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Micro-nano particle reinforced wear-resistant corrosion-resistant laser cladding layer and preparation method thereof

A micro-nano particle, laser cladding technology, applied in the direction of coating, metal material coating process, etc., can solve the problems of economic loss, affecting production efficiency, etc., to improve the service life, wear and corrosion resistance, improve Hardenability effect

Inactive Publication Date: 2019-11-12
HUADIAN ELECTRIC POWER SCI INST CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

The wear and corrosion of key components in these industries under severe conditions of sliding wear, impact abrasive wear, fretting wear and salt spray corrosion cause huge economic losses and seriously affect production efficiency

Method used

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  • Micro-nano particle reinforced wear-resistant corrosion-resistant laser cladding layer and preparation method thereof
  • Micro-nano particle reinforced wear-resistant corrosion-resistant laser cladding layer and preparation method thereof
  • Micro-nano particle reinforced wear-resistant corrosion-resistant laser cladding layer and preparation method thereof

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Embodiment Construction

[0023] The present invention will be further described in detail below in conjunction with the accompanying drawings and examples. The following examples are explanations of the present invention and the present invention is not limited to the following examples.

[0024] The micronanoparticle-enhanced wear-resistant and corrosion-resistant laser cladding layer in this embodiment is prepared from iron-based metal powder and WC particles added to the iron-based metal powder, wherein the WC particles added to the iron-based metal powder The mass percentage is 10%-30%, wherein the iron-based metal powder is composed of C, Fe, Cr, Si, Mn, Mo and V.

[0025] The iron-based metal powder is composed of 0.43%C, 90.81%Fe, 4.79%Cr, 1.17%Si, 0.48%Mn, 1.38%Mo and 0.94%V in mass percentage.

[0026] The WC particles have a particle size of 44-104 μm.

[0027] The particle size of the iron-based metal powder is 44-104 μm.

[0028] The thickness of the wear-resistant and corrosion-resistan...

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Abstract

The invention discloses a micro-nano particle reinforced wear-resistant corrosion-resistant laser cladding layer and a preparation method thereof. The micro-nano particle reinforced wear-resistant corrosion-resistant laser cladding layer is prepared from Fe-based metal powder and WC particles added into the Fe-based metal powder, wherein the particle size of the iron-based metal powder and the particle size of the Fe-based metal powder are consistent, the mass percent of the WC particles added into the Fe-based metal powder is 10-30%, and the Fe-based metal powder is prepared from C, Fe, Cr, Si, Mn, Mo and V. The prepared micro-nano particle reinforced wear-resistant corrosion-resistant laser cladding layer has the advantages of being high in hardness, excellent in sliding friction wear resistance, impact abrasive wear resistance and salt fog corrosion resistance and capable of effectively prolonging the service life of components in electric power, petrochemical engineering and machinery industries, and in addition, the preparation method is simple.

Description

technical field [0001] The invention belongs to the field of material surface coatings, and in particular relates to a micro-nano particle-enhanced wear-resistant and corrosion-resistant laser cladding layer and a preparation method thereof. Background technique [0002] Laser cladding technology, which is closely related to additive manufacturing and 3D printing technology, has increasingly attracted the attention of various countries. Laser cladding technology is an advanced surface modification technology that can be used to manufacture, repair or remanufacture key components in various industries. It has a wide range of applications and fields, including electric power, mining machinery, petrochemicals, railways, automobiles, ships , metallurgy, medical equipment, aviation, machine tools, molds, cutting tools and other industries. The wear and corrosion of key components in these industries under severe conditions of sliding wear, impact abrasive wear, fretting wear and...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C23C24/10C22C38/02C22C38/04C22C38/22C22C38/24
CPCC22C38/02C22C38/04C22C38/22C22C38/24C23C24/103
Inventor 郭岩叶智杨文涛祖平文宋玉张超徐勃聂海军田树高李鹏刚
Owner HUADIAN ELECTRIC POWER SCI INST CO LTD
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