MATERIALS SCIENCE AML 120

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MATERIALS SCIENCEAML 120 3-0-2 4 credits
ANANDH SUBRAMANIAM Department of Applied
Mechanics Indian Institute of Technology
Delhi Hauz Khas, New Delhi- 110 016 Ph (91)
(11) 2659 1340, Fax (91) (11) 2658
1119 anandh333_at_rediffmail.com http//web.iitd.ac.
in/anandh
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ACKNOWLEDGMENTS

• Prof. S.K. Gupta is the inspiring force behind
  these set of slides. I had a lot to learn from
  his meticulous planning of the AML 120 course.
• Prof. R.K. Pandey has always been there to
  offer me help on all aspects, in spite of his
  busy commitments.
• Dr. Rajesh Prasad has been the source of
  knowledge for many of the slides in this
  presentation. Without his consistent guidance I
  would not be able to teach this course as
  presented.

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REFERENCES
Materials Science and Engineering By Prof. V.
Raghavan Fifth Edition, Prentice Hall of India
Pvt. Ltd., New Delhi, 2004 ONLINE http//www.tf.un
i-kiel.de/matwis/amat/def_en/overview_main.html
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UNIVERSE
STRONG WEAK ELECTROMAGNETIC GRAVITY
HYPERBOLIC EUCLIDEAN SPHERICAL
ENERGY
SPACE
nD t
FIELDS
PARTICLES
METAL SEMI-METAL SEMI-CONDUCTOR INSULATOR
NON-ATOMIC
ATOMIC
BAND STRUCTURE
STATE / VISCOSITY
LIQUID CRYSTALS
GAS
SOLID
LIQUID
STRUCTURE
CRYSTALS
RATIONAL APPROXIMANTS
AMORPHOUS
QUASICRYSTALS
SIZE
NANO-QUASICRYSTALS
NANOCRYSTALS
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Common type of materials
Ceramics
Metals
Polymers
Composites
Structure
The Materials Tetrahedron
Properties
Performance
Processing
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METALLURGY
Science of Metallurgy
MECHANICAL
ELECTRO- CHEMICAL
TECHNOLOGICAL
PHYSICAL

• Extractive
• Casting
• Metal Forming
• Welding
• Powder Metallurgy
• Machining

• Structure
• Physical Properties

• Deformation
• Behaviour

• Chemistry
• Corrosion

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• Casting
• Metal Forming
• Welding
• Powder Processing
• Machining

Thermo-mechanical Treatments
Crystal
Atom
Structure
Microstructure
Component
Electro- magnetic
Phases
Defects

• Vacancies
• Dislocations
• Twins
• Stacking Faults
• Grain Boundaries
• Voids
• Cracks

Residual Stress

Processing determines shape and microstructure of
a component