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A kind of preparation method of corrosion-resistant cerium-containing zn-cu-ti coating

A technology of zn-cu-ti and zn-cu-ti-ce is applied in the field of preparation of corrosion-resistant cerium-containing Zn-Cu-Ti coatings, which can solve the problems of unclear influence and unclear coating morphology.

Active Publication Date: 2022-08-09
JIANGSU CUMT DAZHENG SURFACE ENG TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

However, the relevant research work has hardly been carried out, the morphology of hot-dip Zn-Cu-Ti-Ce coatings is not clear, and the effect of Ce content on the properties of Zn-Cu-Ti coatings is also unclear.

Method used

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  • A kind of preparation method of corrosion-resistant cerium-containing zn-cu-ti coating
  • A kind of preparation method of corrosion-resistant cerium-containing zn-cu-ti coating
  • A kind of preparation method of corrosion-resistant cerium-containing zn-cu-ti coating

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Embodiment 1

[0024] A preparation method of a corrosion-resistant cerium-containing Zn-Cu-Ti coating, comprising the following steps:

[0025] (1) Select high-quality sponge titanium and pure copper particles as raw materials for a ratio of 1:1, and smelt in a vacuum arc melting furnace with electromagnetic stirring conditions to prepare Cu-50Ti master alloy.

[0026] (2) Using pure copper particles, pure zinc and pure cerium as raw materials, the Zn-10Cu and Zn-3Ce master alloys were prepared by using a resistance furnace. .

[0027] (3) Using pure Zn, Cu-50Ti, Zn-10Cu and Zn-3Ce master alloy as raw materials, the Zn-0.75Cu-0.15Ti-0.1Ce immersion plating solution was prepared by using a resistance furnace, and the Zn block was first melted during smelting, and the selected The temperature is about 650°C. After the Zn block is completely melted, the intermediate alloy is added, and the temperature is kept at 650°C for at least 4 hours.

[0028] (4) Before the hot dip plating experiment, ...

Embodiment 2

[0031] A preparation method of a corrosion-resistant cerium-containing Zn-Cu-Ti coating, comprising the following steps:

[0032] (1) Select high-quality sponge titanium and pure copper particles as raw materials for a ratio of 1:1, and smelt in a vacuum arc melting furnace with electromagnetic stirring conditions to prepare Cu-50Ti master alloy.

[0033] (2) Using pure copper particles, pure zinc and pure cerium as raw materials, the Zn-10Cu and Zn-3Ce master alloys were prepared by using a resistance furnace. .

[0034] (3) Using pure Zn, Cu-50Ti, Zn-10Cu and Zn-3Ce master alloy as raw materials, the Zn-0.75Cu-0.15Ti-0.2Ce immersion plating solution was prepared by using a resistance furnace, and the Zn block was first melted during smelting, and the selected The temperature is about 650°C. After the Zn block is completely melted, the intermediate alloy is added, and the temperature is kept at 650°C for at least 4 hours.

[0035] (4) Before the hot dip plating experiment, ...

Embodiment 3

[0038] A preparation method of a corrosion-resistant cerium-containing Zn-Cu-Ti coating, comprising the following steps:

[0039] (1) Select high-quality sponge titanium and pure copper particles as raw materials for a ratio of 1:1, and smelt in a vacuum arc melting furnace with electromagnetic stirring conditions to prepare Cu-50Ti master alloy.

[0040] (2) Using pure copper particles, pure zinc and pure cerium as raw materials, the Zn-10Cu and Zn-3Ce master alloys were prepared by using a resistance furnace. .

[0041](3) Using pure Zn, Cu-50Ti, Zn-10Cu and Zn-3Ce master alloy as raw materials, the Zn-0.75Cu-0.15Ti-0.3Ce immersion plating solution was prepared by using a resistance furnace, and the Zn block was first melted during smelting, and the selected The temperature is about 650°C. After the Zn block is completely melted, the intermediate alloy is added, and the temperature is kept at 650°C for at least 4 hours.

[0042] (4) Before the hot dip plating experiment, t...

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Abstract

The invention discloses a preparation method of a corrosion-resistant cerium-containing Zn-Cu-Ti coating, comprising the following steps: (1) selecting high-quality sponge titanium and pure copper particles as raw materials for a ratio of 1:1, and using materials with electromagnetic stirring conditions The vacuum arc melting furnace was used for melting to prepare Cu‑50Ti master alloy. (2) Weighing pure zinc ingots and pure cerium ingots in a mass ratio of 50:1, and smelting them in a common resistance furnace to prepare a zinc-cerium master alloy. (3) During hot dip plating, the composition Zn‑0.75Cu‑0.15Ti‑Ce is first smelted, the Zn block is melted first, and the Cu‑50Ti master alloy and the zinc cerium master alloy are put into it. (4) Before hot-dip plating, the surface of Q235 is aided by plating; (5) The hot-dip coating temperature is set at 700°C, and after immersion for 20-30s, take out, pull at a speed of 1.5cm / s, take out and put in ultra-pure Cool in water. The advantages of the present invention: on the one hand, use the Zn-Cu-Ti coating containing Ce to further improve the corrosion resistance of the hot-dip Zn-Cu-Ti alloy coating; The problem of Ti coating hot dip coating process.

Description

technical field [0001] The invention relates to the technical field of alloys and hot dip coating spraying materials, in particular to a preparation method of a corrosion-resistant cerium-containing Zn-Cu-Ti 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, with the development of industrial production, new requirements will be put forward for the corrosion resistance of workpieces, and the limitations of traditional materials will be exposed. It is an inevitable trend to develop new hot-dip plating materials. At present, Zn-Al is s...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): C22C1/02C22C1/03C22C9/00C22C14/00C22C18/00C22C18/02C23C2/02C23C2/06
Inventor 倪雅康壮苏
Owner JIANGSU CUMT DAZHENG SURFACE ENG TECH
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