Structural and Tribological Properties of MoS2/Polyimide Composites Exposed to Atomic Oxygen Environment

被引：3
|
作者：
Wang, Xiangli [1 ]
机构：
[1] Northwest Univ Nationalities, Coll Elect Engn, Lanzhou 730030, Peoples R China
来源：
APPLIED MATERIALS AND TECHNOLOGIES FOR MODERN MANUFACTURING, PTS 1-4 | 2013年 / 423-426卷
关键词：
polyimide; MoS2; AO irradiation; degradation; tribological properties; LOW-EARTH-ORBIT; HYBRID FILMS; DEGRADATION; EROSION; RESISTANCE; RADIATION; POLYMERS; MOS2;
D O I：
10.4028/www.scientific.net/AMM.423-426.28
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
Effects of atomic oxygen (AO) irradiation on the structural and tribological behaviors of MoS2 filled polyimide (PI) composites were studied by using ball-on-disc tribometer, infrared spectra, X-ray photoelectron spectroscopy and scanning electron microscopy. It was found that the irradiation of AO induced the destruction of polymer molecular structures and formation of volatile products which induced the change of the structure, morphology and tribological properties of samples. The addition of MoS2 filler significantly increased the AO resistance of PI composites due to the formation of MoO3-rich skin layers during AO process. The addition of MoS2 improved the tribological properties of PI before and after AO irradiation.
引用
收藏
页码：28 / 33
页数：6
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