曲宁松

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教授 博士生导师

招生学科专业:
机械工程 -- 【招收博士、硕士研究生】 -- 机电学院
机械工程(微细制造及微机电系统) -- 【招收硕士研究生】 -- 机电学院
机械 -- 【招收博士、硕士研究生】 -- 机电学院

性别:男

毕业院校:南京航空航天大学

学历:南京航空航天大学

学位:工学博士学位

所在单位:机电学院

办公地点:明故宫校区

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Double-pulsed wire electrochemical micro-machining of type-304 stainless steel

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所属单位:机电学院

发表刊物:J Mater Process Technol

摘要:Traditional wire electrochemical micro-machining (WEMM) of type-304 stainless steel using dilute hydrochloric acid (HCl) generates a certain amount of insoluble electrolysis product that adheres onto the wire. As the machining process continues, a blackened layer is generated on the wire that hampers the machining process. Herein, a double-pulsed WEMM (DP-WEMM) method is proposed to eliminate this blackened layer, effectively so as indicated by experimental results. An optimal negative voltage is determined as −0.3 V. The slot profile and machining stability obtained with DP-WEMM are considerably better than those with traditional WEMM. For the same machining parameters and feed rate, traditional WEMM with dilute HCl manages a 1.8-mm-long slot until short circuit occurs. By contrast, DP-WEMM is terminated manually after a 5.0-mm-long slot is obtained, there having been no short circuit. © 2018 Elsevier B.V.

ISSN号:0924-0136

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发表时间:2019-04-01

合写作者:Gao, Chuanping,He, Haidong,Meng, Lingchao

通讯作者:曲宁松