The Leading Role of Atomic Oxygen in the Collocation of Elves and Hydroxyl Nightglow in the Low-Latitude Mesosphere
Sign Up to like & getrecommendations! Published in 2017 at "Journal of Geophysical Research"
DOI: 10.1002/2016ja023681
Abstract: The elve is the dominant type of transient luminous event (TLE) at the base of the E region ionosphere. The hydroxyl nightglow (OH* nightglow hereafter) has been reported at a similar altitude. Statistical studies show… read more here.
Keywords: low latitude; collocation elves; collocation; hydroxyl nightglow ... See more keywords
Effect of atomic oxygen irradiation on the structural and tribological characteristics of polytetrafluoroethylene and its composites
Sign Up to like & getrecommendations! Published in 2017 at "Surface and Interface Analysis"
DOI: 10.1002/sia.6066
Abstract: Based on the ground-based simulation facility, the effects of atomic oxygen (AO) irradiation on the structural and tribological properties of pure polytetrafluoroethylene (PTFE) and carbon fiber and MoS2-filled PTFE composites were studied by scanning electron… read more here.
Keywords: oxygen irradiation; irradiation structural; structural tribological; atomic oxygen ... See more keywords
Property changes in materials due to atomic oxygen in the low Earth orbit
Sign Up to like & getrecommendations! Published in 2021 at "CEAS Space Journal"
DOI: 10.1007/s12567-021-00376-2
Abstract: We expect satellites at altitude below 300 km, very low Earth orbit (VLEO), making observations of the Earth at optical wavelength with increasingly higher resolution. The density of atomic oxygen (AO) at VLEO is significantly higher… read more here.
Keywords: low earth; degradation; earth orbit; bsf ... See more keywords
Effects of atomic oxygen on titanium dioxide thin film
Sign Up to like & getrecommendations! Published in 2018 at "Acta Astronautica"
DOI: 10.1016/j.actaastro.2018.02.024
Abstract: Abstract In low earth orbit (LEO), atomic oxygen (AO) has shown to cause degradation of organic materials used in spacecrafts. Similar to other metal oxides such as SiO2, Al2O3 and ITO, TiO2 has potential to… read more here.
Keywords: tio2; atomic oxygen; effects atomic; film ... See more keywords
Barrier mechanism of multilayers graphene coated copper against atomic oxygen irradiation
Sign Up to like & getrecommendations! Published in 2018 at "Applied Surface Science"
DOI: 10.1016/j.apsusc.2018.03.026
Abstract: Abstract Graphene has been demonstrated as a protective coating for Cu under ambient condition because of its high impermeability and light-weight oxidation barrier. However, it lacks the research of graphene as a protective coating in… read more here.
Keywords: barrier; oxidation; graphene; atomic oxygen ... See more keywords
The effect of atomic oxygen flux and impact energy on the damage of spacecraft metals
Sign Up to like & getrecommendations! Published in 2020 at "Advances in Space Research"
DOI: 10.1016/j.asr.2020.05.021
Abstract: Abstract High-energy atomic impacts represent one of the biggest threats to material performance in both the low earth orbit (LEO) and deep space environment. However, while significant test data exists for LEO atomic oxygen (AO)… read more here.
Keywords: energy; impact; atomic oxygen; damage ... See more keywords
Substantially enhanced durability of polyhedral oligomeric silsequioxane-polyimide nanocomposites against atomic oxygen erosion
Sign Up to like & getrecommendations! Published in 2017 at "European Polymer Journal"
DOI: 10.1016/j.eurpolymj.2017.05.004
Abstract: Abstract Several groups of polyimide (PI)-based nanomaterials reinforced with polyhedral oligomeric silsequioxane (POSS) nanoparticles were subjected to atomic oxygen (AO) exposure to investigate the effects of POSS and glassification plasma pre-treatment. Various characterizations revealed the… read more here.
Keywords: topography; erosion; atomic oxygen; oligomeric silsequioxane ... See more keywords
Responses of TMDs-metals composite films to atomic oxygen exposure
Sign Up to like & getrecommendations! Published in 2018 at "Journal of Alloys and Compounds"
DOI: 10.1016/j.jallcom.2018.06.311
Abstract: Abstract To clarify the ability of reactive metals alloyed transition metal disulfides (TMDs) films resistant to low-earth-orbit (LEO) space exposure, the MoS2-16 at. % Ag film was sputtered and exposed in long-term atomic oxygen (AO) environment.… read more here.
Keywords: irradiation; exposure; composite film; atomic oxygen ... See more keywords
Effects of accelerated aging on thermal, mechanical, and shape memory properties of a cyanate-based shape memory polymer: II atomic oxygen
Sign Up to like & getrecommendations! Published in 2021 at "Polymer Degradation and Stability"
DOI: 10.1016/j.polymdegradstab.2021.109515
Abstract: Abstract As a new kind of smart material with shape changing and fixing abilities, the shape memory polymer (SMP), has become a research hotspot for space deployment structures in recent years. In fact, studying the… read more here.
Keywords: cyanate based; atomic oxygen; shape memory; shape ... See more keywords
POSS enhanced 3D graphene - Polyimide film for atomic oxygen endurance in Low Earth Orbit space environment
Sign Up to like & getrecommendations! Published in 2020 at "Polymer"
DOI: 10.1016/j.polymer.2020.122270
Abstract: Abstract Recently, 3D-graphene infused polyimide (3DC/PI) films have shown to be an effective protection coating for electrostatic discharge in spacecraft. However, these films are not suitable for Low Earth Orbit (LEO) due to atomic oxygen… read more here.
Keywords: low earth; atomic oxygen; poss; earth orbit ... See more keywords
Atomic oxygen erosion resistance of polyimides filled hybrid nanoparticles
Sign Up to like & getrecommendations! Published in 2020 at "Polymer Testing"
DOI: 10.1016/j.polymertesting.2020.106404
Abstract: Abstract In this paper, a new kind of space-durable nanocomposites has been prepared using one-step in situ method of filling organosoluble polyimides (PI). Three types of metalloalkoxysiloxanes (tris-(diethoxymethylsiloxy) aluminum, tetrakis-(diethoxymethylsiloxy) zirconium, pentakis-(diethoxymethylsiloxy) niobium) were used… read more here.
Keywords: oxygen erosion; erosion resistance; erosion; atomic oxygen ... See more keywords