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High-heat-conductivity Ca and Mg-contained zinc alloy for ceramic crucible hot-dip galvanizing

A technology of hot-dip galvanizing and ceramic crucible, which is applied in the field of alloys, can solve problems such as waste, and achieve the effects of preventing oxidation, short hot-dipping time, and reducing heat transfer barriers

Inactive Publication Date: 2018-07-17
GUANGZHOU YUZHI TECH CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The resulting waste is staggering

Method used

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Examples

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Comparison scheme
Effect test

Embodiment 1

[0017] A high thermal conductivity zinc alloy containing Ca and Mg for hot-dip galvanizing in a ceramic crucible at 360-450 degrees. In terms of weight percentage, the chemical composition of the alloy is: Ca: 0.2wt.%, Sn: 1.0wt.%, Mg: 1.0wt.%, Ge: 0.2wt.%, Cu: 0.2wt.%, Mo: 0.1wt .%, Ni: 1.2wt.%, W: 1.0wt.%, 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 ingots. The speed of the ingot moving down is 5-8 / min. The ingot can be used as hot-dip galvanizing raw material for subsequent hot-dip galvanizing treatment to protect s...

Embodiment 2

[0020] A high thermal conductivity zinc alloy containing Ca and Mg for hot-dip galvanizing in a ceramic crucible at 360-450 degrees. In terms of weight percentage, the chemical composition of the alloy is: Ca: 0.3wt.%, Sn: 1.0wt.%, Mg: 1.5wt.%, Ge: 0.4wt.%, Cu: 0.3wt.%, Mo: 0.1wt .%, Ni: 1.2wt.%, W: 2.5wt.%, 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 5-8m / min. The ingot can be used as hot-dip galvanizing raw material for subsequent hot-dip galvanizing treatment to protect stee...

Embodiment 3

[0023]A high thermal conductivity zinc alloy containing Ca and Mg for hot-dip galvanizing in a ceramic crucible at 360-450 degrees. In terms of weight percentage, the chemical composition of the alloy is: Ca: 0.5wt.%, Sn: 1.2wt.%, Mg: 3.0wt.%, Ge: 1.2wt.%, Cu: 0.4wt.%, Mo: 0.2wt .%, Ni: 1.4wt.%, W: 5.0wt.%, 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 5-8m / min. The ingot can be used as hot-dip galvanizing raw material for subsequent hot-dip galvanizing treatment to protect steel...

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PUM

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Abstract

The invention discloses a high-heat-conductivity Ca and Mg-contained zinc alloy for ceramic crucible hot-dip galvanizing and a preparation process thereof. The alloy comprises the following componentsin percentage by weight: 0.2-0.5 wt.% of Ca, 1.0-1.2 wt.% of Sn, 1.0-3.0 wt.% of Mg, 0.2-1.2 wt.% of Ge, 0.2-0.4 wt.% of Cu, 0.1-0.2 wt.% of Mo, 1.2-1.4 wt.% of Ni, 1.0-5.0 wt.% of W, and the balanceof zinc. The alloy for hot-dip galvanizing is suitable for a ceramic crucible production process in hot-dip galvanizing; and the product achieves the effects of reduction of abnormal consumption of zinc and cost saving.

Description

technical field [0001] The invention relates to the technical field of alloys, in particular to a zinc alloy. Background technique [0002] Steel has the advantages of good strength, formability, economical production and recyclability, and occupies a very important position in the process of industrial construction. However, steel easily reacts with the environment to form stable oxides or salts. Corrosion of steel reduces the service life of steel, brings huge economic losses to human beings, and seriously pollutes the environment. Therefore, people have adopted various protective technologies to improve the anticorrosion performance of steel. [0003] Since the standard electrode potential of zinc is negative to that of iron, the galvanized layer has the effect of sacrificial anode protection of the steel base in water and humid air, which can greatly prolong the service life of the steel. The galvanized layers commonly used in industry include hot-dip galvanized, elect...

Claims

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Application Information

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Patent Type & Authority Applications(China)
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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