© 位错的产生和运动 interactions among three dislocations result in the formation of unusual elements of dislocation network topology, termed 'multi- junctions'. 材料科学与工程学院 School of Materials Science and Engineering材料科学与工程学院 School of Materials Science and Engineering interactions among three dislocations result in the formation of unusual elements of dislocation network topology, termed 'multi￾junctions'. 位错的产生和运动