Last edited by Dajinn
Thursday, August 6, 2020 | History

3 edition of Atomic oxygen exposure of power system and other spacecraft materials found in the catalog.

Atomic oxygen exposure of power system and other spacecraft materials

Atomic oxygen exposure of power system and other spacecraft materials

results of the EOIM-3 experiment

  • 3 Want to read
  • 11 Currently reading

Published by National Aeronautics and Space Administration, National Technical Information Service, distributor in [Washington, DC, Springfield, Va .
Written in English

    Subjects:
  • Refractory metals.,
  • Space missions.,
  • Oxygen.,
  • Surface reactions.,
  • Space transportation system.,
  • Insultion.,
  • Reactivity.,
  • Oxygen atoms.

  • Edition Notes

    StatementThomas L. Morton and Dale C. Ferguson.
    SeriesNASA technical memorandum -- 107427.
    ContributionsFerguson, Dale C., United States. National Aeronautics and Space Administration.
    The Physical Object
    FormatMicroform
    Pagination1 v.
    ID Numbers
    Open LibraryOL15503668M

      There have been five Materials International Space Station Experiment (MISSE) passive experiment carriers (PECs) (MISSE 1–5) to date which have been launched, exposed in space on the exterior of International Space Station (ISS) and then returned to Earth for analysis. An additional four MISSE PECs (MISSE 6A, 6B, 7A & 7B) are in various stages of completion. The preparation of ultra-thin CFRP laminates, which incorporate a cycloaliphatic epoxy resin reinforced with polyhedral oligomeric silsesquioxane (POSS) reagent nanofiller, using out-of-autoclave procedure is reported. The influence of the amount of POSS within the laminate on the mechanical properties and surface roughness of the laminates is analysed before and after exposure to atomic.

    A huge thank you goes out to Tim O’Donnell of JPL. Tim was in charge of getting Cal Poly the Micro-VCM apparatus that was used in this thesis. Throughout the refurbishing proces. @article{osti_, title = {Atomic oxygen interaction with spacecraft materials: Relationship between orbital and ground-based testing for materials certification}, author = {Cross, J B and Koontz, S L and Lan, E H}, abstractNote = {The effects of atomic oxygen on boron nitride, silicon nitride, solar cell interconnects used on the Intelsat 6 satellite, organic polymers, and MoS{sub 2} and.

    Atomic oxygen erosion. There are only a handful of facilities around the globe that can reliably generate atomic oxygen for this kind of testing. LEOX generates atomic oxygen at energy levels that are equivalent to orbital speed – km/s – to simulate the space environment as closely as possible. Protection of polymeric materials from the atomic oxygen erosion in low-earth orbit spacecrafts has become one of the most important research topics in aerospace science. In the current research, a series of novel organic/inorganic nanocomposite films with excellent atomic oxygen (AO) resistance are prepared from the phosphorous-containing polyimide (FPI) matrix and trisilanolphenyl polyhedral.


Share this book
You might also like
Essays in phenomenology

Essays in phenomenology

Welcome to My Country (78 Vols.)

Welcome to My Country (78 Vols.)

Proceedings 1997 [of the] 34th Design Automation Conference, Anaheim, Ca, June 9-13, 1997.

Proceedings 1997 [of the] 34th Design Automation Conference, Anaheim, Ca, June 9-13, 1997.

Economic inequality

Economic inequality

Meditation for fidgety skeptics

Meditation for fidgety skeptics

EVEREADY INDUSTRIES INDIA LTD.

EVEREADY INDUSTRIES INDIA LTD.

K-theory

K-theory

Living and Choosing the Life I Live

Living and Choosing the Life I Live

martensite phase transition in NiTi studied by perturbed [gamma]-[gamma] angular correlations

martensite phase transition in NiTi studied by perturbed [gamma]-[gamma] angular correlations

My book of transportation.

My book of transportation.

works of the eminent and most learned prelate Dr. Edw. Stillingfleet

works of the eminent and most learned prelate Dr. Edw. Stillingfleet

Water chemistry

Water chemistry

Who will cross the Jordan?

Who will cross the Jordan?

Will anyone search for Danny?

Will anyone search for Danny?

Atomic oxygen exposure of power system and other spacecraft materials Download PDF EPUB FB2

The Atomic Oxygen Exposure Vacuum Chamber at Glenn enables cutting-edge research into the uses of atomic oxygen. Deborah Waters, of the Space Environment and Experiments Branch, works with the End Hall oxygen ion source.

Photo Credit: NASA NASA has worked, on a reimbursable basis, with a multitude of parties interested in atomic oxygen. Glenn. Atomic Oxygen Exposure of Power System and other Spacecraft Materials: Results of the EOIM-3 Experiment: NTRS Full-Text: View Document [PDF Size: MB]: Author and Affiliation:Cited by: 3.

Oxygen molecules (two oxygen atoms bonded together as O 2) decompose into two separate oxygen atoms, or atomic oxygen. Because the unpaired atoms react very easily with other materials, they are very destructive to spacecraft and satellites, but very beneficial for cleaning surfaces on Earth.

Get this from a library. Atomic oxygen exposure of power system and other spacecraft materials: results of the EOIM-3 experiment. [Thomas L Morton; Dale C Ferguson; United States. National Aeronautics and Space Administration.]. Four atomic oxygen fluence monitors were flown as part of the Materials International Space Station Experiment 7 (MISSE 7) to measure the atomic oxygen fluence in the ram, wake, zenith, and nadir.

