scholarly journals Characterization of simulated low earth orbit space environment effects on acid-spun carbon nanotube yarns

2019 ◽  
Vol 184 ◽  
pp. 108178 ◽  
Author(s):  
Ryan A. Kemnitz ◽  
Gregory R. Cobb ◽  
Abhendra K. Singh ◽  
Carl R. Hartsfield
Keyword(s):  
Carbon Nanotube ◽  
Orbit Space ◽  
Low Earth Orbit ◽  
Space Environment ◽  
Earth Orbit ◽  
Environment Effects ◽  
Carbon Nanotube Yarns

Response of MoS2-Sb2O3 film to low-earth-orbit space environment

2018 ◽  
Vol 227 ◽  
pp. 161-164 ◽  
Author(s):  
Xiaoming Gao ◽  
Ming Hu ◽  
Yanlong Fu ◽  
Lijun Weng ◽  
Weimin Liu ◽  
...  
Keyword(s):  
Orbit Space ◽  
Low Earth Orbit ◽  
Space Environment ◽  
Earth Orbit

scholarly journals Erosion on Polyimide and Fluorinated Polymers in Combined Low Earth Orbit Space Environment

2005 ◽  
Vol 31 (5) ◽  
pp. 318-323 ◽  
Author(s):  
Kumiko YOKOTA ◽  
Kohei IKEDA ◽  
Masahito TAGAWA ◽  
Akio OKAMOTO
Keyword(s):  
Orbit Space ◽  
Low Earth Orbit ◽  
Space Environment ◽  
Earth Orbit ◽  
Fluorinated Polymers

scholarly journals Effect of thermocycling on the microstructure of Ti-6Al-4V alloy in simulated low Earth orbit space environment

2016 ◽  
Vol 59 (5) ◽  
pp. 363-370 ◽  
Author(s):  
Peng Lv ◽  
Jingbo Xu ◽  
Ruoran Yang ◽  
Conglin Zhang ◽  
Futao Zhang ◽  
...  
Keyword(s):  
Orbit Space ◽  
Low Earth Orbit ◽  
Space Environment ◽  
Earth Orbit

Effects of Atomic Oxygen Irradiation on PDMS/POSS Hybrid Films in Low Earth Orbit Environment

2011 ◽  
Vol 239-242 ◽  
pp. 1368-1371 ◽  
Author(s):  
Mi Mi Song ◽  
Shu Wang Duo ◽  
Ting Zhi Liu
Keyword(s):  
Photoelectron Spectroscopy ◽  
Atomic Oxygen ◽  
Orbit Space ◽  
Low Earth Orbit ◽  
Hybrid Coating ◽  
Space Environment ◽  
Earth Orbit ◽  
Chemical Compositions ◽  
Hybrid Films ◽  
Polyimide Films

In order to improve the atomic oxygen (AO) erosion resistance of polyimide films in low earth orbit space environment, a type PDMS/POSS hybrid coating on polyimide substrate was prepared based on a silanol terminated polydimethylsiloxane (PDMS-OH) and Octakis(trimethylsiloxy)octaprismosilsesquioxane (Q8[Si(CH3)3]8) by copolymerizing process in DMAc solution. The atomic oxygen exposure tests were carried out using a ground-based atomic oxygen simulation facility. The mass loss, surface morphology and surface chemical compositions of PDMS/POSS hybrid films before and after exposure to incremental AO flux were investigated by using microbalance and field emission scanning electron microscopy (FE-SEM) and X-ray photoelectron spectroscopy (XPS), respectively. The data indicated that a silica-rich layer was formed on the surface of the hybrid coating when the coating is exposed to AO flux, which could provide a protective barrier on the surface preventing further degradation of the polymer during extended exposure to AO and obviously improved the AO resistance of polyimide films.

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