So I introduce dislocations in steel , film , intelligent ceramics and so on , and carry out multi-scale theoretical study on mechanism of strengthening and toughening and essence of failure of heterogeneous materials in this paper .
本文将位错理论引入金属、薄膜、智能陶瓷等非均质材料中,针对材料的强韧化机理及断裂本质进行多尺度系列理论研究。