Part IB

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Part IB Materials Science and Metallurgy Course
A Metals Alloys
Professor Harry Bhadeshia
Lecture 1 Atomic Diffusion
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• Random motion of atoms
• Laws of diffusion
• Solutions to diffusion equations
• How do atoms move in a solid?
• Diffusion coefficient

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Random motion
J. Gaines and T. J. Lyons University of Oxford
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J. Gaines and T. J. Lyons University of Oxford
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First law of diffusion
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Second law of diffusion
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• Random motion of atoms
• Laws of diffusion
• Solutions to diffusion equations
• How do atoms move in a solid?
• Diffusion coefficient

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mechanism of diffusion
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Self diffusion
Prof. H. Föll Christian-Albrechts-University of
Kiel
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Interstitial diffusion
Prof. H. Föll Christian-Albrechts-University of
Kiel
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Diffusion Coefficient
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Mechanism
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