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Zinc alloy for oxidation-resistant, zero-spangle high-silicon-content active steel hot zinc coating

A hot-dip galvanizing and oxidation-resistant technology, applied in the field of alloys, can solve the problems of difficult maintenance of the plating solution, deformation of plated parts, and high cost, and achieve the effects of short hot-dip dipping time, low working temperature, and low annual cost of capital.

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

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 cost is high and the tendency to deform or even crack the plated part is serious

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0017] A zinc alloy for hot-dip galvanizing of oxidation-resistant spangle-free high-silicon-content active steel at 360-450 degrees. In terms of weight percentage, the chemical composition of the alloy is: Li: 0.8wt.%, Sn: 1.5wt.%, Ge: 1.0wt.%, Ni: 0.8wt.%, Y: 0.5wt.%, Yb: 0.1wt .%, 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 raw material for hot-dip galvanizing for subsequent hot-dip galvanizing treatment to protect steel wires. The working...

Embodiment 2

[0021]A zinc alloy for hot-dip galvanizing of oxidation-resistant spangle-free high-silicon-content active steel at 360-450 degrees. In terms of weight percentage, the chemical composition of the alloy is: Li: 1.0wt.%, Sn: 2.4wt.%, Ge: 1.5wt.%, Ni: 1.0wt.%, Y: 0.6wt.%, Yb: 0.1wt .%, 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 raw material for hot-dip galvanizing for subsequent hot-dip galvanizing treatment to protect steel wires. The working ...

Embodiment 3

[0025] A zinc alloy for hot-dip galvanizing of oxidation-resistant spangle-free high-silicon-content active steel at 360-450 degrees. In terms of weight percentage, the chemical composition of the alloy is: Li: 1.2wt.%, Sn: 1.8wt.%, Ge: 2.4wt.%, Ni: 1.0wt.%, Y: 0.6wt.%, Yb: 0.1wt .%, 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 raw material for hot-dip galvanizing for subsequent hot-dip galvanizing treatment to protect steel wires. The working...

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PUM

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Abstract

The invention discloses a zinc alloy for oxidation-resistant, zero-spangle high-silicon-content active steel hot zinc coating and a processing procedure thereof. The alloy is prepared from the following components in percentage by weight: 0.8 to 1.2 percent of Li, 1.5 to 2.8 percent of Sn, 1.0 to 2.5 percent of Ge, 0.8 to 1.2 percent of Ni, 0.5 to 0.8 percent of Y, 0.1 to 0.2 percent of Yb and thebalance of zinc. By adopting a zinc coating obtained by the hot zinc coating alloy for active steel with high silicon content, production of the spangle can be eliminated. In addition, the alloy alsohas the characteristics of low production cost and convenience in large-scale production.

Description

technical field [0001] The invention relates to the technical field of alloys, in particular to a zinc alloy. Background technique [0002] Hot-dip galvanizing is a process technology in which steel, stainless steel, cast iron and other metals are immersed in molten liquid metal or alloy to obtain a coating. Hot-dip galvanizing is the most widely used steel surface treatment method with the best cost performance in the world today. Hot-dip galvanized products play an inestimable and irreplaceable role in corrosion reduction and life extension, energy saving and material saving of steel. At the same time, coated steel is also a high value-added short-term product supported and prioritized by the state. The formation process of the hot-dip galvanized layer is the process of forming an iron-zinc alloy between the iron substrate and the outermost pure zinc layer. The iron-zinc alloy layer is formed on the surface of the workpiece during hot-dip galvanizing, so that the iron and...

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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