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Welcome to. AML120: Materials Science 3-0-2. J. Jain, R.K. Pandey, R. Prasad. J. Jain. Assistant Professor Department of Applied Mechanics. Office: III-232 D Tel. 011-2659 1246 Mob: 9582513867 jayantj@am.iitd.ac.in. R. Prasad. Professor Department of Applied Mechanics.

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  1. Welcome to AML120: Materials Science 3-0-2 J. Jain, R.K. Pandey, R. Prasad

  2. J. Jain Assistant Professor Department of Applied Mechanics Office: III-232 D Tel. 011-2659 1246 Mob: 9582513867 jayantj@am.iitd.ac.in

  3. R. Prasad Professor Department of Applied Mechanics Office: MS207/C-10 Tel. 011-2659 1782 Mob: 981853 8085 rajesh@am.iitd.ac.in rajesh.prasad.iitd@gmail.com

  4. AML120: Materials Science 3-0-2 Lectures: 3 hours/wk Lab 2 hours/wk Self study 3 hours/wk 8 hours/wk

  5. AML120: Materials Science 3-0-2 Textbook: V. Raghavan, Materials Science and Engineering: A First Course 3 lectures per week x 14 weeks = 42 lectures J. Jain: 6 lectures R. K. Pandey: 6 lectures R. Prasad: 30 lectures

  6. AML120: Materials Science 3-0-2 • Introduction [1] • Thermodynamics Review [2] • Crystallography [4] • Structure of solids [6] • Minor I

  7. AML120: Materials Science 3-0-2 5. Defects in crystalline solids [6] 6. Phase Diagrams [4] 7. Composite materials [1] 8a. Plastic deformation I [2] Minor Test II 8b. Plastic Deformation II [3] 9. Fracture and fatigue [3] 10. Phase transformation [5] 11. Corrosion [2] Major Test

  8. All lab classes would be held in Materials Science Core Laboratory, Room MS207/C-6

  9. Grading Minor I Minor II Major Quizzes + Lab Total 60 60 120 80 320

  10. Attendance Policy A max of 10 grace marks for good attendance 10 Grace marks 0 0 75 100 Attendance %

  11. By the end of this course you should be able to answer some interesting questions Why sometimes air simply leaks out of a cycle tube while at other times it comes out with a burst?

  12. How are atoms arranged inside a solid?

  13. How we can produce interesting combination of properties?

  14. Why did Titanic sink?

  15. Artificial rain? A giant "dragon" spewing out artificial rain over rural crop of Vidalia sweet onions

  16. Concept of stability and metastability What do we mean by stable state? How we define metastable state? Some materials tend to remain in metastable State for years and years!! Why???

  17. Fig. 2.1

  18. Fig. 2.2 unstable Activation barrier metastable stable

  19. Otherwise UnstableMinimum Energy – STABLE EQUILIBRIUMMaximum Energy – UNSTABLE EQUILIBRIUMGlobal Minimum - Most STABLELocal Minimum - METASTABLE

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