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Nickel-based molybdenum disulfide powder for laser cladding and preparing method and application method of nickel-based molybdenum disulfide powder

A molybdenum disulfide powder and molybdenum disulfide technology are applied in the field of powder materials, which can solve the problems of limited application scope and application value, long time required for pre-melting layer, unsuitable for industrialization, etc. Reduce the effect of vulcanization

Active Publication Date: 2017-02-22
FUZHOU UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0005] However, the time required for the preparation of the premelted layer by electroplating involved in this scheme is too long, the production efficiency is low, and it is not suitable for industrialization, which limits its application range and application value.

Method used

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  • Nickel-based molybdenum disulfide powder for laser cladding and preparing method and application method of nickel-based molybdenum disulfide powder
  • Nickel-based molybdenum disulfide powder for laser cladding and preparing method and application method of nickel-based molybdenum disulfide powder

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Embodiment 1

[0034] The nickel-based molybdenum disulfide powder for laser cladding includes the following components:

[0035] Molybdenum disulfide: 3%wt, particle size 200 microns;

[0036] Aluminum: 2%wt, particle size 0.1 micron;

[0037] The balance is nickel with a particle size of 50 microns.

[0038] Its preparation process includes the following steps:

[0039] (1) Add the molybdenum disulfide powder, aluminum powder, and nickel powder that have been confirmed in particle size to the ethanol solution, stir it into a paste, then add it to the mixed solution of 80% ethanol and 20% methanol, soak for 10-30min, Remove the dirt on the surface of molybdenum disulfide powder, aluminum powder and nickel powder;

[0040] (2) Select quantitative filter paper to filter separately, and place them in a drying oven at 120°C for drying treatment for 30-60 minutes to remove residual ethanol and methanol;

[0041] (3) Powder mixing, weigh molybdenum disulfide powder and aluminum powder accordi...

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Abstract

The invention discloses nickel-based molybdenum disulfide powder for laser cladding and a preparing method and an application method of the nickel-based molybdenum disulfide powder. The nickel-based molybdenum disulfide powder comprises, 3%wt-8%wt of molybdenum disulfide powder with the granularity being 0.1-2 microns, 2%wt-5%wt of aluminum powder with the granularity being 200-300 microns, and the balance nickel powder with the granularity being 50-100 microns. In the laser cladding process of the nickel-based molybdenum disulfide powder, heat decomposition of the molybdenum disulfide is effectively controlled, then the vulcanization action on an obtained cladding layer through decomposition of the molybdenum disulfide is reduced, and the anti-oxidization performance of the cladding layer is improved.

Description

technical field [0001] The invention relates to the field of powder materials, in particular to nickel-based molybdenum disulfide powder for laser cladding, a preparation method and a use method thereof. Background technique [0002] Laser cladding refers to placing the selected coating material on the surface of the substrate to be clad in different ways, and then irradiating it with laser to melt it and a thin layer on the surface of the substrate at the same time, and form a very low dilution after rapid solidification. The surface coating that is metallurgically combined with the substrate is a process method that significantly improves the wear resistance, corrosion resistance, heat resistance, oxidation resistance and electrical properties of the base surface, so as to achieve the purpose of surface modification or repair, which not only satisfies the specific needs of the material surface Performance requirements, but also save a lot of precious elements. Compared wi...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C23C24/10C22C32/00C22C19/03B22F1/00
CPCC22C19/03C22C32/0089C23C24/103B22F1/105
Inventor 戴品强徐临超
Owner FUZHOU UNIV
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