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Applied Optics

Applied Optics


  • Editor: Joseph N. Mait
  • Vol. 48, Iss. 35 — Dec. 10, 2009
  • pp: 6797–6810

Zirconia-coated carbonyl-iron-particle-based magnetorheological fluid for polishing optical glasses and ceramics

Shai N. Shafrir, Henry J. Romanofsky, Michael Skarlinski, Mimi Wang, Chunlin Miao, Sivan Salzman, Taylor Chartier, Joni Mici, John C. Lambropoulos, Rui Shen, Hong Yang, and Stephen D. Jacobs  »View Author Affiliations

Applied Optics, Vol. 48, Issue 35, pp. 6797-6810 (2009)

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We report on magnetorheological finishing (MRF) spotting experiments performed on glasses and ceramics using a zirconia-coated carbonyl-iron (CI)-particle-based magnetorheological (MR) fluid. The zirconia-coated magnetic CI particles were prepared via sol-gel synthesis in kilogram quantities. The coating layer was 50 100 nm thick, faceted in surface structure, and well adhered. Coated particles showed long-term stability against aqueous corrosion. “Free” nanocrystalline zirconia polishing abrasives were cogenerated in the coating process, resulting in an abrasive-charged powder for MRF. A viable MR fluid was prepared simply by adding water. Spot polishing tests were performed on a variety of optical glasses and ceramics over a period of nearly three weeks with no signs of MR fluid degradation or corrosion. Stable material removal rates and smooth surfaces inside spots were obtained.

© 2009 Optical Society of America

OCIS Codes
(120.6660) Instrumentation, measurement, and metrology : Surface measurements, roughness
(160.2750) Materials : Glass and other amorphous materials
(220.4610) Optical design and fabrication : Optical fabrication
(240.5450) Optics at surfaces : Polishing

ToC Category:

Original Manuscript: September 3, 2009
Revised Manuscript: October 7, 2009
Manuscript Accepted: October 7, 2009
Published: December 3, 2009

Shai N. Shafrir, Henry J. Romanofsky, Michael Skarlinski, Mimi Wang, Chunlin Miao, Sivan Salzman, Taylor Chartier, Joni Mici, John C. Lambropoulos, Rui Shen, Hong Yang, and Stephen D. Jacobs, "Zirconia-coated carbonyl-iron-particle-based magnetorheological fluid for polishing optical glasses and ceramics," Appl. Opt. 48, 6797-6810 (2009)

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