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Surface modification of low carbon martensitic stainless steel by current heating technique in graphite

机译：石墨中电流加热技术对低碳马氏体不锈钢的表面改性

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The tribological and corrosion behaviors of the AISI 420 martensitic stainless steel treated by the current heating technique were studied for tribological and corrosion applications. The steel was treated at the applied electric powers of 100-300W, and characterized by scanning electron microscopy, energy dispersive spectroscopy, hardness test, pin-on-disk tribological test, potentiodynamic polarization test, and electrochemical impedance spectroscopy. The hardness, the coefficient of friction, and the wear rate were improved with the increasing applied electric power, caused by the increase in the formation of M2O3, M23C6, and M7C3. The corrosion behavior of the treated steel tended to improve at the high applied electric power. The steel treated by the current heating technique, in the appropriate condition, is suitable for tribological and corrosion applications. (C) 2016 Elsevier B.V. All rights reserved.
机译：研究了用当前加热技术处理的AISI 420马氏体不锈钢在摩擦和腐蚀方面的摩擦和腐蚀行为。该钢在100-300W的施加功率下进行了处理，并通过扫描电子显微镜，能量色散光谱，硬度测试，针盘摩擦学测试，电位动力学极化测试和电化学阻抗谱进行了表征。随着施加的电功率的增加，由于M2O3，M23C6和M7C3的形成增加，硬度，摩擦系数和磨损率得到改善。在高施加功率下，处理后的钢的腐蚀行为趋于改善。在适当的条件下，用当前的加热技术处理过的钢适用于摩擦学和腐蚀应用。 （C）2016 Elsevier B.V.保留所有权利。

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