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首页> 外文会议>ESA SP-591; European Space Mechanisms and Tribology Symposium(ESMATS 2005); 20050921-23; Lucerne(CH) >SURFACE AND TRIBOLOGICAL PROPERTIES OF THE MoS_2 -BASED LUBRICANTS RETRIEVED FROM REAL LEO SPACE ENVIRONMENT: THE FIRST AND SECOND YEAR RESULTS OBTAINED BY SM/SEED
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SURFACE AND TRIBOLOGICAL PROPERTIES OF THE MoS_2 -BASED LUBRICANTS RETRIEVED FROM REAL LEO SPACE ENVIRONMENT: THE FIRST AND SECOND YEAR RESULTS OBTAINED BY SM/SEED

机译：从真实狮子座空间环境中提取的基于MoS_2的润滑剂的表面和摩擦学性质：SM / SEED获得的第一和第二年结果

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摘要

Surface and tribological properties of molybdenum disulfide-based lubricants that were exposed to real low earth orbit space environment were analyzed. Organic binder-type MoS_2 sample was exposed to space environment for one year and two years, and retrieved for analysis. Corresponding ground-based simulation tests were also carried out. XPS and EDS measurements suggested that electron beam and ultraviolet exposure did not affect chemical structure of MoS_2 surfaces. However, atomic oxygen-exposed and flight samples showed surface oxidation. In addition, samples exposed to LEO environment were covered by silicon contamination. Friction coefficient of the flight sample was similar to that of the control sample.
机译：分析了暴露于真实低地球轨道空间环境中的二硫化钼基润滑剂的表面和摩擦学性能。将有机粘合剂型MoS_2样品暴露于太空环境一年零两年，并取回进行分析。还进行了相应的地面模拟测试。 XPS和EDS测量表明，电子束和紫外线照射不会影响MoS_2表面的化学结构。然而，原子氧暴露和飞行样品显示出表面氧化。另外，暴露于LEO环境的样品被硅污染所覆盖。飞行样品的摩擦系数与对照样品的摩擦系数相似。

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