chapter 6 - Chapter 6 Diffusion 6.1 INTRODUCTION diffusion:...

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Chapter 6 Diffusion 第第第 第第 吉吉吉吉吉吉吉吉吉吉吉吉吉 吉吉吉
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10/11/11 Chapter 6 Diffusion 2 6.1 INTRODUCTION diffusion: Mass transport by atomic motion. Interdiffusion (or impurity diffusion): Diffusion of atoms of one metal into another metal. Self-diffusion: Atomic migration in pure metal. 第第 第 ( 第 ) 第第 第第第
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10/11/11 Chapter 6 Diffusion 3 6.1 INTRODUCTION Interdiffusion of Cu-Ni couple: 第第第第 ( 第 ) 第第
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10/11/11 Chapter 6 Diffusion 4 6.2 DIFFUSION MECHANISMS VACANCY DIFFUSION. INTERSTITIAL DIFFUSION. 第第第第 第第第第第第
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10/11/11 Chapter 6 Diffusion 5 6.3 STEADY-STATE DIFFUSION diffusion flux ( J ) 第第第第 At M J = dt dM A J 1 = B A B A x x C C x C dx dC G C - - = = = . . steady-state diffusion
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10/11/11 Chapter 6 Diffusion 6 6.3 STEADY-STATE DIFFUSION Fick’s first law 第第第第第第第第 dx dC D J - = Diffusion coefficient, D Driving force 第第第第第第第第第第第第第第第 第第第第第第第
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chapter 6 - Chapter 6 Diffusion 6.1 INTRODUCTION diffusion:...

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