for 10 minutes, it is cast into the equipment at the same level as the hot top for semi-continuous casting into required round ingots, and the ingot moving speed is 16m / min. The ingot can be used as a zinc alloy for hot-dip galvanizing for anti-corrosion coating treatment of steel; wherein, the working temperature of the...

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Abstract

The invention discloses novel energy-saving Hf-containing zinc alloy for hot-dip galvanizing of high-carbon steel and a processing process thereof. The novel energy-saving Hf-containing zinc alloy isprepared from the ingredients in percentage by weight: 0.5wt.% to 1.2wt.% of Ba, 0.4wt.% to 0.8wt.% of Y, 1.5wt.% to 2.0wt.% of Hf, 1.0wt.% to 2.0wt.% of Cu, 0.4wt.% to 0.6wt.% of W, 1.0wt.% to 2.0wt.% of Sb and the balance of zinc. According to the novel energy-saving Hf-containing zinc alloy for the hot-dip galvanizing of the high-carbon steel and the processing process thereof, the developmentof high-quality zinc alloy for hot-dip galvanizing is facilitated, and the novel energy-saving Hf-containing zinc alloy has a promotion action on improving independent-developed high-quality new materials and occupying an international high-quality new material market.

Description

technical field [0001] The invention relates to the technical field of alloys, in particular to a zinc alloy. Background technique [0002] Zinc is easily soluble in acid and alkali, so it is called amphoteric metal. Zinc hardly changes in dry air. In humid air, a dense basic zinc carbonate film will be formed on the surface of zinc. The standard electrode potential of zinc is -0.76V. For the steel substrate, the zinc coating is an anodic coating. It is mainly used to prevent the corrosion of steel. The quality of its protective performance is closely related to the thickness of the coating. Galvanizing refers to a surface treatment technology that coats a layer of zinc on the surface of metals, alloys or other materials for aesthetics and anti-rust effects. After the zinc coating is passivated, dyed or coated with light protection agent, its protection and decoration can be significantly improved. [0003] Hot-dip galvanizing (hot-dip galvanizing) refers to the method o...

Claims

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Application Information

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