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A new type of zinc alloy wire for electric arc spraying and preparation method of coating

An arc spraying, zinc alloy technology, applied in the direction of metal material coating process, coating, melt spraying, etc., can solve the problems of difficult alloy thermal spraying process, easy wire breakage, etc., and achieve the effect of solving the thermal spraying process problem.

Active Publication Date: 2022-07-22
JIANGSU CUMT DAZHENG SURFACE ENG TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] The technical problem to be solved in the present invention is to overcome the above technical defects and provide a novel method for preparing zinc alloy wire and coating for arc spraying. On the other hand, solve the problem of Zn-Cu-Ti alloy thermal spraying process

Method used

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  • A new type of zinc alloy wire for electric arc spraying and preparation method of coating
  • A new type of zinc alloy wire for electric arc spraying and preparation method of coating
  • A new type of zinc alloy wire for electric arc spraying and preparation method of coating

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Embodiment 1

[0026] A preparation method of a novel zinc alloy wire for electric arc spraying and coating, comprising the following steps:

[0027] (1) Put the customized zinc-copper-titanium alloy ingot into a 1.5t induction melting furnace for melting. The mass percentages of Cu and Ti in the alloy ingot are 0.6% and 0.3% respectively, and the impurity content does not exceed 0.05%. The temperature of the body exceeds 620 °C, and the temperature is kept for 20 minutes. During the heat preservation process, the melt temperature is controlled below 650 °C, and then the zinc-copper-titanium alloy melt is transferred into the ladle.

[0028] (2) Move the alloy melt in the ladle into the arc-shaped continuous casting machine, the mold is a tubular copper mold, the inner diameter is 80mm, the pouring temperature is controlled at 570℃-580℃, and the vibration frequency of the crystallizer vibration mechanism is 25-28kHz, the casting speed at the lower mouth of the mold is 10cm / s-14cm / s, and the ...

Embodiment 2

[0033] A preparation method of a novel zinc alloy wire for electric arc spraying and coating, comprising the following steps:

[0034] (1) Put the customized zinc-copper-titanium alloy ingot into a 1.5t induction melting furnace for melting. The mass percentages of Cu and Ti in the alloy ingot are 0.6% and 0.3% respectively, and the impurity content does not exceed 0.05%. The temperature of the body exceeds 620 °C, and the temperature is kept for 20 minutes. During the heat preservation process, the melt temperature is controlled below 650 °C, and then the zinc-copper-titanium alloy melt is transferred into the ladle.

[0035] (2) Move the alloy melt in the ladle into the arc-shaped continuous casting machine, the mold is a tubular copper mold, the inner diameter is 80mm, the pouring temperature is controlled at 570℃-580℃, and the vibration frequency of the crystallizer vibration mechanism is 25-28kHz, the casting speed at the lower mouth of the mold is 10cm / s-14cm / s, and the ...

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Abstract

The invention discloses a preparation method of a novel zinc alloy wire for electric arc spraying and a coating, which comprises the following steps: (1) placing a customized zinc-copper-titanium alloy ingot into a 1.5t induction melting furnace for melting, and then smelting the zinc-copper-titanium alloy ingot. The titanium alloy melt is transferred into the ladle; (2) The alloy melt in the ladle is moved into the arc continuous casting machine; (3) After the slab is cut into 20m bars, induction heating to 360°C-375°C, and directly Transfer to the continuous rolling unit, and after 10 passes of rolling, 80mm bar stock is rolled into 6.4mm bar stock; (4) 6.4mm Zn‑0.6Cu‑0.3Ti alloy bar stock is heated to 85℃‑95℃, And directly transferred to the multi-mode continuous wire drawing machine for hot drawing deformation; (5) The Zn‑0.6Cu‑0.3Ti alloy was sprayed on the surface of the Q235 steel plate by the arc spraying method. Compared with the prior art, the invention has the advantages that: on the one hand, it solves the problem that the Zn-Cu-Ti alloy wire is easily broken during the forming process; on the other hand, it solves the Zn-Cu-Ti alloy thermal spraying process problem.

Description

technical field [0001] The invention relates to the technical field of alloys and thermal spraying materials, in particular to a preparation method of a novel zinc alloy wire for electric arc spraying and a coating. Background technique [0002] In the actual application process of Q235 steel material, there are problems such as high temperature oxidation and easy corrosion in strong acidic medium. If the metal matrix is ​​exposed to the marine environment for a long time, it will cause the movement of the surface lattice, resulting in chemical corrosion, resulting in Serious wear and tear phenomenon, which will result in significant waste of materials and serious economic losses. In recent years, thermal spraying still uses Zn-Al as the main material, and the improvement of the corrosion resistance and mechanical properties of the coating has reached the upper limit. The aluminum powder splashed during the thermal spraying of Zn-Al poses a serious safety hazard to the cons...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): C22C18/02C23C4/131C23C4/08C22C1/02B22D11/00B21C37/04
Inventor 倪雅许丽丽康壮苏
Owner JIANGSU CUMT DAZHENG SURFACE ENG TECH
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