An electrochemomechanical polishing process using magnetorheological fluid

Kyung In Jang, Jongwon Seok, Byung-Kwon Min, Sang Jo Lee

Research output: Contribution to journalArticle

23 Citations (Scopus)

Abstract

A new electrochemomechanical polishing process using a magnetorheological (MR) fluid is proposed in this study. The process uses the electrochemical anodic reactions on an electrically conductive workpiece under an electric field and an electrolytic solution soaked in the same carbonyl iron (CI) particles as those used in the conventional MR polishing process, where the yield stress is controllable through the external magnetic field. Through experiments, we show that the new process is suitable for polishing three-dimensionally configured workpieces made of very hard materials, such as glassy carbon (GC), that are very difficult to polish using conventional processes. To examine the benefits and limitations of the proposed polishing process, a preliminary electrochemical experiment was performed on GC specimens, and the characteristics of the resultant electrochemical reactions in an aqueous electrolytic solution were investigated. The effectiveness of the proposed process was then demonstrated by polishing GC molds designed to replicate a glass channel-mixer structure used for biochemical inspection applications.

Original languageEnglish
Pages (from-to)869-881
Number of pages13
JournalInternational Journal of Machine Tools and Manufacture
Volume50
Issue number10
DOIs
Publication statusPublished - 2010 Oct 1

Fingerprint

Magnetorheological fluids
Polishing
Glassy carbon
Molds
Yield stress
Inspection
Experiments
Electric fields
Magnetic fields
Iron
Glass

All Science Journal Classification (ASJC) codes

  • Mechanical Engineering
  • Industrial and Manufacturing Engineering

Cite this

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An electrochemomechanical polishing process using magnetorheological fluid. / Jang, Kyung In; Seok, Jongwon; Min, Byung-Kwon; Lee, Sang Jo.

In: International Journal of Machine Tools and Manufacture, Vol. 50, No. 10, 01.10.2010, p. 869-881.

Research output: Contribution to journalArticle

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