Please wait a minute...
Shopping Cart Email List Chinese
Advanced Search Fig/Tab
Frontiers of Optoelectronics

ISSN 2095-2759

ISSN 2095-2767(Online)

CN 10-1029/TN

Postal Subscription Code 80-976

Featured Articles  |  Most Downloaded  |  Most Reading
Online Submission Subscribe to Our RSS Content Feed
Front Optoelec Chin    2011, Vol. 4 Issue (2) : 213-216    https://doi.org/10.1007/s12200-011-0170-9
RESEARCH ARTICLE
Investigation of electrorheological fluid for optical finishing
Hui LI1, Haobo CHENG1(), Yunpeng FENG1, H. Y. TAM2, Yongfu WEN1
1. School of Optoelectronics, Beijing Institute of Technology, Beijing 100081, China; 2. Department of Manufacturing Engineering and Engineering Management, City University of Hong Kong, Hong Kong, China
 Download: PDF(174 KB)   HTML
 Export: BibTeX | EndNote | Reference Manager | ProCite | RefWorks
Abstract

Electrorheological (ER) finishing is a promising technique for polishing optical mirrors lenses. Silicone oil-based ER finishing fluid with ceria particles as abrasive was developed, whose dispersed phase was alumina, titanium dioxide, silica, and starch, respectively. Experiments were performed in detail under the voltage of 3000 V, after 25 min of polishing a K9 glass. By using the ER fluid developed in this paper, with 47.62% starch, 47.62% silicone oil, and 4.76% ceria, the surface roughness of the K9 glass was reduced from 8.46 nm Ra to 3.45 nm Ra. The result verifies the validity of the developed ER fluid.
Keywords electrorheological fluid      polishing slurry      shear stress     
Corresponding Author(s): CHENG Haobo,Email:chenghaobo@tsinghua.org.cn   
Issue Date: 05 June 2011
 Cite this article:   
Hui LI,Haobo CHENG,Yunpeng FENG, et al. Investigation of electrorheological fluid for optical finishing[J]. Front Optoelec Chin, 2011, 4(2): 213-216.
 URL:  
https://academic.hep.com.cn/foe/EN/10.1007/s12200-011-0170-9
https://academic.hep.com.cn/foe/EN/Y2011/V4/I2/213
Fig.1  Principle of ER finishing
Fig.1  Principle of ER finishing
formulabasal liquiddispersed phasepolishing abrasive
Asilicone oilaluminaceria
Bsilicone oiltitanium dioxideceria
Csilicone oilsilicaceria
Dsilicone oilstarchceria
Tab.1  ER polishing slurry with different dispersed phases
Fig.2  Shear stress according to applied voltage for fluid with and without ceria. (a) Dispersed phase is silicon dioxide; (b) dispersed phase is titanium dioxide
Fig.2  Shear stress according to applied voltage for fluid with and without ceria. (a) Dispersed phase is silicon dioxide; (b) dispersed phase is titanium dioxide
numberdispersed phase starch/gbasal liquid silicone oil/gpolishing abrasive ceria/g
F13 (30.0 wt.%)7 (70.0 wt.%)
23 (25.6 wt.%)7 (66.7wt.%)0.5 (4.7wt.%)
33 (27.3 wt.%)7 (63.6wt.%)1.0 (9.1 wt.%)
43 (26.1 wt.%)7 (60.9 wt.%)1.5 (13 wt.%)
G14 (40.0 wt.%)6 (60.0 wt.%)
24 (38.1 wt.%)6 (38.1 wt.%)0.5 (4.8 wt.%)
34 (36.4 wt.%)6 (54.4 wt.%)1.0 (9.1 wt.%)
44 (34.8 wt.%)6 (34.8 wt.%)1.5 (13 wt.%)
H15 (50.0 wt.%)5 (50.0 wt.%)
25 (47.6 wt.%)5 (47.6 wt.%)0.5 (4.8 wt.%)
35 (45.5 wt.%)5 (45.5 wt.%)1.0 (9.0 wt.%)
45 (43.5 wt.%)5 (43.5 wt.%)1.5 (13.0 wt.%)
Tab.2  Dispersed phase is starch, ER polishing slurry with different formulas
Fig.3  Shear stress according to applied voltage for formula. (a) 3 g of starch; (b) 4 g of starch; (c) 5 g of starch
Fig.3  Shear stress according to applied voltage for formula. (a) 3 g of starch; (b) 4 g of starch; (c) 5 g of starch
Fig.4  Breakdown voltage versus percent of ceria for content of starch
Fig.4  Breakdown voltage versus percent of ceria for content of starch
Fig.5  Surface roughness () of K9 glass after polishing with ER fluid. (a) Before polishing; (b) after polishing
Fig.5  Surface roughness () of K9 glass after polishing with ER fluid. (a) Before polishing; (b) after polishing
1 Wei C G. Electrorheological Technology - Theory · Material · Engineering Applications. Beijing: Beijing Institute of Technology Press, 2000, 32–33 (in Chinese)
2 Kuriyagawa T, Saeki M, Syoji K. Electrorheological fluid-assisted ultra-precision polishing for small three-dimensional parts. Precision Engineering , 2002, 26(4): 370–380
3 Kim W B, Lee S J, Kim Y J, Lee E S. The electromechanical principle of electrorheological fluid-assisted polishing. International Journal of Machine Tools & Manufacture , 2003, 43(1): 81–88
doi: 10.1016/S0890-6955(02)00143-8
4 Bi F F. Theoretical investigation into electrorheological fluid-enhanced polishing. Dissertation for the Master’s Degree . Guangzhou: Guangdong University of Technology, 2005, 8–53 (in Chinese)
5 Lu J B, Yan Q S, Tian H, Gao W Q. Polishing properties of the Fe3O4 based electrorheological fluid. Lubrication Engineering , 2008, 33(5): 22–25
6 Zhang C L. Experimental and theoretical investigation into electrorheological polishing. Dissertation for the Master’s Degree . Changchun: Jilin University, 2006, 18–55 (in Chinese)
7 Liu W J. Study on electrorheological fluid-assisted polishing of optical glass. Dissertation for the Master’s Degree . Changchun: Jilin University, 2007, 18–42 (in Chinese)
8 Zhao Y W. Theoretical and experimental investigation into electrorheological polishing of WC molding dies. Dissertation for the Master’s Degree . Changchun: Jilin University, 2007, 9–64 (in Chinese)
9 Liu C Q. Research on electrorheological fluid-assisted polishing technique. Dissertation for the Master’s Degree . Beijing: Beijing Institute of Technology, 2007, 14–53 (in Chinese)
Viewed
Full text


Abstract

Cited
  Shared   
  Discussed