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Hot-dipped galvanized aluminum alloy containing Mg and Ca for fishery steel wire under marine environment

A marine environment, zinc-aluminum alloy technology, applied in the alloy field, can solve problems such as poor product quality, high production cost, and weak environmental protection measures, and achieve excellent volatility and oxidation resistance, increased oxidation protection, and long sacrifice protection time Effect

Inactive Publication Date: 2018-08-24
GUANGZHOU YUZHI TECH CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Most of the existing hot-dip galvanizing production lines have shortcomings such as backward technology, high zinc consumption, low product output, poor product quality, high production cost, high energy consumption, weak environmental protection measures, and often cause serious environmental pollution. Such production lines are difficult to meet the needs of Chinese nationals. economic take-off

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0016] A fishery steel wire hot-dip coated with Mg and Ca zinc-aluminum alloy under the marine environment of 420-480 degrees. In terms of weight percentage, the chemical composition of the alloy is: Ca: 0.3wt.%, Mg: 2.0wt.%, Ti: 0.3wt.%, Sn: 1.0wt.%, Al: 30.0wt.%, Cr: 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 a hot-dip galvanizing raw mat...

Embodiment 2

[0019] A fishery steel wire hot-dip coated with Mg and Ca zinc-aluminum alloy under the marine environment of 420-480 degrees. In terms of weight percentage, the chemical composition of the alloy is: Ca: 0.5wt.%, Mg: 4.0wt.%, Ti: 0.5wt.%, Sn: 3.0wt.%, Al: 42.0wt.%, Cr: 0.8wt .%, 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 a hot-dip galvanizing raw mat...

Embodiment 3

[0022] A fishery steel wire hot-dip coated with Mg and Ca zinc-aluminum alloy under the marine environment of 420-480 degrees. In terms of weight percentage, the chemical composition of the alloy is: Ca: 0.4wt.%, Mg: 2.5wt.%, Ti: 0.4wt.%, Sn: 1.5wt.%, Al: 35.0wt.%, Cr: 0.6wt .%, 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 a hot-dip galvanizing raw mat...

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PUM

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Abstract

The invention discloses a hot-dipped galvanized aluminum alloy containing Mg and Ca for a fishery steel wire under the marine environment. The hot-dipped galvanized aluminum alloy comprises the ingredients of, in percentage by weight, 0.3-0.5% of Ca, 2.0-4.0% of Mg, 0.3-0.5% of Ti, 1.0-3.0% of Sn, 30.0-42.0% of Al, 0.5-0.8% of Cr and the balance zinc. The hot-dipped galvanized aluminum alloy for the marine fishery steel wire can be used at the temperature of 420-480 DEG C, and better corrosion resistance is achieved compared with a traditional hot-dipped coating. The hot-dipped galvanized aluminum alloy has great significance to prolonging of the service life of the marine fishery steel wire.

Description

technical field [0001] The invention relates to the technical field of alloys, in particular to a zinc alloy. Background technique [0002] The ocean covers about 71% of the earth's surface, and the marine industry has become an important pillar of the world's economic development. The salt concentration in seawater is high, oxygen-rich, and there are a large number of marine microorganisms and macrobiotics. Coupled with the impact of waves and sunlight, the marine corrosion environment is relatively harsh. Corrosion in the marine environment has become the most important factor affecting the safety, service life and reliability of facilities, and has attracted great attention from governments and industries around the world. [0003] The steel wire will corrode in seawater and shorten the service life of the steel wire. For wire ropes used in marine fishing and other offshore operations, improving their corrosion resistance is the key to extending their service life. Hot...

Claims

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Application Information

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Patent Type & Authority Applications(China)
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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