Rheological properties of magnetorheological fluid and its finishing application on large aperture BK7 glass

C. Wang; Q. L. Wei; W. Huang; Q. Luo; J. G. He; G. P. Tang

doi:10.1117/12.2020152

9 July 2013 Rheological properties of magnetorheological fluid and its finishing application on large aperture BK7 glass

C. Wang, Q. L. Wei, W. Huang, Q. Luo, J. G. He, G. P. Tang

Author Affiliations +

Proceedings Volume 8786, Pacific Rim Laser Damage 2013: Optical Materials for High Power Lasers; 87861Y (2013) https://doi.org/10.1117/12.2020152
Event: SPIE/SIOM Pacific Rim Laser Damage: Optical Materials for High-Power Lasers, 2013, Shanghai, China

Abstract

The CeO₂ nanoparticles with modified surface and mean sizes distribution during 107.0 nm - 127.7 nm are used as abrasive in magnetorheological finishing (MRF) fluid. The slow rotation dispersion without shearing thinning is better than fast emulsification dispersion. Steady D-shaped finishing spots and high quality precise processing surface with PV=0.1λ, GRMS=0.002λ/cm, Rq=0.83 nm are obtained on a 435 mm x 435 mm BK7 glass under self-developed MRF apparatus.

Citation Download Citation

C. Wang, Q. L. Wei, W. Huang, Q. Luo, J. G. He, and G. P. Tang "Rheological properties of magnetorheological fluid and its finishing application on large aperture BK7 glass", Proc. SPIE 8786, Pacific Rim Laser Damage 2013: Optical Materials for High Power Lasers, 87861Y (9 July 2013); https://doi.org/10.1117/12.2020152

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