基于超纯水电解加工的水解离机理研究  

Study of Water Dissociation Based on Electrochemical Machining in Ultrapure Water

作　　者：鲍怀谦[1] 徐家文[1] 

机构地区：[1]南京航空航天大学机电学院,南京210016

出　　处：《宇航材料工艺》2006年第5期58-60,共3页Aerospace Materials & Technology

基　　金：航空科学基金资助(02H52049)

摘　　要：介绍了一种以超纯水为电解液的电解加工工艺方法,即超纯水电解加工技术。研究了阳离子交换膜在超纯水中的水解离机理及工作特性,分析其在超纯水电解加工过程中的作用机理,并进行了水解离试验研究。结果表明:电流密度达到了3.7 A/cm2,电场?度约为2 MV/m,已进入微细电解加工去除材料要求范围,为超纯水微细电解加工的应用奠定了基础。An innovative electrochemical machining technology method using ultrapure water as the electrolyte is introduced, that is the electrochemical machining technology in ultrapure water. Water dissociation mechanism and operational characteristics under the function of cation exchange membrane in ultrapure water are studied. The mechanism of action on electrochemical machining is analyzed. Results show the current density reaches 3.7 A/cm^2 and meets the demands of removing material in micro-ECM, and the base is established for electrochemical machining in ultrapure water.

关 键 词：电解加工 超纯水 水解离 阳离子交换膜 

分 类 号：TQ085[化学工程]