1. 毕业设计（论文）的内容和要求

课题简介：涡轮叶片是航空发动机的关键零件，先进的航空发动机涡轮叶片普遍采用小孔气膜冷却方式，以提高冷却效率，增加涡轮前温度，进而提高发动机的推重比。

由于气膜冷却孔数量众多，孔径小，通常采用高温合金等难加工材料，且表面质量要求高，如加工后的小孔要求无再铸层、无微裂纹等，因此传统的机械加工方法已很难满足加工要求。

电解加工是利用电化学溶解作用进行材料成型的一种加工方法，可实现微小孔的高效、无重铸层加工。

2. 参考文献

[1] F. Klocke, A. Klink, D. Veselovac, D.K. Aspinwall, S.L. Soo, M. Schmidt, J. Schilp, G. Levy, J.-P. Kruth, Turbomachinery component manufacture by application of electrochemical, electro-physical and photonic processes, CIRP Ann#8211;Manu Tech, 63 (2014) 703#8211;726. [2] R.S. Bunker, A review of shaped hole turbine film-cooling technology, J Heat Trans, 127 (2005) 441#8211;453. [3] W. Wang, D. Zhu, N. Qu, S. Huang, X. Fang, Electrochemical drilling with vacuum extraction of electrolyte, J Mater Process Tech, 210 (2010) 238#8211;244. [4] C.C. Wang, H.M. Chow, L.D. Yang, C.T. Lu, Recast layer removal after electrical discharge machining via Taguchi analysis: a feasibility study, J Mater Process Tech, 209 (2009) 4134#8211;4140. [5] N. Mohd Abbas, D.G. Solomon, M. Fuad Bahari, A review on current research trends in electrical discharge machining (EDM), Int J Mach Tool Manu, 47 (2007) 1214#8211;1228. [6] M.P. Jahan, M. Rahman, Y.S. Wong, A review on the conventional and micro-electrodischarge machining of tungsten carbide, Int J Mach Tool Manu, 51 (2011) 837#8211;858. [7] H.T. Lee, T.Y. Tai, Relationship between EDM parameters and surface crack formation, J Mater Process Tech, 142 (2003) 676#8211;683. [8] M. Sen, H. Shan, A review of electrochemical macro- to micro-hole drilling processes, Int J Mach Tool Manu, 45 (2005) 137#8211;152. [9] D. Zhu, W. Wang, X. Fang, N. Qu, Z. Xu, Electrochemical drilling of multiple holes with electrolyte-extraction, CIRP Ann#8211;Manu Tech, 59 (2010) 239#8211;242. [10] B. Lauwers, F. Klocke, A. Klink, A.E. Tekkaya, R. Neugebauer, D. McIntosh, Hybrid processes in manufacturing, CIRP Ann#8211;Manu Tech, 63 (2014) 561#8211;583. [11] M.D. Nguyen, M. Rahman, Y.S. Wong, Simultaneous micro-EDM and micro-ECM in low-resistivity deionized water, Int J Mach Tool Manu, 54 (2012) 55#8211;65. [12] M.D. Nguyen, M. Rahman, Y.S. Wong, Modeling of radial gap formed by material dissolution in simultaneous micro-EDM and micro-ECM drilling using deionized water, Int J Mach Tool Manu, 66 (2013) 95#8211;101. [13] T. Kurita, M. Hattori, A study of EDM and ECM/ECM-lapping complex machining technology, Int J Mach Tool Manu, 46 (2006) 1804#8211;1810. [14] D.K. Chung, H.S. Shin, B.H. Kim, M.S. Park, C.N. Chu, Surface finishing of micro-EDM holes using deionized water, J Micromech Microeng, 19 (2009) 1#8211;7. [15] Z. Zeng, Y. Wang, Z. Wang, D. Shan, X. He, A study of micro-EDM and micro-ECM combined milling for 3D metallic micro-structures, Precis Eng, 36 (2012) 500#8211;509. [16] A. De Silva, H. Schulze, J. McGeough, M. Zybura, Process control and power systems for electrochemical-erosion sinking (ELESIN), Proc 16th Int Symposium Electromach, 2010. [17] B. Jiang, S. Lan, J. Ni, Z. Zhang, Experimental investigation of spark generation in electrochemical discharge machining of non-conducting materials, J Mater Process Tech, 214 (2014) 892#8211;898. [18] X.L. Fang, N.S. Qu, Y.D. Zhang, Z.Y. Xu, D. Zhu, Effects of pulsating electrolyte flow in electrochemical machining, J Mater Process Tech, 214 (2014) 36#8211;43. [19] X.L. Fang, N.S. Qu, Y.D. Zhang, Z.Y. Xu, D. Zhu, Improvement of hole exit accuracy in electrochemical drilling by applying a potential difference between an auxiliary electrode and the anode, J Mater Process Tech, 214 (2014) 556#8211;564.

3. 毕业设计（论文）进程安排

1、2017.12.20-2017.12.29: 查阅文献，熟悉课题背景，做好开题前期工作。

2、2017.12.29-2018.1.13: 在广泛查阅资料的基础上，完成外文翻译、文献综述和开题报告等工作。

3、2018.1.13-2018.3.12: 进行课题的机床图纸绘制等。