Modeling and experimental investigation for electrolytic corrosion prevention in high frequency micro EDM using deionized water

被引:8
作者
Chung, Do Kwan [2 ]
Shin, Hong Shik [1 ]
Chu, Chong Nam [3 ]
机构
[1] Hanseo Univ, Dept Aeromech Engn, Heami Myun 356705, Chungnam, South Korea
[2] Dongyang Mirae Univ, Sch Robot & Automat Syst, Seoul 152714, South Korea
[3] Seoul Natl Univ, Sch Mech & Aerosp Engn, Seoul 151742, South Korea
来源
MICROSYSTEM TECHNOLOGIES-MICRO-AND NANOSYSTEMS-INFORMATION STORAGE AND PROCESSING SYSTEMS | 2012年 / 18卷 / 06期
基金
新加坡国家研究基金会;
关键词
Tool Wear; Electrical Discharge Machine; Polarization Resistance; Negative Voltage; Tool Electrode;
D O I
10.1007/s00542-012-1497-x
中图分类号
TM [电工技术]; TN [电子技术、通信技术];
学科分类号
0808 ; 0809 ;
摘要
The characteristics of the prevention of electrolytic corrosion during micro electrical discharge machining (EDM) using deionized water and high frequency bipolar pulse were investigated. Electrolytic corrosion during micro EDM using deionized water was analyzed using an equivalent electrical circuit based on the electrical double layer theory. Based on the analysis and experimental verification, a narrow positive pulse duration should be provided to the workpiece to prevent corrosion. A negative voltage with zero average applied voltage (V-avg,V- app) is also essential for this purpose. If V-avg,V- app is positive or negative, electrolytic corrosion occurs on the workpiece or tool, respectively. Micro holes and 3D structures without corrosion were successfully fabricated using a high frequency bipolar pulse with a pulse duration of 0.2 mu s and a period of 1 mu s, as well as V-avg,V- app = 0 V.
引用
收藏
页码:703 / 712
页数:10
相关论文
共 16 条
[1]  
Bard A., 2001, ELECTROCHEMICAL METH, P102
[2]   Micro electrical discharge milling using deionized water as a dielectric fluid [J].
Chung, Do Kwan ;
Kim, Bo Hyun ;
Chu, Chong Nam .
JOURNAL OF MICROMECHANICS AND MICROENGINEERING, 2007, 17 (05) :867-874
[3]   High Frequency Micro Wire EDM for Electrolytic Corrosion Prevention [J].
Chung, Do Kwan ;
Shin, Hong Shik ;
Kim, Bo Hyun ;
Chu, Chong Nam .
INTERNATIONAL JOURNAL OF PRECISION ENGINEERING AND MANUFACTURING, 2011, 12 (06) :1125-1128
[4]   Recent Researches in Micro Electrical Machining [J].
Chung, Do Kwan ;
Shin, Hong Shik ;
Park, Min Soo ;
Kim, Bo Hyun ;
Chu, Chong Nam .
INTERNATIONAL JOURNAL OF PRECISION ENGINEERING AND MANUFACTURING, 2011, 12 (02) :371-380
[5]   Machining Characteristics of Micro EDM in Water using High Frequency Bipolar Pulse [J].
Chung, Do Kwan ;
Shin, Hong Shik ;
Park, Min Soo ;
Chu, Chong Nam .
INTERNATIONAL JOURNAL OF PRECISION ENGINEERING AND MANUFACTURING, 2011, 12 (02) :195-201
[6]   Surface finishing of micro-EDM holes using deionized water [J].
Chung, Do Kwan ;
Shin, Hong Shik ;
Kim, Bo Hyun ;
Park, Min Soo ;
Chu, Chong Nam .
JOURNAL OF MICROMECHANICS AND MICROENGINEERING, 2009, 19 (04)
[7]   Single-step electrochemical nanolithography of metal thin films by localized etching with an AFM tip [J].
de Abril, O. ;
Guendel, A. ;
Maroun, F. ;
Allongue, P. ;
Schuster, R. .
NANOTECHNOLOGY, 2008, 19 (32)
[8]   Micro electrochemical milling [J].
Kim, BH ;
Ryu, SH ;
Choi, DK ;
Chu, CN .
JOURNAL OF MICROMECHANICS AND MICROENGINEERING, 2005, 15 (01) :124-129
[9]  
Paik WK, 2001, CHEONG MOON GAK SEOU, P53
[10]  
Prentice G, 1991, ELECTROCHEMICAL ENG, P112