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Ba-Y-Mn zinc alloy for IF steel plate hot-dip galvanizing and without surface dross

A hot-dip galvanizing, ba-y-mn technology, applied in the field of alloys, to achieve the effect of reducing hot-dipping time, dense structure, and preventing oxidation and evaporation

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, as a structural material, it is not enough to have suitable chemical properties, and the resulting hot-dip galvanized coating must also have satisfactory mechanical strength

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0018] A surface slag-free Ba-Y-Mn zinc alloy for hot-dip galvanizing of IF steel sheets at 320-340 degrees. In terms of weight percentage, the chemical composition of the alloy is: Ba:0.4wt.%, Y:0.3wt.%, In:0.5wt.%, Co:1.5wt.%, Al:6.0wt.%, Mn:0.5wt .%, 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 raw material for hot-dip galvanizing for subsequent IF ...

Embodiment 2

[0021] A surface slag-free Ba-Y-Mn zinc alloy for hot-dip galvanizing of IF steel sheets at 320-340 degrees. In terms of weight percentage, the chemical composition of the alloy is: Ba: 0.6wt.%, Y: 0.5wt.%, In: 0.8wt.%, Co: 2.0wt.%, Al: 8.0wt.%, Mn: 1.2wt .%, 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 raw material for hot-dip galvanizing for subseque...

Embodiment 3

[0024] A surface slag-free Ba-Y-Mn zinc alloy for hot-dip galvanizing of IF steel sheets at 320-340 degrees. In terms of weight percentage, the chemical composition of the alloy is: Ba:0.5wt.%, Y:0.4wt.%, In:0.5wt.%, Co:1.8wt.%, Al:6.5wt.%, Mn:0.5wt .%, 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 raw material for hot-dip galvanizing for subsequent IF ...

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Abstract

The invention discloses the Ba-Y-Mn zinc alloy for IF steel plate hot-dip galvanizing and without surface dross and the processing technology thereof. The Ba-Y-Mn zinc alloy comprises the ingredientsof, by weight, 0.4% to 0.6% of Ba, 0.3% to 0.5% of Y, 0.5% to 0.8% of In, 1.5% to 2.0% of Co, 6.0% to 8.0% of Al, 0.5% to 1.2% of Mn, and the balance zinc. The Ba-Y-Mn zinc alloy for IF steel plate hot-dip galvanizing and without surface dross is used as the raw material of IF steel plate hot-dip galvanizing, and the IF steel plate can be evenly coated with a uniform zinc layer under the temperature ranging from 320 DEG C to 340 DEG C for 10 seconds to 15 seconds. Along with the expansion of more engineering application fields, the novel alloy of the type same as the Ba-Y-Mn zinc alloy for IFsteel plate hot-dip galvanizing and without surface dross surely will be widely applied in more hot-dip galvanizing operation.

Description

technical field [0001] The invention relates to the technical field of alloys, in particular to a zinc alloy. Background technique [0002] The shape of the car body is becoming more and more complex in order to reduce air resistance and beautiful appearance, and the requirements for the stamping performance of the steel plate are increasing. Therefore, there are certain requirements for the indicators that affect the stamping performance, such as high plastic strain ratio, appropriate strain hardening index, high With high elongation and low yield strength, only steel plates that meet the requirements can punch out parts with complex shapes. IF steel sheet has very excellent formability. On this basis, the high-strength IF steel plate developed through solid solution strengthening and other methods can obtain high strength while still retaining high formability. In the case of the same strength level, the comprehensive level of the formability index of the high-strength I...

Claims

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Application Information

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IPC IPC(8): C22C18/04C22C1/02C23C2/06
CPCC22C18/04C22C1/02C23C2/06
Inventor 杨长江
Owner GUANGZHOU YUZHI TECH CO LTD
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