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钛合金表面反应电火花沉积TiN/Ti复合涂层

郝建军, 彭海滨, 黄继华, 马跃进, 李建昌

郝建军, 彭海滨, 黄继华, 马跃进, 李建昌. 钛合金表面反应电火花沉积TiN/Ti复合涂层[J]. 焊接学报, 2009, (11): 69-72.
引用本文: 郝建军, 彭海滨, 黄继华, 马跃进, 李建昌. 钛合金表面反应电火花沉积TiN/Ti复合涂层[J]. 焊接学报, 2009, (11): 69-72.
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HAO Jianjun, PENG Haibin, HUANG Jihua, MA Yuejin, LI Jianchang. TiN/Ti composite coating deposited on titanium alloy substrate by reactive electric-spark[J]. TRANSACTIONS OF THE CHINA WELDING INSTITUTION, 2009, (11): 69-72.
Citation: HAO Jianjun, PENG Haibin, HUANG Jihua, MA Yuejin, LI Jianchang. TiN/Ti composite coating deposited on titanium alloy substrate by reactive electric-spark[J]. TRANSACTIONS OF THE CHINA WELDING INSTITUTION, 2009, (11): 69-72.
shu

钛合金表面反应电火花沉积TiN/Ti复合涂层

  • 1.

    河北农业大学机电工程学院, 河北保定 071001;河北省轻金属材料工程技术研究中心, 河北保定 071000

  • 2.

    河北农业大学机电工程学院, 河北保定 071001

  • 3.

    北京科技大学材料科学与工程学院, 北京 100083

基金项目: 河北省自然科学基金资助项目(E2007000566)

TiN/Ti composite coating deposited on titanium alloy substrate by reactive electric-spark

  • 1.

    College of Electromechanical Engineering, Agriculture University of Hebei, Baoding 071001, Hebei, China;Light Metal Materials Engineering Research Center of Hebei, Baoding 071000, Hebei, China

  • 2.

    College of Electromechanical Engineering, Agriculture University of Hebei, Baoding 071001, Hebei, China

  • 3.

    School of Materials Science and Engineering, University of Science and Technology of Beijing, Beijing 100083, China

摘要

    摘要
  • 摘要: 利用自制的电火花沉积充气密闭式保护装置和DZ 1400型电火花沉积/堆焊机,以工业纯钛TA2为电极,以工业纯氮为保护气和反应气,在TC4钛合金表面上反应电火花沉积制备了TiN/Ti复合涂层.利用扫描电子显微镜(SEM)、X射线衍射仪(XRD)、X射线光电子仪(XPS)分析了涂层的组织、物相和元素组成,利用显微硬度计测定了涂层的显微硬度,利用自制磨损试验装置对比涂层与淬火W18Cr4V高速钢的磨损性能.结果表明,涂层与基体形成良好的冶金结合,涂层主要由钛和反应合成的TiN组成,涂层的平均显微硬度可达1 388 HV0.1,是基体硬度的6倍以上,涂层具有较好的耐磨性.
    Abstract: TiN/Ti composite coating was deposited on TC4 titanium alloy substrate with the self-made special gas-filled-closed electric-spark deposition device and electric-spark deposition machine modeled DZ-1400, the industry pure titanium(TA2) was used as electrode and the industry pure nitrogen gas as shielding and reacting atmosphere.The microstructures, interfacial behavior, phase and element in the coatings were investigated by scanning electronic microscope, X-ray diffraction and X-ray photo spectrum.The microhardness of coatings was tested and its wear-resistance property was tested by the self-made abrasion machine and compared with W18Cr4V rapid steel treated by quenching.The results show that an excellent bonding between the coating and substrate is ensured by the strong metallurgical interface.The coatings are mainly composed of Ti and synthesized TiN. The highest microhardness of coating reaches to 1 388 HV0.1, which is six times higher than that of the substrates.Wear resistance of the coatings is excellent.
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  • 收稿日期:  2008-09-07

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