Spacecraft polymeric materials as well as polymer-matrix carbon-fiber composites can be significantly eroded as a result of exposure to atomic oxygen in low Earth orbit (LEO). Evaluates synergetic effects of Low Earth Orbit atomic oxygen and vacuum ultraviolet radiation on materials.

Exposure of materials under mechanical loading. torr base operating pressure. Sweeping exposure of large components. Synergistic vacuum ultraviolet radiation exposure. Elevated-temperature exposures. Abstract. This lecture addresses the issue of atomic oxygen and its effect on the erosion of spacecraft materials.

The nature of the reaction with materials is discussed together with observations from various shuttle experiments, the Long Duration Exposure Facility and ground based atomic oxygen. Mir Environment Effects Payload (MEEP), and Materials International Space Station Experiment (MISSE), have shown that spacecraft polymer materials degrade and erode away as a result of exposure to AO.[3] By nature of their organic bonds, polymers tend to have higher erosion yields than other materials.

Atomic oxygen has sufficient. Full text of "Low Earth Orbital Atomic Oxygen Interactions With Materials" See other formats NASA/TM— AIAA Low Earth Orbital Atomic Oxygen Interactions With Materials Bruce A. Banks, Sharon K. Miller, and Kim K. de Groh Glenn Research Center, Cleveland, Ohio August The NASA STI Program Office in Profile Since its founding, NASA has been.

Atomic Oxygen and Space Environment Effects on Aerospace Materials Flown with EOIM-3 Experiment Polymer materials samples mounted on a passive carrier tray were flown aboard the STS Atlantis shuttle as complement to the EOIM-3 (Evaluation of Oxygen Interaction with Materials) experiment to evaluate the effects of atomic oxygen on the materials and to measure the gaseous.

1. Introduction. Atomic oxygen is the principal constituent encountered in low earth orbit (LEO) environmental LEO, the surfaces of satellite materials are exposed to oxygen atoms (AO) impact with a velocity of 8 km/ can oxidize the materials on spacecraft surface, change the properties of the materials, and finally affect the performances and lifetime of spacecraft.

This paper describes results of ground-based simulation of atomic oxygen influence on samples of polymer composites with different fillers. Polyimide and polyamide-imide were used as matrices, and polyorganosiloxanes, inorganic nanoparticles of Al 2 O 3, TiO 2, WC, multiwalled carbon nanotubes, and detonation nanodiamonds were used as on mass loss of composite.

Atomic Oxygen Exposure of Power System and other Spacecraft Materials: Results of the EOIM-3 Experiment. By Dale C. Ferguson and Thomas L. Morton. Abstract. In order to test their reactivity with Atomic Oxygen, twenty five materials were flown on the EOIM-3 (Evaluation of Oxygen Interactions with Materials) portion of the STS Mission.

Atomic oxygen is one of the leading candidates which causes the degradation of materials in space. That's because atomic oxygen is highly. The presence of Atomic Oxygen (AO) in the Low Earth Orbit (LEO) environment is considered one of the main reasons for the degradation of the surfaces exposed to the Space Environment A spacecraft’s orbital velocity of km sec-1 may expose a spacecraft to a stream of AO at energy of approximately 5 eV.

At this energy, atomic oxygen initiates a number of chemical and. To establish the constants used in eq. 13 data is used from atomic oxygen exposure tests in low earth orbit, from atomic oxygen experiments on ground and from oxygen plasma exposure tests.

The total silver loss during the STS-8 flight was measured as 3 µm to µm.(approx. 2½ µm to 3½ µm at the front and ½ µm to 1 µm at the rear.

Atomic oxygen bombardment contributes significantly to surface degradation, erosion, and contamination of materials with which it collides due to its high speed of km/sec compared to an average speed of a spacecraft relative to the atmosphere of km/sec, and high collision energies (4.

Atomic oxygen in LEO 10 Formation and presence of atomic oxygen in LEO 10 Principal of interaction of AO with materials 13 Effect of atomic oxygen on materials in space environment 15 Ground based atomic oxygen facility Lessons Learned from Atomic Oxygen Interaction with Spacecraft Materials in Low Earth Orbit There have been five Materials International Space Station Experiment (MISSE) passive experiment carriers (PECs) (MISSE ) to date that have been launched, exposed in space on the exterior of International Space Station (ISS) and than returned to Earth for analysis.

Of the entire UV spectrum, the VUV radiation ( nm– nm) induces most of the satellite external surfaces degradation. In the space industry, for LEO satellites, it is common to test the materials against atomic oxygen followed by exposure to VUV and submission to thermal cycles (Gouzman et al., ).

Simulation of the influence of atomic oxygen upon spacecraft materials 30 September | Kosmìčna nauka ì tehnologìâ, Vol. 4, No. EOIM-III mass spectrometry and polymer chemistry - July-August Abstract: Atomic oxygen is one of the most important environmental element impacting spacecraft performance in LEO space environment.

Materials used on the surface of the spacecraft may be eroded away through the reaction of Atomic oxygen, which also causes damage to spacecraft components, seriously reducing the spacecraft's orbit life.