Paper Title:
Microstructures and Properties of Co-Based Alloy Surfacing Layer with Longitudinal Magnetic Field
  Abstract

In order to systematically study the influence of surfacing current and magnetic field current on hardness and wear resistance of surfacing layer, longitudinal DC magnetic field was applied during plasma arc surfacing Co-based alloy on low-carbon steel. The hardness, wear resistance, microstructure and phase constitution of the surfacing layer were investigated through the tests of hardness, wear, SEM and XRD analysis. The results show that the surfacing current and magnetic field current must be matched properly to achieve the optimal properties of surfacing layer. The optimal values are obtained when the surfacing current is 160A and the magnetic field current is 3A, where the hardness is 43.7 HRC and the wear loss is 0.5493g. The proper electromagnetic stirring induced by electromagnetic field can not only refine the microstructure but also improve the hardness and wear resistance of the surfacing layer.

  Info
Periodical
Advanced Materials Research (Volumes 154-155)
Edited by
Zhengyi Jiang, Xianghua Liu and Jinglong Bu
Pages
1271-1274
DOI
10.4028/www.scientific.net/AMR.154-155.1271
Citation
Y. H. Su, Z. J. Liu, M. Su, "Microstructures and Properties of Co-Based Alloy Surfacing Layer with Longitudinal Magnetic Field", Advanced Materials Research, Vols. 154-155, pp. 1271-1274, 2011
Online since
October 2010
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Price
$32.00
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