An Research on Self-Fused Alloy Coating by High Frequency Induction Treatment

Gui Quan Han; Zeng Zhi Zhang

doi:10.4028/www.scientific.net/AMR.413.351

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HomeAdvanced Materials ResearchAdvanced Materials Research Vol. 413An Research on Self-Fused Alloy Coating by High...

An Research on Self-Fused Alloy Coating by High Frequency Induction Treatment

Abstract:

Cold adhesion precoating and then induction fusing, as a new technique of preparing self-fused alloy coating, is presented. The workpiece was precoated with Ni60 powder by an adhesion agent. The precoating dried was heated by a high frequency induction with 100kw output power, 250kHz frequency. Its thermomagnetism, thermal resistivity and induction refusing mechanism were analysed to determine the technological parameters. Comparing the microstructures and the properties of the coatings by cold adhesion, thermal spraying and laser refusing, we may conclude that: (1) One side of the workpiece should be preheated to 200°C before induction, and the range of frequency induction should be selected as 200~250kHz. (2) The microstructure of the coating by cold adhesion is superior to that by thermal spraying, but the particle size range should be 0.047~0.044mm (200~320 meshes). (3) The corrosion resistance of Ni60 coating by cold adhesion is better than by thermal spraying, and the cold adhesion is the best way to prepare the wear resistant coating.

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Periodical:

Advanced Materials Research (Volume 413)

Pages:

351-354

DOI:

https://doi.org/10.4028/www.scientific.net/AMR.413.351

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Online since:

December 2011

Authors:

Gui Quan Han, Zeng Zhi Zhang

Keywords:

Alloy Coating, High Frequency Induction

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References

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