Several hazards in the Low Earth Orbit(LEO) space cause damage mostly on the exposed surface of polymer based materials.......

A new type of metal matrix composite with a composition of Al2O3-33.8Fe-26.2Ni (wt.％) used as inert anode was developed i......

射频离解烃制备了适用于21／4英寸计算机硬磁盘减摩，耐磨保护用的类金刚石碳膜，保护膜厚度不均匀性小于5％，硬度15．2GPa，结合力331MPa，无润滑......