Atomic oxygen interaction with nickel multilayer and antimony oxide doped MoS₂ films [electronic resource]
Sputtered MoS₂ is a solid lubricant capable of ultralow friction coefficients (below 0.05) load-bearing capacity. Since it exhibits low friction in vacuum, low outgassing rate, is non-migrating and lacks organic binders, this material is an attractive lubricant for space mechanisms. To exploit these...
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| Online Access: |
Online Access |
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| Corporate Author: | |
| Format: | Government Document Electronic eBook |
| Language: | English |
| Published: |
Washington, D.C. : Oak Ridge, Tenn. :
United States. Dept. of Energy ; distributed by the Office of Scientific and Technical Information, U.S. Dept. of Energy,
1994.
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| Subjects: |
MARC
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| 086 | 0 | |a E 1.99: conf-941012--1 | |
| 245 | 0 | 0 | |a Atomic oxygen interaction with nickel multilayer and antimony oxide doped MoS₂ films |h [electronic resource] |
| 260 | |a Washington, D.C. : |b United States. Dept. of Energy ; |a Oak Ridge, Tenn. : |b distributed by the Office of Scientific and Technical Information, U.S. Dept. of Energy, |c 1994. | ||
| 300 | |a 25 p. : |b digital, PDF file. | ||
| 336 | |a text |b txt |2 rdacontent. | ||
| 337 | |a computer |b c |2 rdamedia. | ||
| 338 | |a online resource |b cr |2 rdacarrier. | ||
| 500 | |a Published through the Information Bridge: DOE Scientific and Technical Information. | ||
| 500 | |a 12/31/1994. | ||
| 500 | |a "sand--94-0606c" | ||
| 500 | |a " conf-941012--1" | ||
| 500 | |a "DE96001938" | ||
| 500 | |a Joint American Society of Mechanical Engineers/Society of Tribologists and Lubrication Engineers tribology conference, Honolulu, HI (United States), 16-19 Oct 1994. | ||
| 500 | |a Dugger, M.T. | ||
| 520 | 3 | |a Sputtered MoS₂ is a solid lubricant capable of ultralow friction coefficients (below 0.05) load-bearing capacity. Since it exhibits low friction in vacuum, low outgassing rate, is non-migrating and lacks organic binders, this material is an attractive lubricant for space mechanisms. To exploit these new materials to their fullest potential, designers of space-based motion systems require data on the effects of atomic oxygen exposure on dense, sputtered MoS₂. This paper describes the effects of atomic oxygen in low earth orbit on the friction and surface composition of sputtered MoS₂ films. Sputtered multilayer films of MoS₂ with nickel (0.7 nm Ni per 10 nm MoS₂, for 1 μm total film thickness), and MoS₂ cosputtered with antimony oxide (nominally 2 μm thick) were exposed to 2.2 to 2.5 x 10²° oxygen/cm² over a period of 42.25 hours in earth orbit on the United States space shuttle. Identical specimens were kept as controls in desiccated storage for the duration of the mission, and another set was exposed to an equivalent fluence of atomic oxygen in the laboratory. The friction coefficient in air and vacuum, and the composition of worn surfaces, were determined prior to the shuttle flight and again after the shuttle flight. Results are described. | |
| 536 | |b AC04-94AL85000. | ||
| 650 | 7 | |a Silica. |2 local. | |
| 650 | 7 | |a Wear. |2 local. | |
| 650 | 7 | |a Thickness. |2 local. | |
| 650 | 7 | |a Tribology. |2 local. | |
| 650 | 7 | |a Performance. |2 local. | |
| 650 | 7 | |a Friction. |2 local. | |
| 650 | 7 | |a Air. |2 local. | |
| 650 | 7 | |a Solid Lubricants. |2 local. | |
| 650 | 7 | |a Space Flight. |2 local. | |
| 650 | 7 | |a Molybdenum Sulfides. |2 local. | |
| 650 | 7 | |a Space Shuttles. |2 local. | |
| 650 | 7 | |a Binders. |2 local. | |
| 650 | 7 | |a Antimony Oxides. |2 local. | |
| 650 | 7 | |a Oxygen. |2 local. | |
| 650 | 7 | |a Nickel. |2 local. | |
| 650 | 7 | |a Materials Science. |2 edbsc. | |
| 710 | 2 | |a Sandia National Laboratories. |4 res. | |
| 710 | 1 | |a United States. |b Department of Energy. |4 spn. | |
| 710 | 1 | |a United States. |b Department of Energy. |b Office of Scientific and Technical Information. |4 dst. | |
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| 952 | f | f | |p Can circulate |a University of Colorado Boulder |b Online |c Online |d Online |e E 1.99: conf-941012--1 |h Superintendent of Documents classification |i web |n 1 |