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电弧离子渗钛对316L不锈钢摩擦学性能的影响
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中国地质大学(北京),中国地质大学(北京),中国地质大学(北京),中国地质大学(北京),中国地质大学(北京),中国地质大学(北京),中国地质大学(北京)

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TG156.8

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国家自然科学基金项目(面上项目,重点项目,重大项目)


Influence of Cathodic Arc Plasma Titanizing on Tribological Properties of 316L Stainless Steels
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China University of Geosciences (Beijing),China University of Geosciences (Beijing),China University of Geosciences (Beijing),China University of Geosciences (Beijing),China University of Geosciences (Beijing),China University of Geosciences (Beijing),China University of Geosciences (Beijing)

Fund Project:

National High Technology Research and Development Program of China (2006AA03A204); Youth Scientific Research Foundation of Central South University of Forestry & Technology (QJ2010001A)

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    摘要:

    本文研究了阴极电弧离子渗钛对316L不锈钢结构及摩擦学性能的影响。结果表明:利用阴极电弧离子渗金属技术在316L不锈钢表面制备的渗钛层峰值钛含量为66 wt.%,渗钛层主要由Fe2Ti和NiTi相组成,渗层与基体结合牢固;表面硬度由基体的200 HV提高到了400HV,硬化层深度约为150 μm;在干摩擦条件下,渗钛的不锈钢样品摩擦系数明显低于未渗钛样品,磨损率降低到未渗钛样品的1/7。未渗钛样品的磨损机制为磨料磨损、氧化磨损和粘着磨损,渗钛样品的磨损主要是渗层局部剥落引起的。

    Abstract:

    The influence of cathodic arc plasma titanizing on the structure and tribological performance of 316L stainless steels was studied by scanning electron microscope, X-ray diffractometer, micro-hardness tester, 3D profile-meter, and reciprocating tribometer in the paper. It was found that the closely adherent titanized layer with a peak titanium content of 66 wt.% can be obtained by cathodic arc plasma titanizing. The titanized layer is composed of Fe2Ti and NiTi; the surface hardness of the titanized layer with a depth of 150μm is increased to 400 HV from 200 HV of original substrate. Under dry friction, the friction coefficient of the titanized layer is obviously lower than that of the original substrate, and the cathodic arc plasma titanizing improves the wear resistance of 316L stainless steels by 6 times. The wear mechanism of the original substrate is abrasive wear, oxidation wear and adhesive wear, while the wear mechanism of the titanized samples is mass loss caused by flaking of the particles in the titanized layer.

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付志强,石佳佳,岳文,王成彪,彭志坚,于翔,康嘉杰.电弧离子渗钛对316L不锈钢摩擦学性能的影响[J].稀有金属材料与工程,2016,45(7):1821~1825.[FU Zhiqiang, Shi Jiajia, Yue Wen, Wang Chengbiao, Peng Zhijian, Yu Xiang, Kang Jiajie. Influence of Cathodic Arc Plasma Titanizing on Tribological Properties of 316L Stainless Steels[J]. Rare Metal Materials and Engineering,2016,45(7):1821~1825.]
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  • 收稿日期:2014-06-20
  • 最后修改日期:2014-07-22
  • 录用日期:2014-08-12
  • 在线发布日期: 2016-10-09
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