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Co-Ni-W-B nanometer material and preparation method thereof

A technology of nanomaterials and nanospheres, which is applied in the coating process and coating of metal materials, can solve the problems of low hardness and poor wear resistance of coatings, and achieve small porosity, high gripping force and high bonding strength. Effect

Inactive Publication Date: 2016-10-26
WUHU DINGHENG MATERIAL TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] In order to solve the problems of poor wear resistance and low hardness of traditional coatings, the invention provides a Co-Ni-W-B nanomaterial and its preparation method

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0012] A Co-Ni-W-B nanomaterial, its components and the mass parts of each component are 35-48 parts for Ni, 30-45 parts for Co, 15-35 parts for W, 15-25 parts for B, Zn accounts for 1-2 parts, aluminum oxide accounts for 1-2 parts.

[0013] A preparation method of Co-Ni-W-B nanometer material, comprising the following steps:

[0014] (1) Prepare Co-Ni-Al by wet pulverization method 2 o 3 nanospheres;

[0015] (2) Mixing W, B, and Zn with the nanospheres prepared in the step (1) by a surfactant protection method to obtain nanopowders.

Embodiment 2

[0017] A Co-Ni-W-B nanomaterial, its components and the mass parts of each component are 35-48 parts for Ni, 30-45 parts for Co, 15-35 parts for W, 15-25 parts for B, Zn accounts for 1-2 parts, aluminum oxide accounts for 1-2 parts.

[0018] A preparation method of Co-Ni-W-B nanometer material is the same as the first embodiment.

Embodiment 3

[0020] A Co-Ni-W-B nanomaterial, its components and the mass parts of each component are 35-48 parts for Ni, 30-45 parts for Co, 15-35 parts for W, 15-25 parts for B, Zn accounts for 1-2 parts, aluminum oxide accounts for 1-2 parts.

[0021] A preparation method of Co-Ni-W-B nanometer material is the same as the first embodiment.

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PUM

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Abstract

The invention relates to a Co-Ni-W-B nanometer material and a preparation method thereof. The Co-Ni-W-B nanometer material comprises, by mass, 35-48 parts of Ni, 30-45 parts of Co, 15-35 parts of W, 15-25 parts of B, 1-2 parts of Zn and 1-2 parts of aluminum oxide. The preparation method includes the following steps that firstly, nanometer balls of Co-Ni-Al2O3 are prepared through a wet type smashing method; and secondly, the prepared nanometer balls are mixed with W, B and Zn through a surface active agent protection method to prepare nanometer powder. The Co-Ni-W-B nanometer material has the high strength of alloy steel and has beneficial effects of being excellent in corrosion resistance, high in static friction coefficient, and the like, the hardness of a weld layer made from the Co-Ni-W-B nanometer material can reach HRC47, the weld layer has high bonding strength and small porosity and is high bonding strength and grabbing and attaching force, the thickness of the weld layer reaches 6 mm, and compactness is good and is 0.82.

Description

technical field [0001] The invention relates to the technical field of thermal spraying materials, in particular to a Co-Ni-W-B nanometer material and a preparation method thereof. Background technique [0002] Thermal spraying technology is to atomize the ingredients into fine molten droplets or high-temperature particles under the action of high-speed airflow, and spray them on the surface of the processed workpiece at a high flying speed to form a firm covering layer, so that the surface of the workpiece can obtain different hardness and durability. Wear resistance, corrosion resistance, heat resistance, oxidation resistance, heat insulation, insulation, electrical conductivity, sealing, disinfection, anti-microwave radiation and other special physical and chemical properties. There are many kinds of thermal spraying materials. Different materials and different proportions are required under different application requirements. The common defects of existing materials are ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B22F1/00C22C30/06C23C24/10
CPCB22F1/0003C22C30/06C23C24/103
Inventor 薛卫昌程敬卿周乾坤
Owner WUHU DINGHENG MATERIAL TECH