塑性变形 If a material deforms plastically,it changes its shape. Correspondingly,the atoms of a crystal have to change their positions. (a) (b) 件T子工程学院 12 School of Materials Science and Engineering
材料科学与工程学院 School of Materials Science and Engineering 12 If a material deforms plastically, it changes its shape. Correspondingly, the atoms of a crystal have to change their positions. 塑性变形
图 塑性变形 Debye-Scherrer diagrams of (a) (a)undeformed and(b)deformed copper (a) (b) (b) (c) Plastic deformation of a specimen under tensile stress by slip.(a)Before deformation;(b)after deformation;(c) stretched in single crystal. 材料科学与工程学院 13 School of Materials Science and Engineering
材料科学与工程学院 School of Materials Science and Engineering 塑性变形 13 Debye-Scherrer diagrams of (a) undeformed and (b) deformed copper Plastic deformation of a specimen under tensile stress by slip. (a) Before deformation; (b) after deformation; ( c) stretched in single crystal