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Iron-based amorphous coating and preparation method thereof

An iron-based amorphous and coating technology, applied in coating, metal material coating process, melt spraying and other directions, can solve the problem of large porosity, low amorphous content of iron-based amorphous coating, and poor coating quality. Advanced problems, to achieve the effect of high bonding strength and cohesive strength, high cohesive strength, and dense tissue structure

Inactive Publication Date: 2018-09-28
北京福锐克森热喷涂科技有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] However, in the prior art, due to the fact that the arc spraying technology itself is susceptible to oxidation and other factors in the air, the prepared iron-based amorphous coating has a low amorphous content and a large porosity, which makes the coating quality not high.

Method used

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  • Iron-based amorphous coating and preparation method thereof
  • Iron-based amorphous coating and preparation method thereof
  • Iron-based amorphous coating and preparation method thereof

Examples

Experimental program
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Effect test

Embodiment 1

[0059] The 60-150 mesh industrial alloy powder ferrochromium, ferromolybdenum, ferroboron, ferrosilicon, and aluminum powder are based on the mass percentage of elements: 23% Cr, 5% Mo, 5% Al, 2% B, 2% Si, and the balance Fe , and weigh the ingredients.

[0060] The mixed powder after batching is put into a mixer and mixed for 2 hours, after mixing evenly, it is dried and kept warm to obtain a powder core powder.

[0061] Select 12×0.3mm (12mm wide, 0.3mm thick) 304 stainless steel strip, first roll it out of the U-shaped groove, then add the above-mentioned powder core powder into the U-shaped groove according to the filling rate of 37%, and put the U-shaped The groove is closed, and the diameter is reduced to the required diameter of 2 mm by wire drawing to make a powder core wire.

[0062] Using the powder core wire material prepared above, after degreasing, derusting, sandblasting and roughening at 45 # The arc spray coating was prepared on the steel substrate, the spray...

Embodiment 2

[0066] The 60-150 mesh industrial alloy powder ferrochromium, ferromolybdenum, ferroboron, ferrosilicon, and aluminum powder are based on the mass percentage of elements: 15% Cr, 10% Mo, 5% Al, 5% B, 5% Si, and the balance Fe , and weigh the ingredients.

[0067] The mixed powder after batching is put into a mixer and mixed for 2 hours, after mixing evenly, it is dried and kept warm to obtain a powder core powder.

[0068] Choose a 12×0.3mm (12mm wide, 0.3mm thick) ordinary carbon steel strip, first roll out a U-shaped groove, then add the above-mentioned powder core powder into the U-shaped groove according to the filling rate of 40%, and put the U-shaped The shape groove is closed, and the diameter is reduced to the required diameter of 2 mm through wire drawing to make the powder core wire.

[0069] Using the powder core wire material prepared above, after degreasing, derusting, sandblasting and roughening at 45 # The arc spray coating was prepared on the steel substrate,...

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Abstract

The invention provides a preparation method of an iron-based amorphous coating and further provides the iron-based amorphous coating. The preparation method comprises the steps that a powder core wireis sprayed on the surface of a substrate through a high-speed electric arc, and thus the iron-based amorphous coating is obtained; and the powder core wire comprises a powder core, and the powder core comprises the components of, by weight, 15-25% of Cr, 5-15% of Mo, 5-15% of Al, 1-5% of B, 1-5% of Si and the balance Fe. According to the preparation method, the iron-based amorphous coating is obtained by adopting the method that the powder core wire is sprayed through the high-speed electric arc; the adopted powder core wire comprises the specific components, the amorphous coating obtained byspraying the powder core wire with the components through the electric arc is high in amorphous content and good in hardness and corrosion-resistant performance, and the powder core wire is low in raw material cost and does not contain precious metal elements; and the preparation cost is low, and the iron-based amorphous coating can be applied to the field of techniques of corrosion resistance, abrasion resistance and the like on a large scale.

Description

technical field [0001] The invention relates to the technical field of coatings, in particular to an iron-based amorphous coating and a preparation method thereof. Background technique [0002] Amorphous materials have excellent hardness, strength, corrosion resistance and wear resistance compared with crystal alloy coatings of the same composition because they do not have the defects of crystal materials such as grain boundaries, precipitated phases and composition segregation. However, the preparation of amorphous bulk materials requires a rapid solidification process, which requires harsh process conditions, making the preparation technology very difficult, and the disadvantages of brittle fracture at room temperature limit its industrial application. Amorphous materials with unique properties applied in the form of coatings not only overcome the shortcomings of bulk amorphous materials, but also extend the excellent performance of amorphous materials, making it possible ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C23C4/131C22C33/00C22C45/02C23C4/067
Inventor 郭永明
Owner 北京福锐克森热喷涂科技有限公司
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