清华大学：《材料科学基础》课程教学资源（PPT课件讲稿）Chapter 5.6 Dislocation in Motion

2 Climb D Dislocation moves along n induced by diffusion Plane I×v a Dislocation motion VS crystal movement

2. Climb ① Dislocation moves along induced by diffusion. ② ③ Plane ④ Dislocation motion vs. crystal movement. ns  v l   ⊥ l v    ⊥ ⊥ b  v 

positive climb晶体合拢 negative climb晶体分开

positive climb 晶体合拢 negative climb 晶体分开