固體中的擴散

《固體中的擴散》是2014年04月世界圖書出版公司出版的圖書，作者是 （德）Helmut Mehrer（H.梅爾）。

基本介紹

• 中文名：固體中的擴散
• 作者：（德）HelmutMehrer（H.梅爾）
• 出版社：世界圖書出版公司
• 出版時間：2014年04月
• ISBN：9787510070204 

內容簡介

擴散第一及第二定律及其在各種條件下的解反映了原子擴散的巨觀規律，這些規律為解決許多與擴散有關的實際問題奠定了基礎。在擴散定律中，擴散係數是衡量原子擴散能力的非常重要的參數，到目前為止它還是一個未知數。為了求出擴散係數，首先要建立擴散係數與擴散的其他巨觀量和微觀量之間的聯繫，這是擴散理論的重要內容。事實上，巨觀擴散現象是微觀中大量原子的無規則跳動的統計結果。從原子的微觀跳動出發，研究擴散的原子理論、擴散的微觀機制以及微觀理論與巨觀現象之間的聯繫是本節的主要內容。

目錄

History and Bibliography of Diffusion

1.1 Pioneers and Landmarks of Diffusion

References

1.2 Bibliography of Solid-State Diffusion

Part I Fundamentals of Diffusion

Continuum Theory of Diffusion

2.1 Fick's Laws in Isotropic Media

2.1.1 Fick's First Law

2.1.2 Equation of Continuity

2.1.3 Fick's Second Law - the 'Diffusion Equation'

2.2 Diffusion Equation in Various Coordinates

2.3 Fick's Laws in Anisotropic Media

References

Solutions of the Diffusion Equation

3.1 Steady-State Diffusion

3.2 Non-Steady-State Diffusion in one Dimension

3.2.1 Thin-Film Solution

3.2.2 Extended Initial Distribution

and Constant Surface Concentration

3.2.3 Method of Laplace Transformation

3.2.4 Diffusion in a Plane Sheet - Separation of Variables

3.2.5 Radial Diffusion in a Cylinder

3.2.6 Radial Diffusion in a Sphere

3.3 Point Source in one, two, and three Dimensions

References

4 Random Walk Theory and Atomic Jump Process

4.1 Random Walk and Diffusion

4.1.1 A Simplified Model

4.1.2 Einstein-Smoluchowski Relation

4.1.3 Random Walk on a Lattice

4.1.4 Correlation Factor

4.2 Atomic Jump Process

References

Point Defects in Crystals

5.1 Pure Metals

5.1.1 Vacancies

5.1.2 Divacancies

5.1.3 Determination of Vacancy Properties

5.1.4 Self-Interstitials

5.2 Substitutional Binary Alloys.

5.2.1 Vacancies in Dilute Alloys

5.2.2 Vacancies in Concentrated Alloys

5.3 Ionic Compounds

5.3.1 Frenkel Disorder

5.3.2 Schottky Disorder

5.4 Intermetallics

5.5 Semiconductors

References

6 Diffusion Mechanisms

6.1 Interstitial Mechanism

6.2 Collective Mechanisms

6.3 Vacancy Mechanism

6.4 Divacancy Mechanism

6.5 Interstitialcy Mechanism

6.6 Interstitial-substitutional Exchange Mechanisms

References

Correlation in Solid-State Diffusion

7.1 Interstitial Mechanism

7.2 Interstitialcy Mechanism

7.3 Vacancy Mechanism of Self-diffusion

7.3.1 A 'Rule of Thumb'

7.3.2 Vacancy-tracer Encounters

7.3.3 Spatial and Temporal Correlation

7.3.4 Calculation of Correlation Factors

7.4 Correlation Factors of Self-diffusion

7.5 Vacancy-mediated Solute Diffusion

7.5.1 Face-Centered Cubic Solvents

7.5.2 Body-Centered Cubic Solvents

7.5.3 Diamond Structure Solvents

7.6 Concluding Remarks

References

……

PartⅡ Experimental Methods

PartⅢ Diffusion in Metallic Materials

PartⅣ Diffusion in Semiconductors

PartⅤ Diffusion and Conduction in Ionic Materials

PartⅥ Diffusion in Glasses

PartⅦ Diffusion along High-Diffusivity Paths and in Nanomaterials

Index