Zobrazeno 1 - 10
of 5 335
pro vyhledávání: '"Atomic oxygen"'
Publikováno v:
Industrial Lubrication and Tribology, 2024, Vol. 76, Issue 5, pp. 620-631.
Externí odkaz:
http://www.emeraldinsight.com/doi/10.1108/ILT-02-2024-0051
Autor:
QIAO Jia, HU Wangwang
Publikováno v:
Journal of Aeronautical Materials, Vol 44, Iss 3, Pp 35-42 (2024)
Aiming at the problem that the detection quality and service life of high-precision，ultra-low temperature optical instruments or other precision detection instruments are seriously affected by the weak adsorption capacity of molecular sieve materia
Externí odkaz:
https://doaj.org/article/71d2f94d1a964e28a01ca91283603706
Autor:
Subhayu Sen, John Scott O’Dell, Yongzhe Yan, Lawrence Heilbronn, Haibin Ning, Miria Finckenor, Meghan Carrico, Selvum Pillay
Publikováno v:
Earth and Space Science, Vol 11, Iss 11, Pp n/a-n/a (2024)
Abstract The two primary material requirements for a crewed habitat or spacecraft to operate beyond low earth orbit (LEO) include effective radiation shielding against the space radiation and secondary neutron environment and sufficient structural an
Externí odkaz:
https://doaj.org/article/88f6ea484ac548d49b58ee5d3dbd6d91
Autor:
Yifan Zhang, Shengqi Dai, Zeyu Yin, Weiqing Yan, Qian Li, Heng Yuan, Xu Zhang, Lin Chen, Jun Luo, Xiao Ouyang, Bin Liao, Wei Hao, Jia Zhu
Publikováno v:
SmartMat, Vol 5, Iss 3, Pp n/a-n/a (2024)
Abstract Polyimides externally deployed in spacecraft or satellites extensively have various aerospace hazards, including atomic oxygen (AO) erosion, irradiation degradation, and electrostatic charge/discharge (ESC/ESD). To cope with these challenges
Externí odkaz:
https://doaj.org/article/e79e4e94e4084cf9a24978ec21808b9f
Publikováno v:
Molecules, Vol 29, Iss 22, p 5353 (2024)
Polyimide (PI) is widely used in aerospace applications due to its superior insulating properties. However, the high concentration of atomic oxygen (AO) in low Earth orbit leads to significant performance degradation in PI, and the underlying mechani
Externí odkaz:
https://doaj.org/article/04af7eeb32bb4b2ca563ab42a322ce87
Publikováno v:
Molecules, Vol 29, Iss 18, p 4485 (2024)
Traditional polyimides have highly conjugated structures, causing significant coloration under visible light. Fluorinated colorless polyimides, known for their light weight and excellent optical properties, are considered ideal for future aerospace o
Externí odkaz:
https://doaj.org/article/e43f4752c8b44f609d684405ae6fd5a8
Autor:
Andrea Delfini, Roberto Pastore, Marta Albano, Fabio Santoni, Fabrizio Piergentili, Mario Marchetti
Publikováno v:
Applied Sciences, Vol 14, Iss 13, p 5850 (2024)
Atomic oxygen (AtOx) is a major component of the space environment between 200 and 800 km (LEO—low Earth orbit region) and is the principal source of erosion for exposed aerospace structures. The damage to surface materials is proportional to the A
Externí odkaz:
https://doaj.org/article/471e5b7260024892a1bf7d4273800800
Akademický článek
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Autor:
Shiying Qiao, Lixiang Jiang, Haifu Jiang, Yuming Liu, Yanlin Xu, Zilong Jiao, Naiyuan Cui, Lu Wang
Publikováno v:
Frontiers in Materials, Vol 10 (2023)
Polyimides are polymeric materials that are widely used in spacecraft applications owing to their unique properties. However, exposure to a low-Earth-orbit environment containing atomic oxygen (AO) results in the disintegration of polymeric materials
Externí odkaz:
https://doaj.org/article/3c38fa150cf542aeb43f816ad8c10b32
Publikováno v:
Heliyon, Vol 9, Iss 8, Pp e17431- (2023)
Polymer-matrixed materials are widely used in the spacecrafts' structures. However, crafts located in the LEO（Low Earth Orbit） would suffer from hazardous environment factors when orbiting in the space. It has been reported that the space environ
Externí odkaz:
https://doaj.org/article/c7cf0575661441388c4a1a2f4af8a62c