Magnetorheological finishing of chemical-vapor deposited zinc sulfide via chemically and mechanically modified fluids
Abstract
In this study, we describe the anisotropy in the material removal rate (MRR) of the polycrystalline, chemical-vapor deposited zinc sulfide (ZnS).We define the polycrystalline anisotropy via microhardness and chemical erosion tests for four crystallographic orientations of ZnS: (100), (110), (111), and (311). Anisotropy in the MRR was studied under magnetorheological finishing (MRF) conditions. Three chemically and mechanically modified magnetorheological (MR) fluids at pH values of 4, 5, and 6 were used to test the MRR variations among the four single-crystal planes. When polishing the single-crystal planes and the polycrystalline with pH 5 and pH 6MR fluids, variations were found in the MRR among the four single-crystal planes and surface artifacts were observed on the polycrystalline material. When polishing the single-crystal planes and the polycrystalline with the modified MR fluid at pH 4, however, minimal variation was observed in the MRR among the four orientations and a reduction in surface artifacts was achieved on the polycrystalline material.
- Authors:
-
- Univ. of Rochester, Rochester, NY (United States)
- Publication Date:
- Research Org.:
- Univ. of Rochester, NY (United States)
- Sponsoring Org.:
- USDOE National Nuclear Security Administration (NNSA)
- OSTI Identifier:
- 1242977
- Alternate Identifier(s):
- OSTI ID: 1238407
- Grant/Contract Number:
- NA0001944
- Resource Type:
- Accepted Manuscript
- Journal Name:
- Applied Optics
- Additional Journal Information:
- Journal Volume: 55; Journal Issue: 6; Journal ID: ISSN 0003-6935
- Publisher:
- Optical Society of America (OSA)
- Country of Publication:
- United States
- Language:
- English
- Subject:
- 37 INORGANIC, ORGANIC, PHYSICAL, AND ANALYTICAL CHEMISTRY; polishing; optics at surface; roughness; optical fabrication
Citation Formats
Salzman, Sivan, Romanofsky, Henry J., Giannechini, Lucca J., Jacobs, Stephen D., and Lambropoulos, John C. Magnetorheological finishing of chemical-vapor deposited zinc sulfide via chemically and mechanically modified fluids. United States: N. p., 2016.
Web. doi:10.1364/AO.55.001481.
Salzman, Sivan, Romanofsky, Henry J., Giannechini, Lucca J., Jacobs, Stephen D., & Lambropoulos, John C. Magnetorheological finishing of chemical-vapor deposited zinc sulfide via chemically and mechanically modified fluids. United States. https://doi.org/10.1364/AO.55.001481
Salzman, Sivan, Romanofsky, Henry J., Giannechini, Lucca J., Jacobs, Stephen D., and Lambropoulos, John C. Fri .
"Magnetorheological finishing of chemical-vapor deposited zinc sulfide via chemically and mechanically modified fluids". United States. https://doi.org/10.1364/AO.55.001481. https://www.osti.gov/servlets/purl/1242977.
@article{osti_1242977,
title = {Magnetorheological finishing of chemical-vapor deposited zinc sulfide via chemically and mechanically modified fluids},
author = {Salzman, Sivan and Romanofsky, Henry J. and Giannechini, Lucca J. and Jacobs, Stephen D. and Lambropoulos, John C.},
abstractNote = {In this study, we describe the anisotropy in the material removal rate (MRR) of the polycrystalline, chemical-vapor deposited zinc sulfide (ZnS).We define the polycrystalline anisotropy via microhardness and chemical erosion tests for four crystallographic orientations of ZnS: (100), (110), (111), and (311). Anisotropy in the MRR was studied under magnetorheological finishing (MRF) conditions. Three chemically and mechanically modified magnetorheological (MR) fluids at pH values of 4, 5, and 6 were used to test the MRR variations among the four single-crystal planes. When polishing the single-crystal planes and the polycrystalline with pH 5 and pH 6MR fluids, variations were found in the MRR among the four single-crystal planes and surface artifacts were observed on the polycrystalline material. When polishing the single-crystal planes and the polycrystalline with the modified MR fluid at pH 4, however, minimal variation was observed in the MRR among the four orientations and a reduction in surface artifacts was achieved on the polycrystalline material.},
doi = {10.1364/AO.55.001481},
journal = {Applied Optics},
number = 6,
volume = 55,
place = {United States},
year = {Fri Feb 19 00:00:00 EST 2016},
month = {Fri Feb 19 00:00:00 EST 2016}
}
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