Co-Ni-Fe-Cu nanometer coating and preparation method thereof
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A nano-coating, co-ni-fe-cu technology, applied in coating, metal material coating process, melt spraying and other directions, can solve the problems of low hardness and poor wear resistance of the coating, and achieve high strength, The effect of high grip and small porosity
Inactive Publication Date: 2016-11-09
安徽鼎恒再制造产业技术研究院有限公司
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Problems solved by technology
[0004] In order to solve the problems of poor wear resistance and low hardness of traditional coatings, the invention provides a Co-Ni-Fe-Cu nano coating and its preparation method
Method used
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Embodiment 1
[0015] A Co-Ni-Fe-Cu nano coating, the components and the mass parts of each component are 35 parts for Co, 24 parts for Ni, 5 parts for Fe, 3 parts for Cu, 3 parts for Al 2 O 3 1 share and 0.11 share for trace elements.
[0016] The trace elements are W, Mn, Al, and Zn, and the mass ratio of the trace elements is 1:0.5:1:0.5.
[0017] A preparation method of Co-Ni-Fe-Cu nano-coating includes the following steps:
[0018] (1) Co-Ni-Fe-Cu nanospheres are prepared by dry crushing method;
[0019] (2) The nanospheres prepared in step (1) are mixed with W, Mn, Al, Zn and Al by the surfactant protection method 2 O 3 Prepare nano powder;
[0020] (3) The nano coating prepared in step (2) is prepared on the iron-based workpiece by a plasma spray spraying process.
Embodiment 2
[0022] A Co-Ni-Fe-Cu nano-coating, the components and the mass parts of each component are Co for 55 parts, Ni for 39 parts, Fe for 15 parts, Cu for 9 parts, Al 2 O 3 Accounted for 3 shares, and trace elements accounted for 0.68 shares.
[0023] The trace elements are W, Mn, Al, and Zn, and the mass ratio of the trace elements is 1:0.5:1:0.5.
[0024] A preparation method of Co-Ni-Fe-Cu nano-coating is the same as the first embodiment.
Embodiment 3
[0026] A Co-Ni-Fe-Cu nano-coating, the components and the mass parts of each component are 38 parts for Co, 30 parts for Ni, 10 parts for Fe, 5 parts for Cu, and Al 2 O 3 Takes 2 shares, and trace elements account for 0.5 shares.
[0027] The trace elements are W, Mn, Al, and Zn, and the mass ratio of the trace elements is 1:0.5:1:0.5.
[0028] A preparation method of Co-Ni-Fe-Cu nano-coating is the same as the first embodiment.
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Abstract
The invention relates to a Co-Ni-Fe-Cu nanometer coating and a preparation method thereof. The Co-Ni-Fe-Cu nanometer coating comprises the components in parts by mass: 35-55 parts of Co, 45-65 parts of TiO2, 24-39 parts of Ni, 5-15 parts of Fe, 3-9 parts of Cu, 1-3 parts of Al2O3 and 0.11-0.68 part of microelements. The preparation method comprises the following steps of (1) preparing a Co-Ni-Fe-Cu nanometer sphere by using a dry crushing method; (2) mixing the nanometer sphere prepared in the step (1) with W, Mn, Al, Zn and Al2O3 by using a surfactant protection method to prepare nanometer powder; and (3) preparing the nanometer coating on an iron-based workpiece by using the nanometer powder prepared in the step (2) through a plasma spraying process. The Co-Ni-Fe-Cu nanometer coating not only has the high strength of ally steel, but also has the characteristics of excellent corrosion resistance, high static friction coefficient and the like, and the hardness of the prepared welding layer can reach to HRC37.
Description
Technical field [0001] The invention relates to the technical field of thermal spraying materials, in particular to a Co-Ni-Fe-Cu nano coating and a preparation method thereof. Background technique [0002] Thermal spraying refers to a series of processes in which fine and dispersed metallic or non-metallic coating materials are deposited on the surface of a prepared substrate in a molten or semi-melted state to form a certain spray deposition Floor. [0003] The application of thermal spraying technology is mainly limited by the development of thermal spraying materials and process equipment. With the improvement and development of thermal spraying technology, the insufficient performance of materials used in thermal spraying has increasingly become a bottleneck restricting the development of thermal spraying technology. The materials used in the technology have poor bonding strength, high porosity, and poor wear resistance. New thermal spray materials need to make up for these ...
Claims
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Application Information
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