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Novel non-spangle Mg-In-Ni zinc alloy for zinc and magnesium matrix hot-dip galvanizing

A mg-in-ni, zinc-magnesium-based heat technology, applied in the field of alloys, can solve problems such as limiting the application of spangle hot-dip galvanized steel sheets and affecting the surface quality of products, and achieves excellent volatility and oxidation resistance, and strong spreadability , good coverage effect

Inactive Publication Date: 2018-07-27
GUANGZHOU YUZHI TECH CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, when the hot-dip galvanized steel sheet is painted, the surface unevenness caused by spangles is still clearly visible after painting, which affects the surface quality of the product and limits the application of normal spangled hot-dip galvanized steel sheets

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0020] A spangle-free Mg-In-Ni zinc alloy for hot-dip galvanizing using a new zinc-magnesium base at 320-340 degrees. In terms of weight percentage, the chemical composition of the alloy is: Mg:5.0wt.%, Y:0.2wt.%, In:0.4wt.%, Ni:1.0wt.%, Bi:0.3wt.%, Mo:0.2wt .%, the balance is zinc. Alloy preparation method: Add the above-mentioned raw materials into an induction furnace protected by argon gas, and use a silicon carbide crucible; add the above-mentioned raw materials into an atmosphere-protected induction furnace, and use a silicon carbide crucible; induction heating Form the alloy solution at 500-600 degrees, and use the electromagnetic stirring effect to fully stir for about 10 minutes; keep the alloy liquid at 500-600 degrees for 10 minutes, then cast it into the same level equipment as the hot top for semi-continuous casting into the required For round ingots, the ingot moving speed is 5-8m / min. The cast ingot can be used as hot-dip galvanizing raw material for thin-plat...

Embodiment 2

[0024]A spangle-free Mg-In-Ni zinc alloy for hot-dip galvanizing using a new zinc-magnesium base at 320-340 degrees. In terms of weight percentage, the chemical composition of the alloy is: Mg: 8.0wt.%, Y: 0.3wt.%, In: 0.6wt.%, Ni: 1.2wt.%, Bi: 0.5wt.%, Mo: 0.4wt .%, the balance is zinc. Alloy preparation method: Add the above-mentioned raw materials into an induction furnace protected by argon gas, and use a silicon carbide crucible; add the above-mentioned raw materials into an atmosphere-protected induction furnace, and use a silicon carbide crucible; induction heating Form the alloy solution at 500-600 degrees, and use the electromagnetic stirring effect to fully stir for about 10 minutes; keep the alloy liquid at 500-600 degrees for 10 minutes, then cast it into the same level equipment as the hot top for semi-continuous casting into the required For round ingots, the ingot moving speed is 5-8m / min. The cast ingot can be used as hot-dip galvanizing raw material for thin...

Embodiment 3

[0028] A spangle-free Mg-In-Ni zinc alloy for hot-dip galvanizing using a new zinc-magnesium base at 320-340 degrees. In terms of weight percentage, the chemical composition of the alloy is: Mg:5.2wt.%, Y:0.2wt.%, In:0.5wt.%, Ni:1.0wt.%, Bi:0.4wt.%, Mo:0.3wt .%, the balance is zinc. Alloy preparation method: Add the above-mentioned raw materials into an induction furnace protected by argon gas, and use a silicon carbide crucible; add the above-mentioned raw materials into an atmosphere-protected induction furnace, and use a silicon carbide crucible; induction heating Form the alloy solution at 500-600 degrees, and use the electromagnetic stirring effect to fully stir for about 10 minutes; keep the alloy liquid at 500-600 degrees for 10 minutes, then cast it into the same level equipment as the hot top for semi-continuous casting into the required For round ingots, the ingot moving speed is 5-8m / min. The cast ingot can be used as hot-dip galvanizing raw material for thin-plat...

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Abstract

The invention discloses the novel non-spangle Mg-In-Ni zinc alloy for zinc and magnesium matrix hot-dip galvanizing and the processing technology thereof. The novel non-spangle Mg-In-Ni zinc alloy comprises the ingredients of, by weight, 5.0% to 8.0% of Mg, 0.2% to 0.3% of Y, 0.4% to 0.6% of In, 1.0% to 1.2% of Ni, 0.3% to 0.5% of Bi, 0.2% to 0.4% of Mo, and the balance zinc. The novel non-spangleMg-In-Ni zinc alloy for zinc and magnesium matrix hot-dip galvanizing can be used for galvanizing on steel plates at the temperature ranging from 320 DEG C to 340 DEG C, and achieves the excellent anti-corrosion capacity. The novel non-spangle Mg-In-Ni zinc alloy for zinc and magnesium matrix hot-dip galvanizing surely has the significance in improving the industrialization process of China and adjusting the structure of the metallurgical industry.

Description

technical field [0001] The invention relates to the technical field of alloys, in particular to a zinc alloy. Background technique [0002] The loss caused by the corrosion of metal materials to the national economy is astonishing. According to statistics, the weight of metal products that fail due to corrosion every year in the world is equivalent to about one-third of the annual output of metals. In the industrially developed Britain and the United States, the economic losses caused by corrosion account for about 4% of the total output value of the national economy. Due to the unfavorable implementation of protective measures for steel in my country, the loss caused by corrosion accounts for a larger proportion. The implementation of the hot-dip galvanizing process is one of the most basic and extensive methods of steel corrosion protection in the world. A layer of galvanized layer is formed on the surface of steel products by hot-dip galvanizing process, and the very d...

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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