前言 在地球大气层之外飞行的空间飞行器,都要经受因低气压(真空)及其他空间环境造成的各种效应。其中仅真空环境一项,就可引起结构的机械变形,部件的热状态改变,电极间的放电击穿,材料的放气、升华和冷焊等项效应。叠加其他空间环境(如低温、太阳辐射、带电与不带电粒子等)引 Introduction Space vehicles flying outside the Earth’s atmosphere are subject to various effects due to depression (vacuum) and other space environments. Only a vacuum environment, which can cause mechanical deformation of the structure, the thermal state changes in parts, the breakdown between the discharge electrodes, material deflation, sublimation and cold welding and other items. Superposition of other space environment (such as low temperature, solar radiation, charged and uncharged particles, etc.) cited