目录摘要......................................................................IAbstract...................................................................II第一章绪论...............................................................11.1选题的背景及意义.....................................................11.1.1化学热处理技术.................................................11.1.2电刷镀技术.....................................................21.1.3热喷涂技术.....................................................41.1.4气相沉积镀膜...................................................71.2电火花沉积...........................................................81.2.1电火花沉积工艺的发展概况.......................................91.2.2电火花沉积的理论研究现状......................................101.2.3电火花沉积工艺的发展趋势......................................121.3研究内容及方法.......................................................131.3.1研究内容......................................................131.3.2测试工具......................................................13第二章电火花沉积原理及沉积设备............................................142.1电火花沉积原理、过程及特点..........................................142.1.1电火花沉积原理................................................142.1.2电火花表面强化的沉积过程......................................142.1.3电火花沉积强化的特点..........................................152.2沉积设备的结构......................................................162.3电火花沉积材料的选择................................................17第三章实验过程及分析......................................................193.1表面预处理.........................................................193.2基材的选取与制备...................................................203.2.1试样沉积......................................................213.2.2沉积层线切割..................................................223.2.3镶样处理......................................................23I3.2.4后期处理......................................................243.3实验方法............................................................253.4实验结果与分析......................................................273.4.1电火花沉积层显微观察..........................................273.4.2电火花沉积层成分分析..........................................283.4.3电火花沉积层相结构分析........................................293.4.4电火花沉积层随时间变化规律.........................................................................293.6本章小结............................................................30第四章结论...............................................................32参考文献...................................................................33致谢....................................................................35附录一任务书..............................................................36附录二开题报告............................................................39附录三中文译文............................................................47附录四外文原文............................................................55II摘要本文通过采用新型电火花沉积设备，以WC-Co硬质合金为电极材料，以H13钢为基体材料进行电火花沉积工艺实验。通过工艺试验，研究沉积时间对沉积层厚度的影响规律，用X射线衍射仪分析沉积层的组织结构，通过硬...
