Research on the Microstructure and Performance of Co-Based Alloy Surfacing Layer

Hong Mei Wang; Chang Jun Liu

doi:10.4028/www.scientific.net/AMR.652-654.1886

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HomeAdvanced Materials ResearchAdvanced Materials Research Vols. 652-654Research on the Microstructure and Performance of...

Research on the Microstructure and Performance of Co-Based Alloy Surfacing Layer

Abstract:

With the help of applying the welding method of DC transverse magnetic field plasma arc surfacing, the powder of Co-based alloy is built up welding on surface of low carbon steel, the refinement effect of primary and secondary crystal structure inflicted by the magnetic field is confirmed through hardness test, wear resistance test, metallographic test and XRD analysis. And study systematically the law of DC transverse magnetic field influencing the surfacing layer metal hardness and wear resistance. The results show that the mechanical properties of surfacing layer achieve the best value when appropriate overlaying welding current match with magnetic current. "Magnetic blow" can be improved with the addition of transverse magnetic field, improving the stability of overlaying welding arc process.

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Periodical:

Advanced Materials Research (Volumes 652-654)

Pages:

1886-1891

DOI:

https://doi.org/10.4028/www.scientific.net/AMR.652-654.1886

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Online since:

January 2013

Authors:

Hong Mei Wang, Chang Jun Liu

Keywords:

Co-Based Alloy, Microstructure, Plasma Arc Surfacing, Wear Resistance

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