Simulation based on electric field about processing of channels by electrochemical pattern transfer machining

doi:10.16731/j.cnki.1671-3133.2017.06.003

Abstract

Abstract: Electrochemical pattern transfer machining is a kind of methods of channel shaping,in which it’s hard to monitor the change of channel profile and shaping law.In this work,a new approach by employing computer simulation method was applied to simulate the channel forming processing.Mathematical model based on electric field was built and finite element method was selected to analyze and compute the corrosion process of channel by using the time-dependent APDL language based on electrochemical machining shaping theory.The comparison denotes that simulation date deviates from experimental in less than 18% in depth and 6% in width of channel.Accordingly the good agreement between theory and experimental data verified the validation of the computer simulation of the channel machining in Electrochemical Machining (ECM).

Key words: electrochemical pattern transfer, electric field, channel, finite element simulation

CLC Number:

TH16

Wang Zhe, Qian Shuangqing, Cao Hongbei, Zhang Hua, Bao Kai. Simulation based on electric field about processing of channels by electrochemical pattern transfer machining[J]. Modern Manufacturing Engineering, 2017, 441(6): 14-19.

References

[1] 倪红军,汪兴兴,黄明宇,等.质子交换膜燃料电池及其双极板的研究[J].材料科学与工艺,2008(2):250-254.
[2] LIU Y,LIN H.Fabrication of metallic bipolar plate for proton exchange membrane fuel cells by rubber pad forming[J].Journal of Power Sources,2010,195(11):3529-3535.
[3] HUNG J C,LIN C C.Fabrication of micro-flow channels for metallic bipolar plates by a high-pressure hydroforming apparatus[J].Journal of Power Sources,2012,206(1):179-184.
[4] SHANG J,WILKERSON L,AHATKEBICH S,et al.Commercialization of Fuel Cell Bipolar Plate Manufacturing by Electromagnetic Forming.Proceedings of 4th International Conference on High Speed Forming[C].Ohio,USA:,2010:47-56.
[5] JiINC K,KANG C G.Fabrication process analysis and experimental verification for aluminum bipolar plates in fuel cells by vacuum die-casting[J].Journal of Power Sources,2011,196(20):8241-8249.
[6] HUNGJ C,CHANG D H,YIIN C.The fabrication of high-aspect-ratio micro-flow channels on metallic bipolar plates using die-sinking micro-electrical discharge machining[J].Journal of Power Sources,2012,198(1):158-163.
[7] LEE S J,LEE C Y,YANG K T,et al.Simulation and fabrication of micro-scaled flow channels for metallic bipolar plates by the electrochemical micro-machining process[J].Journal of Power Sources,2008,185(2):1115-1121.
[8] AMANI EFETOHI,ABDEL HAMEED R M,ELKATIB K M,et al.Study of different aluminum alloy substrates coated with Ni-Co-P as metallic bipolar plates for PEM fuel cell applications[J].International Journal of Hydrogen Energy,2012,37(14):10807-10817.
[9] CHEN X L,QU N S,LI H S.Improvement of dimensional uniformity on micro-dimple arrays generated by electrochemical micro-machining with an auxiliary electrode[J].International Journal of Advanced Manufacturing Technology,2015,80(9/10/11/12):1-9.
[10] QIAN S,ZHU D,QU N S,et al.Generating micro-dimples array on the hard chrome-coated surface by modified through mask electrochemical micromachining[J].International Journal of Advanced Manufacturing Technology,2010,47(9/10/11/12):1121-1128.
[11] SCHONENBERGER I,ROY S.Microscale pattern transfer without photolithography of substrates[J].Electrochimica Acta,2005,51(5):809-819.
[12] QU N S,ZHANG X F,CHEN X L,et al.Modified microscale pattern transfer without photolithography of substrates[J].Journal of Materials Processing Technology,2015(218):71-79.
[13] 陈明,王明环,彭伟.不同流场构型对微细螺旋孔电解加工的影响[J].机电工程,2009,26(10):87-89.
[14] COSTA H L,HUTCHINGS I M.Development of a maskless electrochemical texturing method[J].Journal of Materials Processing Technology,2009,209(8):3869-3878.
[15] WINKELMANNC,LANG W.Influence of the electrode distance and metal ion concentration on the resulting structure in electrochemical micromachining with structured counter electrodes[J].International Journal of Machine Tools & Manufacture,2013,72(3):25-31.
[16] 钱双庆,张华,鲍凯,等.电解液非线性特性对电解转印加工表面织构定域性影响分析[J].机械设计与制造,2015(10):139-141.
[17] 钱双庆,朱荻,曲宁松,等.活塞环表面微坑电解加工技术的基础研究[J].内燃机学报,2010(2):173-179.