chap6 - 材材材材材材 材材材材材材 Fundamental...

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Unformatted text preview: 材材材材材材 材材材材材材 Fundamental of Materials Fundamental of Materials Prof: Prof: Tian Min Bo Tian Min Bo Tel: Tel: 62795426 62795426 材 62772851 62772851 E-mail: E-mail: [email protected] [email protected] Department of Material Science and Engineering Department of Material Science and Engineering Tsinghua University. Beijing 100084 Tsinghua University. Beijing 100084 Chapter Ⅵ Chapter Ⅵ Diffusion in Solids Diffusion in Solids Lesson twenty-six Lesson twenty-six §6.1 Introduction §6.1 Introduction Ⅰ Ⅰ . Atom movement in solids . Atom movement in solids mechanical movement thermal vibration (short-range migration) Thermal motion diffusion (long-range migration) evaporation & solidification surface diffusion volume diffusion Ⅱ Ⅱ .Classification of diffusion in .Classification of diffusion in solids solids 1. According to : 1. According to : Steady state diffusion and Non-steady state diffusion ) ( τ ∂ ∂ C 2. . 2. . self-diffusion self-diffusion . both in pure metal and in . both in pure metal and in homogeneous alloy....
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This note was uploaded on 10/15/2011 for the course ENG 242 taught by Professor Mingjiezhao during the Spring '11 term at BYU.

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chap6 - 材材材材材材 材材材材材材 Fundamental...

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