Micro Electrochemical Fabrication of Tungsten Tips for Field Emission Electric Propulsion Thruster

摘要：

Emitting tip is one of the primary components of the Field emission electric propulsion (FEEP) thruster, which affects the performance of the thruster. To achieve the required tip size, an electrochemical etching method was used to fabricate the tungsten tips. The effect of the electrochemical etching parameters such as the concentration, the immersion depth and the applied voltage, were explored, and the optimal conditions for tip fabrication were determined. A series of surface treatments were also conducted to improve the wet ability of the emitting tips.

关键词： FEEP Electrochemical etching Emitting tip

作者: Junyi Duan Xiaoming Kang Wansheng Zhao

作者单位: State Key Laboratory of Mechanical System and Vibration, School of Mechanical Engineering, Shanghai Jiao Tong University, 800 Dongchuan Road, Shanghai, 200240, China

会议类型: 国际会议

会议名称: The 16th International Symposium on Electromachining(第16届国际电加工会议)

会议地点: 上海

会议语种:英文

页码: 681-684

在线出版日期: 2010-04-19（万方平台首次上网日期，不代表论文的发表时间）