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Novel zinc alloy wire for electric arc spraying and preparation method of coating

A technology of arc spraying and zinc alloy, which is applied in metal material coating process, coating, molten spraying, etc., can solve the problems of difficult alloy thermal spraying process and easy wire breakage, and achieve the effect of solving thermal spraying process problems

Active Publication Date: 2022-04-01
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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  • Novel zinc alloy wire for electric arc spraying and preparation method of coating
  • Novel zinc alloy wire for electric arc spraying and preparation method of coating
  • Novel zinc alloy wire for electric arc spraying and preparation method of coating

Examples

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Effect test

Embodiment 1

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

[0027] (1) Put the custom-made 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%. When the alloy is melted The temperature of the melt exceeds 620°C, and it 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 with an inner diameter of 80mm. The pouring temperature is controlled at 570°C-580°C. The vibration frequency of the mold vibration mechanism is 25-28kHz, the casting speed of the casting slab at the lower mouth of t...

Embodiment 2

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

[0034] (1) Put the custom-made 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%. When the alloy is melted The temperature of the melt exceeds 620°C, and it 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 with an inner diameter of 80mm. The pouring temperature is controlled at 570°C-580°C. The vibration frequency of the mold vibration mechanism is 25-28kHz, the casting speed of the casting slab at the lower mouth of t...

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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) putting a customized zinc-copper-titanium alloy ingot into a 1.5 t induction melting furnace for melting, and then transferring a zinc-copper-titanium alloy melt into a steel ladle; (2) the alloy melt in the steel ladle is moved into an arc-shaped continuous casting machine; (3) after the casting blank is cut into 20m bars, induction heating is performed to 360-375 DEG C, the bars are directly transferred into a continuous rolling unit, and 80mm bars are rolled into 6.4 mm rods through 10 passes of rolling; (4) heating the 6.4 mm Zn-0. 6Cu-0. 3Ti alloy rod material to 85-95 DEG C, and directly transferring the 6.4 mm Zn-0. 6Cu-0. 3Ti alloy rod material into a multi-die continuous wire drawing machine for hot drawing deformation; and (5) the Zn-0. 6Cu-0. 3Ti alloy is sprayed to the surface of the Q235 steel plate through an electric arc spraying method. Compared with the prior art, the method has the advantages that on one hand, the problem that the Zn-Cu-Ti alloy wire is prone to being broken in the forming process is solved, and on the other hand, the problem of the Zn-Cu-Ti alloy thermal spraying process is solved.

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 material and coating for electric arc spraying. Background technique [0002] In the actual application process of Q235 steel, it is easy to corrode in high temperature oxidation and 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 Severe consumption and damage will cause 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 in the process of thermal spraying Zn-Al poses a serious safety hazard to the construction, and the atomized parti...

Claims

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Application Information

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Patent Type & Authority Applications(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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