1. 毕业设计（论文）的内容和要求

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] Skrabalak G, Kozak J, Zybura M. Optimization of Electrochemical Discharge Machining Process[J]. Proceedings of ISEM XVI, Shanghai, China, 2010:491-496. [2] Nguyen MD, Rahman M, Wong YS. Simultaneous micro-EDM and micro-ECM in low-resistivity deionized water[J]. International Journal of Machine Tools and Manufacture, 2012,54:55-65. [3] Nguyen MD, Rahman M, Wong YS. Transitions of micro-EDM/SEDCM/micro-ECM milling in low-resistivity deionized water[J]. International Journal of Machine Tools Manufacture, 2013,69:48-56. [4] Masuzawa T, Kuo C-L, Fujino M. A combined electrical machining process for micronozzle fabrication[J]. CIRP Annals-Manufacturing Technology, 1994,43(1):189-192. [5] Shin HS, Kim BH, Park MS, Chu CN. Surface finishing of micro-EDM holes using deionized water[J]. Journal of Micromechanics and Microengineering, 2009,19(4):1-7. [6] Schulze HP, Schatzing W. Influences of different contaminations on the electro-erosive and the electrochemical micro-machining[A]. In: Lauwers B, Kruth JP, editors. Proceedings of the Seventeenth Cirp Conference on Electro Physical and Chemical Machining[C]. Procedia CIRP. Amsterdam: Elsevier Science Bv, 2013,58-63. [7] Hung JC, Yan BH, Liu HS, Chow HM. Micro-hole machining using micro-EDM combined with electropolishing[J]. Journal of Micromechanics and Microengineering, 2006,16(8):1480-1486. [8] Zeng Z, Wang Y, Wang Z, Shan D, He X. A study of micro-EDM and micro-ECM combined milling for 3D metallic micro-structures[J]. Precision Engineering, 2012,36(3):500-509. [9] He X, Wang Y, Wang Z, Zeng Z. Micro-hole drilled by EDM-ECM combined processing[A]. In: Tang F, editor. Micro-Nano Technology XIV[C]. Key Engineering Materials. 2013,52-56. [10] Hu MH, Li Y, Zhu XG, Tong H. Influence of side-insulation film on hybrid process of micro EDM and ECM for 3D micro structures[J]. Advanced Materials Research, 2011,230:517-521.

3. 毕业设计（论文）进程安排

2016.12.20-2016.12.29: 查阅文献，熟悉课题背景，做好开题前期工作。

2016.12.29-2017.1.13: 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。

2017.1.13-2017.3.12: 进行课题的机床图纸绘制等。