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Cored wire for preparing anti-corrosion Al-Zn-Mg-Ni amorphous-nanocrystalline composite coating layer

A technology of amorphous nanocrystalline and powder core wire, which is applied in coating, metal material coating process, fusion spraying, etc., to achieve excellent hardness and wear resistance, wide application prospects and good combination effect

Active Publication Date: 2017-04-26
ACADEMY OF ARMORED FORCES ENG PLA +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

So far, there has been no relevant report on the preparation of Al-Zn-Mg-Ni amorphous nanocrystalline composite coatings by using high-speed arc spraying technology

Method used

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  • Cored wire for preparing anti-corrosion Al-Zn-Mg-Ni amorphous-nanocrystalline composite coating layer
  • Cored wire for preparing anti-corrosion Al-Zn-Mg-Ni amorphous-nanocrystalline composite coating layer
  • Cored wire for preparing anti-corrosion Al-Zn-Mg-Ni amorphous-nanocrystalline composite coating layer

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0024] Embodiment 1: A kind of powder core wire material and preparation method thereof for the preparation of corrosion-resistant Al-Zn-Mg-Ni amorphous nanocrystalline composite coating

[0025] Select a 10×0.4 (width 10mm, thickness 0.4mm) pure aluminum strip, first roll it into a U shape, according to the mass percentage of each element in the powder core: 16% Zn, 18% Mg, 4% Ni, weigh Ingredients, put into the powder mixer and mix for 30 minutes, then add it into the U-shaped aluminum tape tank, the filling rate is 38%, and then close the U-shaped aluminum tape tank, so that the powder is coated in it, and after multiple wire drawing Pull and reduce the diameter to 2.0mm in diameter, and finally wind it into a disc shape required for delivery, and form a ready-to-deliver product after measurement and packaging.

[0026] Using the powder core wire material prepared in Example 1 as the material, the spraying process parameters used to prepare the aluminum-based coating by hig...

Embodiment 2

[0028] Embodiment 2: A kind of powder core wire material and preparation method thereof for the preparation of corrosion-resistant Al-Zn-Mg-Ni amorphous nanocrystalline composite coating

[0029] Select a 10×0.4 (width 10mm, thickness 0.4mm) pure aluminum strip, first roll it into a U shape, according to the mass percentage of each element in the powder core: 19% Zn, 16% Mg, 6% Ni, weigh Ingredients, put into the powder mixer and mix for 30 minutes, then add it into the U-shaped aluminum tape tank, the filling rate is 41%, and then close the U-shaped aluminum tape tank, so that the powder is coated in it, and go through multiple wire drawing Pull and reduce the diameter to 2.0mm in diameter, and finally wind it into a disc shape required for delivery, and form a ready-to-deliver product after measurement and packaging.

[0030] With the powder core wire material prepared in Example 2 as the material, the spraying process parameters used to prepare the aluminum-based coating by...

Embodiment 3

[0032] Embodiment 3: A kind of core wire material and its preparation method for preparing corrosion-resistant Al-Zn-Mg-Ni amorphous nanocrystalline composite coating

[0033] Select a 10×0.4 (width 10mm, thickness 0.4mm) pure aluminum strip, first roll it into a U shape, according to the mass percentage of each element in the powder core: 22% Zn, 14% Mg, 8% Ni, weigh Ingredients, put into the powder mixer and mix for 30 minutes, then add it into the U-shaped aluminum tape tank, the filling rate is 44%, then close the U-shaped aluminum tape tank, so that the powder is coated in it, and after multiple wire drawing Pull and reduce the diameter to 2.0mm in diameter, and finally wind it into a disc shape required for delivery, and form a ready-to-deliver product after measurement and packaging.

[0034] With the powder core wire material prepared in Example 3 as material, the spraying process parameters used in the preparation of aluminum-based coatings by high-speed arc spraying te...

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Abstract

The invention discloses a cored wire for preparing an anti-corrosion Al-Zn-Mg-Ni amorphous-nanocrystalline composite coating layer. The cored wire is characterized in that the skin of the cored wire is a pure aluminum belt; a powder core is metal powder of Zn, Mg and Ni, and accounts for 38 to 44 percent of the mass of the wired; and the powder core is prepared from the following components in percentage by mass: 16 to 22 percent of Zn, 14 to 18 percent of Mg and 4 to 8 percent of Ni. The cored wire can be used for preparing an aluminum-based amorphous-nanocrystalline composite coating layer after being machined via a high-speed electric arc spraying technique; the coating layer consists of multiple phases of structures such as an amorphous phase, a nanocrystalline phase and a crystallization phase, and is excellent in corrosion resistance performance; and therefore, the corrosion resistance performance of the surface of a steel structural member can be effectively improved, and the service life can be prolonged.

Description

technical field [0001] The invention belongs to the field of thermal spray coating in the professional surface treatment technology of material processing engineering, and in particular relates to a powder core wire material for preparing corrosion-resistant Al-Zn-Mg-Ni amorphous nanocrystalline composite coating. Background technique [0002] After the chemical or electrochemical reaction between the material and the environment, the corrosion failure of the material will be caused, resulting in the loss of equipment function, causing huge economic losses to the society, and even immeasurable major disasters. Steel is one of the most commonly used equipment materials for human beings, but it is extremely prone to corrosion failure in corrosive media. Therefore, research on how to improve steel anti-corrosion technology has become one of the key concerns of many material researchers. The internal atomic structure of amorphous materials is arranged irregularly and randomly, a...

Claims

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Application Information

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IPC IPC(8): C23C4/131C23C4/08C22C45/08
CPCC22C45/08C23C4/08
Inventor 梁秀兵张志彬徐滨士陈永雄胡振峰蔡志海仝永刚商俊超范建文漆培部
Owner ACADEMY OF ARMORED FORCES ENG PLA
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