Effect of Electron Beam Scanning on Ni60A Alloy Layer of H13 Steel Surface

De Qiang Wei; Zhen Lei Zhao; Rong Wang

doi:10.4028/www.scientific.net/AMR.815.61

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HomeAdvanced Materials ResearchAdvanced Materials Research Vol. 815Effect of Electron Beam Scanning on Ni60A Alloy...

Effect of Electron Beam Scanning on Ni60A Alloy Layer of H13 Steel Surface

Abstract:

Prepare Ni60A on the H13 steel matrix in thermal spraying. Then, the alloy layer is treated with electron beam in multichannel lapping. Microstructure, the direction of grain growth, the situation of crack initiation on surface modification are analyzed and researched by optical microscope,electron scanning microscope,energy disperse spectroscopy. Experimental results show that the alloy layer which is scan with an electron beam is fuse together with the steel matrix. The organizations of the strengthened layer are dendritic crystal and columnar crystal. Moreover, the grain refinement is well done. Some microcosmic or macroscopic crack appear in the scan regions.

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Progress in Materials Science and Engineering: ICMSE 2013

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Periodical:

Advanced Materials Research (Volume 815)

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61-66

DOI:

https://doi.org/10.4028/www.scientific.net/AMR.815.61

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Online since:

October 2013

Authors:

De Qiang Wei, Zhen Lei Zhao, Rong Wang

Keywords:

Alloy Layer, Electron Beam, Macroscopic Crack, Multichannel Lapping

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