Zobrazeno 1 - 10
of 44
pro vyhledávání: '"Michael J. Mirtich"'
Publikováno v:
Surface and Coatings Technology. 51:299-306
Ion source systems in different configurations, have been used to generate unique morphologies for several NASA space applications. The discharge chamber of a 30 cm ion source was successfully used to texture potential space radiator materials for th
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::a78490d734db552d5954fa2e6ea61b5b
https://doi.org/10.1016/0257-8972(92)90254-8
https://doi.org/10.1016/0257-8972(92)90254-8
Publikováno v:
Journal of Spacecraft and Rockets. 27:258-266
At NASA Lewis Research Center, micrometeoroid impact was simulated by accelerating micron-size particles to h> pervelocities. Any changes in the optical properties of surfaces exposed to this impact were then evaluated. The degradation of optical pro
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::b6f20d6ead730e20ec9bcbaa20833d0c
https://doi.org/10.2514/3.26134
https://doi.org/10.2514/3.26134
Autor:
Sharon K. Rutledge, K. K. de Groh, Linda Gebauer, R.F. Lebed, Bruce M. Auer, Bruce A. Banks, C. M. Hill, Michael J. Mirtich
Publikováno v:
The Conference Record of the Twenty-Second IEEE Photovoltaic Specialists Conference - 1991.
The low Earth orbital (LEO) durability of Space Station Freedom (SSF) solar cell array materials and surfaces is evaluated using results from the Long Duration Exposure Facility (LDEF), ground laboratory simulation tests, and Monte Carlo modeling. Th
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::b25620c756cea424d639037d210d8f36
https://doi.org/10.1109/pvsc.1991.169442
https://doi.org/10.1109/pvsc.1991.169442
Autor:
Michael J. Mirtich, James S. Sovey
Publikováno v:
Journal of Vacuum Science and Technology. 15:697-701
An electron bombardment argon ion source was used to ion etch polyimide (Kapton) and fluorinated ethylene propylene, FEP (Teflon). Samples of polyimide and FEP were exposed to 0.5–1.0‐keV Ar ions at ion current densities of 1.0–1.8 mA/cm2 for v
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::119aa6de55685e67caa258b4a278fef9
https://doi.org/10.1116/1.569674
https://doi.org/10.1116/1.569674
Autor:
Michael J. Mirtich, James S. Sovey
Publikováno v:
Journal of Vacuum Science and Technology. 16:809-812
An electron bombardment argon ion source was used to ion etch various metals and fluoropolymers. The metal and fluoropolymers were exposed to 0.5–1.0‐keV Ar ions at ion current densities of 0.2–1.5 mA/cm2 for various exposure times. The resulti
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::82efb250ee338d0406fd8151051603e5
https://doi.org/10.1116/1.570094
https://doi.org/10.1116/1.570094
Autor:
Michael J. Mirtich, Dan Nir
Publikováno v:
Journal of Vacuum Science & Technology A: Vacuum, Surfaces, and Films. 4:560-563
Diamondlike carbon (DLC) films were grown by primary ion beam deposition and the growth rates were measured for various beam energies, types of hydrocarbon gases and their ratio to Ar, and substrate materials. The growth rate had a linear dependence
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::7b101698b2b129ccc14a1793f527810f
https://doi.org/10.1116/1.573886
https://doi.org/10.1116/1.573886
Publikováno v:
Thin Solid Films. 131:245-254
A single and dual ion beam system was used to generate amorphous carbon films with diamond like properties. A methane/argon mixture at a molar ratio of 0.28 was ionized in the low pressure discharge chamber of a 30-cm-diameter ion source. A second io
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::3ee29d9b5b9303b9415e15e66c0f5a41
https://doi.org/10.1016/0040-6090(85)90144-0
https://doi.org/10.1016/0040-6090(85)90144-0
Publikováno v:
Thin Solid Films. 84:295-302
Three experimental research designs investigating candidate materials and processes involved in protective die surface coating procedures by sputter deposition, using ion beam technologies, are discussed. Various pre-test results show that none of th
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::a20e9ef24434bf9298fee42632006946
https://doi.org/10.1016/0040-6090(81)90028-6
https://doi.org/10.1016/0040-6090(81)90028-6
Autor:
Michael J. Mirtich, Michael Kussmaul
Publikováno v:
Surface and Coatings Technology. 33:511-521
A discharge chamber of a 30 cm argon ion source was successfully used to texture potential space radiator materials for the purpose of obtaining values of thermal emittance greater than 0.85 at 700 and 900 K. Some samples were also treated in acid be
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::8423eb523b73adc3bf1aa07fdc3c9491
https://doi.org/10.1016/0257-8972(87)90215-5
https://doi.org/10.1016/0257-8972(87)90215-5
Publikováno v:
Thin Solid Films. 127:107-114
Kapton polyimide oxidizes at significant rates (4.3x10(-24) gram/incident oxygen atom) when exposed in low Earth orbit to the ram atomic oxygen flux. Ion beam sputter deposited thin films of Al2O3 and SiO2 as well as a codeposited mixture of predomin
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::865ac5244aec8887adc6e3b7aa1ae402
https://doi.org/10.1016/0040-6090(85)90216-0
https://doi.org/10.1016/0040-6090(85)90216-0