Preparation method of special iron powder for metal object surface spraying and embedding technology

A metal object and technology technology, applied in the field of preparation of metal nano-powder, can solve the problems of unsatisfactory shape of iron powder particles, and achieve the effect of low cost and less use

Inactive Publication Date: 2010-06-30
王惠民
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0007] In order to solve the problem in the prior art that the particle shape of the iron powder used for spraying and embedding on the metal surface is not ideal, the present invention provides a method for preparing iron powder special for spraying and embedding technology on the surface of metal objects

Method used

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  • Preparation method of special iron powder for metal object surface spraying and embedding technology
  • Preparation method of special iron powder for metal object surface spraying and embedding technology
  • Preparation method of special iron powder for metal object surface spraying and embedding technology

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Embodiment 1

[0019] Embodiment 1: a kind of preparation method of special iron powder of metal object surface spray embedding technology, comprises the following steps: (the specific processing method refers to the metal nano-powder zero-boundary particle cutting production process that the patent application number is 2006100481685 record,) at -5 Under the condition of ℃, the number of times of high-frequency cutting is set at 6500 times per minute to produce and process the nano-iron powder of the special spraying and embedding technology with the powder particle shape as a sphere, and then sort out (50nm as an example) D3= 21nm D25=32.5nm D50=50nm D75=63.2nm D97=77.3nm particle distribution powder material, and then use the "DQ coating method" to continue the anti-oxidation coating of iron powder particles with a thickness of 2nm-3nm, The anti-oxidation time is more than 90 hours, and the coated powder material is input into a high-speed grinder for surface grinding of powder particles, ...

Embodiment 2

[0024] Embodiment 2: A preparation method of iron powder specially used for spraying and embedding technology on the surface of metal objects, comprising the following steps: producing and processing powder particles under the condition of 5°C and setting the frequency of high-frequency cutting at 6000 times per minute The shape is the nano-iron powder of the special spray embedding technology of the sphere, and then sort the powder material with the particle distribution of D3=21nm D25=32.5nm D50=50nm D75=63.2nm D97=77.3nm respectively (50nm as an example), and then , and then use the "DQ coating method" to continue the anti-oxidation coating of iron powder particles with a thickness of 2nm-3nm, so that the anti-oxidation time can reach more than 90 hours, and the coated powder material is input into a high-speed grinder for grinding. Surface grinding treatment of powder particles.

Embodiment 3

[0025] Embodiment 3: A method for preparing iron powder for spraying and embedding technology on the surface of metal objects, comprising the following steps: producing and processing powder particles under the condition of 0°C and setting the frequency of high-frequency cutting at 6250 times per minute The shape is the nano-iron powder of the special spray embedding technology of the sphere, and then sort the powder material with the particle distribution of D3=21nm D25=32.5nm D50=50nm D75=63.2nm D97=77.3nm respectively (50nm as an example), and then , and then use the "DQ coating method" to continue the anti-oxidation coating of iron powder particles with a thickness of 2nm-3nm, so that the anti-oxidation time can reach more than 90 hours, and the coated powder material is input into a high-speed grinder for grinding. Surface grinding treatment of powder particles.

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Abstract

The invention relates to a preparation method of metal nano powder, in particular to a preparation method of special iron powder for metal object surface spraying and embedding technology; the preparation method solves the problem that the form of iron powder particles used for spraying and embedding on the metal surface is not ideal in the prior art; the method comprises the following steps: under the condition that the high-frequency cutting times are set as 6000-6500 times per minute, the raw material is processed into nano iron powder with spherical particles at -5-5 DEG C, and then the powder material with particle distribution that D3=21nm, D25-32.5nm, D50=50nm, D75=63.2nm and D97=77.3nm is respectively sorted out, and a DQ cladding method is used to carry out anti-oxidation cladding of the iron powder particle with 2nm-3nm of thickness, and then the surface of the cladded powder particle is ground. The performance of iron powder prepared by the method is good, and the effect is good.

Description

technical field [0001] The invention relates to a method for preparing metal nanopowder, in particular to a method for preparing iron powder special for spraying and embedding technology on the surface of metal objects. Background technique [0002] Spraying and embedding of metal nanopowder materials on metal surfaces is a very cutting-edge technology in the world at present. The advantage of spray embedding technology is that the monomer particles of metal nanopowder materials can be effectively combined with metal substances firmly to form a unique metal surface protection layer. Compared with other spraying, spraying and other processes, it has high precision, uniform structure, excellent performance, low cost, and saves 81.31% of metal powder materials. [0003] Its products are widely used in aerospace, national defense industry, electronic information engineering, biomedical equipment, automobile, machinery, hardware, sports equipment, watch industry, weapon industry...

Claims

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Application Information

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IPC IPC(8): B22F1/02B22F9/04C23C24/00
Inventor 王惠民
Owner 王惠民
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