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WU Xiaojuan, SU Yunhai, ZHANG Guiqing, MENG Fanling. Thermodynamic characteristics of plasma arc surfacing process with magnetron[J]. TRANSACTIONS OF THE CHINA WELDING INSTITUTION, 2015, 36(6): 65-68.
Citation: WU Xiaojuan, SU Yunhai, ZHANG Guiqing, MENG Fanling. Thermodynamic characteristics of plasma arc surfacing process with magnetron[J]. TRANSACTIONS OF THE CHINA WELDING INSTITUTION, 2015, 36(6): 65-68.
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Thermodynamic characteristics of plasma arc surfacing process with magnetron

  • 1.

    School of Material Science and Engineering, Shenyang Ligong University, Shenyang 110159, China

  • 2.

    School of Material Science and Engineering, Shenyang University of Technology, Shenyan 110870, China

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  • Received Date: November 18, 2014
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  • The water-cooling and magnetic field were used in the process of Fe based alloy plasma surfacing. The parameters of water cooling and magnetic field were adjusted during surfacing. The microstructure of surfacing layer was detected for analyzing the thermodynamics characteristics of iron-based. The results show that, the magnetic field and the forced water-cooling can change the distribution and morphology of hard phase in the surfacing layer. The external austenite transformation barrier and critical nucleation radius is decreased by magnetic field, while the phase transformation driving force increasies, so the nucleation rates of hard phase can be improved. The easy axis of magnetization of Cr7C3 hard phase is the preferred growth direction.
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