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Crystallography

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1. 강의 목표

 This course pursues the understanding of the basic concept of crystallography, the description of crystal structure and their relevance to the crystal imperfections such as point defects, dislocations, stacking faults, interface and twinning.

2. 강의 진도 계획

Ⅰ. PERFECT CRYSTALS

1. Lattice geometry: lattices; unit cell; point group; symmetry elements; crystal forms; space groups (3 weeks)

2. Stereographic Projection : plans; directions; Miller index; reciprocal lattice vectors; analytical calculation; graphical method; surface and trace analysis. (2 weeks)

3. Crystal Structures : close packing; intersitial sites; coordination; metallic structures; various compound structures (2 weeks)

4. Stress, Strain and Elasticity : strain tensor; stress tensor, axis transformation; elasticity of crystals (1 week)

  Ⅱ. IMPERFECT CRYSTALS

5. Point Defects : production; the relationship with physical and mechanical properties; observation

6. Dislocations : geometry; direct observations; glide; stress field; force on a dislocation; interactions with other dislocations (3 weeks)

7. Dislocation in Real Crystals : perfect and partial dislocations; stacking faults; dislocations in FCC, BCC and HCP structures (2 weeks)

8. Crystalline interfaces: stacking faults; grain boundary; interphase boundary; antiphase boundary; magnetic domain wall, twinning elements; phase (2 week)


3. 참고문헌 및 자료

1. L.H. Schwartz and J.B. Cohen, Diffraction from Materials, (Chap.1) Academic Press, 1987

2. B.D. Cullity and S.R. Stock, Elements of X-ray Diffraction(3rd ed.), Prentice Hall, 2001

3. International Tables for Crystallography, Kluwer, 1995

4. D. Makie and C. McKie, Essentials of Crystallography, Blackwell, 1986

5. Walter Borchardt-Ott, Crystallography (2nd ed.), Springer,1995

6. J.-J. Rousseau, Basic Crystallography, John Wiley & Sons 1998

7. B.K Vainshtein, Fundamentals of Crystals, Springer- Verlag, 1996

8. S.M Allen and E.L. Thomas, The structure of Materials, John Wiley & Sons, 1998

9. A. Kelly and G.W. Groves, Crystallogrpahy and Crystal Defects, Revised ed., Addison- Wesley, 2000

10. O. Johari and G. Thomas, The Stereographic Progections and Its Applications, Inter-science, 1969

11. J. Weertman and J.R Weertman, Elementary Dislocation Theory, Macmillan,1967

12. C.N. Reid, Deformation Geometry for Materilas Scientists, Pergamon, 1973

13. A.J. Verma and O.N. Strivastava, Crystallography for Solid State Physics, Wiley Interscience, 1981

14. E. Prince, Mathematical Techniques in Crystallography in Materilas Science, Springer-Verlag, 1982

15. R.W.G. Wyckoff, Crystal Structrues, 2nd ed., Interscience, 1963.