Understanding Atomic Diffusion in Metals & Alloys with Professor Harry Bhadeshia

Explore the fascinating world of atomic diffusion in metals & alloys through Professor Harry Bhadeshia's lecture series. Covering topics like steady-state diffusion, non-steady-state diffusion, interdiffusion, structure-sensitive diffusion, and thermodynamics of diffusion, this course provides valuable insights into material science and metallurgy.

• Metals
• Alloys
• Atomic Diffusion
• Materials Science
• Metallurgy

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1. Part IB Materials Science and Metallurgy Course A: Metals & Alloys Professor Harry Bhadeshia Lecture 2: Atomic Diffusion

2. Revision of Lecture 1

3. Revision of Lecture 1 Steady state diffusion Fick s first law Cylinder containing gas under pressure Atmosphere

4. Revision of Lecture 1 Non-steady state diffusion Fick s second law Constant concentration at surface, CS Average concentration far from surface, C0

5. Interdiffusion Structure sensitive diffusion Thermodynamics of diffusion Uphill diffusion

7. pure aluminium Al-7Si wt% Moreno D, Embury JD, SCRIPTA MATERIALIA 40 (7): 821-824 MAR 5 1999

8. Structure sensitive diffusion

10. Thermodynamics of diffusion Flux proportional to solute- concentration gradient? Flux proportional to solute-free energy gradient?

11. Binary A-B solution in which A is the solute

14. o B Gibbs free energy per mole o A A G{x} B A B x Composition