Surface-texture evolution of different chemical-vapor-deposited zinc sulfide flats polished with various magnetorheological fluids
Abstract
The macro-structure of chemical-vapor-deposited (CVD) zinc sulfide (ZnS) substrates is characterizedby cone-like structures that start growing at the early stages of deposition. As deposition progresses,these cones grow larger and reach centimeter size in height and millimeter size in width. It is challengingto polish out these features from the top layer, particularly for the magnetorheological finishing (MRF)process. A conventional MR fluid tends to leave submillimeter surface artifacts on the finished surface,which is a direct result of the cone-like structure. Here we describe the MRF process of polishing four CVD ZnS substrates, manufactured by four differentvendors, with conventional MR fluid at pH 10 and zirconia-coated-CI (carbonyl iron) MR fluids at pH 4, 5,and 6. We report on the surface–texture evolution of the substrates as they were MRF polished with thedifferent fluids. We show that performances of the zirconia-coated-CI MR fluid at pH 4 are significantlyhigher than that of the same fluid at pH levels of 5 and 6 and moderately higher than that of a conventionalMR fluid at pH 10. An improvement in surface–texture variability from part to part was also observedwith the pH 4 MR fluid.
- Authors:
-
- Univ. of Rochester, NY (United States). Lab. for Laser Energetics
- Publication Date:
- Research Org.:
- Laboratory for Laser Energetics, University of Rochester, Rochester, NY (United States)
- Sponsoring Org.:
- USDOE National Nuclear Security Administration (NNSA)
- OSTI Identifier:
- 1223344
- Alternate Identifier(s):
- OSTI ID: 1556186
- Grant/Contract Number:
- NA0001944
- Resource Type:
- Journal Article: Accepted Manuscript
- Journal Name:
- Precision Engineering
- Additional Journal Information:
- Journal Volume: 43; Journal Issue: 2016; Journal ID: ISSN 0141-6359
- Country of Publication:
- United States
- Language:
- English
- Subject:
- MRF; CVD ZnS; polishing; pebbles; surface artifacts
Citation Formats
Salzman, S., Romanofsky, H. J., Jacobs, S. D., and Lambropoulos, J. C. Surface-texture evolution of different chemical-vapor-deposited zinc sulfide flats polished with various magnetorheological fluids. United States: N. p., 2015.
Web. doi:10.1016/j.precisioneng.2015.07.011.
Salzman, S., Romanofsky, H. J., Jacobs, S. D., & Lambropoulos, J. C. Surface-texture evolution of different chemical-vapor-deposited zinc sulfide flats polished with various magnetorheological fluids. United States. https://doi.org/10.1016/j.precisioneng.2015.07.011
Salzman, S., Romanofsky, H. J., Jacobs, S. D., and Lambropoulos, J. C. 2015.
"Surface-texture evolution of different chemical-vapor-deposited zinc sulfide flats polished with various magnetorheological fluids". United States. https://doi.org/10.1016/j.precisioneng.2015.07.011. https://www.osti.gov/servlets/purl/1223344.
@article{osti_1223344,
title = {Surface-texture evolution of different chemical-vapor-deposited zinc sulfide flats polished with various magnetorheological fluids},
author = {Salzman, S. and Romanofsky, H. J. and Jacobs, S. D. and Lambropoulos, J. C.},
abstractNote = {The macro-structure of chemical-vapor-deposited (CVD) zinc sulfide (ZnS) substrates is characterizedby cone-like structures that start growing at the early stages of deposition. As deposition progresses,these cones grow larger and reach centimeter size in height and millimeter size in width. It is challengingto polish out these features from the top layer, particularly for the magnetorheological finishing (MRF)process. A conventional MR fluid tends to leave submillimeter surface artifacts on the finished surface,which is a direct result of the cone-like structure. Here we describe the MRF process of polishing four CVD ZnS substrates, manufactured by four differentvendors, with conventional MR fluid at pH 10 and zirconia-coated-CI (carbonyl iron) MR fluids at pH 4, 5,and 6. We report on the surface–texture evolution of the substrates as they were MRF polished with thedifferent fluids. We show that performances of the zirconia-coated-CI MR fluid at pH 4 are significantlyhigher than that of the same fluid at pH levels of 5 and 6 and moderately higher than that of a conventionalMR fluid at pH 10. An improvement in surface–texture variability from part to part was also observedwith the pH 4 MR fluid.},
doi = {10.1016/j.precisioneng.2015.07.011},
url = {https://www.osti.gov/biblio/1223344},
journal = {Precision Engineering},
issn = {0141-6359},
number = 2016,
volume = 43,
place = {United States},
year = {Wed Aug 19 00:00:00 EDT 2015},
month = {Wed Aug 19 00:00:00 EDT 2015}
}
Web of Science
Works referenced in this record:
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Works referencing / citing this record:
Experimental study on chemical mechanical polishing of chalcogenide glasses
journal, January 2019
- Xue, Dongbai; Wang, Peng; Jiao, Lingyan
- Applied Optics, Vol. 58, Issue 8