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Magnetorheological fluid polishing using an electromagnet with straight pole-piece for improving material removal rate

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Abstract

Mechanical grinding techniques can cause residual stress, micro-cracks, and work hardening in workpieces. Processes employing magnetorheological (MR) fluid aim to reduce subsurface damage by avoiding the direct application of mechanical force. However, the material removal rate (MRR) achieved with processes such as MR fluid polishing is relatively low. In this study, operating conditions to improve MRR are analyzed using the design of experiments method. Through experiment, and using factorial analysis, it is concluded that MRR depends on magnetic field strength, depth of polishing, and polishing time. Based on these results, a re-designed electromagnet is proposed, analyzed, and tested.

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Authors and Affiliations

  1. Department of Mechanical Engineering, Inha University, Incheon, 22212, Korea

    Byung Chan Kim, Jae Hwa Chung & Myeong Woo Cho

  2. Research Institute of Advanced Manufacturing Technology, Korea Institute of Industrial Technology (KITECH), Incheon, 21999, Korea

    Seok Jae Ha & Gil-Sang Yoon

Authors
  1. Byung Chan Kim
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  2. Jae Hwa Chung
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  3. Myeong Woo Cho
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  4. Seok Jae Ha
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  5. Gil-Sang Yoon
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Corresponding author

Correspondence to Seok Jae Ha.

Additional information

Recommended by Associate Editor In-Ha Sung

Byung-Chan Kim received his M.S. in Mechanical Engineering from Inha University, Incheon, Korea, in 2016. He is currently in doctoral course at the Department of Mechanical Engineering at Inha University. His research interest includes laser polishing and MR fluid polishing.

Seok-Jae Ha received his M.S. and Ph.D. degrees in Mechanical Engineering from Inha University, Incheon, Korea, in 2010 and 2015. He is currently a post-doctoral at the Korea Institute of Industrial Technology (KITECH). His research interest includes cutting monitoring, MR fluid polishing, micro machining, and mask-less digital lithography.

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Kim, B.C., Chung, J.H., Cho, M.W. et al. Magnetorheological fluid polishing using an electromagnet with straight pole-piece for improving material removal rate. J Mech Sci Technol 32, 3345–3350 (2018). https://doi.org/10.1007/s12206-018-0637-3

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  • DOI: https://doi.org/10.1007/s12206-018-0637-3

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