<正>Polycrystalline ceramics have heterogeneous meso-structures which result in high singularity in stress distribution.......

近年来,我国航天飞速发展,空间站建立过程中,需要分别对太空舱发射并进行在轨对接、组装。在对接过程中,舱体势必会发生碰撞,为使......