综述了原子氧、空间辐射、热循环、高真空、微流星和空间碎片等低地球轨道环境因素对材料性能的影响 ;从地面模拟实验、材料研制与防护涂层的开发等方面提出了急需解决的问题 ,为空间站、人造卫星等低轨道航天器用材料的选择与研制提供了依据 The effects of low earth orbital environmental factors such as atomic oxygen, space radiation, thermal cycling, high vacuum, micro-meteor and space debris on the material properties are reviewed. The urgent need to be solved in terms of ground simulation experiments, material development and development of protective coatings , Providing the basis for the selection and development of materials for low orbit spacecraft such as space station and satellite