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Materials Science 115a

Principles of Materials Science I

Fall Quarter 2011

Instructor: Prof. Sossina M. Haile
    307 Steele Laboratories, x2958, smhaile@caltech.edu

Class Meetings: MWF 9-10am, 214 Steele
   Google calendar of class meetings available here (leaving this site)

Teaching Assistants
:
    Aron Varga, 326 Steele, x4814, avarga@caltech.edu
    Balaji Gopal (BG) Chiranjeevi, 302 Steele, x2777, bgc@caltech.edu

TA Office Hours:
   TBD (likely Tuesdays)

Text: None required

Recommended:

Introduction to Materials Science for Engineering, 7th Ed., James F. Shackelford, 2009, Pearson, ISBN 0-13-601260-4. Copies to be available through adopta-text.

Understanding Solids: The Science of Materials, Richard Tilley, 2004, Wiley, ISBN 0-470-85275. This text is out of print in hard-copy, but soft-copy is to be available through adopta-text.

Reserved Texts: (in SFL)
    "The Principles of Engineering Materials,"
    Barrett, Nix and Tetelman

    "Phase Transformations in Metals and Alloys,"
    Porter and Easterling

    "Quantum Chemistry," by Levine

    See also "Quantum Physics of Atoms, Molecules, Solids, Nuclei, and Particles"
    by Eisberg and Resnick, on reserve for Ch21a, Mil-8 reserves

Course Structure:

Homework: 50% (weekly, 8 regular assignments)
Midterm Homework: 15% (Oct 26 - Nov 1)
Final: 35% (Dec 7-9)


Lecture Handouts/Presentations (some from previous years)

09/26/11 -- course syllabus; lecture 1-2 powerpoint
09/28/11 -- lecture 2-3 powerpoint; lecture 4a powerpoint;
-------- ------ close-packed layer; metal structures
09/30/11 -- no lecture
10/03/11 -- ionic structures handout
; lecture 4b powerpoint
10/05/11 -- lecture 5 powerpoint; structure images (color, 2010)
10/07/11 -- lecture 6 powerpoint; structure and crystallography handouts
10/10/11 -- lecture 7 powerpoint
; polymer structure
10/12/11 -- lecture 8 recorded - flash or audio only; no slides
10/14/11 -- lecture 9 on blackboard - handwritten diffraction notes


anticipated for 10/17/11 - 10/21/11 (TAs lecturing)

10/17/11 -- lecture 10 complete diffraction; introduce defects
10/19/11 --
lecture 11 continue with defects (handwritten notes)
10/21/11 -- lecture 12 powerpoint (diffusion)
10/24/11 -- lecture 13 powerpoint; diffusion hand-out; dislocation hand-out
10/26/11 -- lecture 14 powerpoint (dislocations) - flash video, audio, podcast, mp3
10/28/11 -- resolved shear stress, elastic properties, theoretical yield stress (lecture on grey board)
10/31/11 -- lecture 16 powerpoint, strengthening mechanisms, planar defects
11/02/11 -- lecture 17 powerpoint (volume defects and mech props of ceramics)

Electronic properties of materials

11/04/11 -- lecture 18 quantum chemistry review (handwritten notes of 11/06/09)
11/07/11 -- lecture 19 powerpoint; atoms to solids on board (11/11/09)
11/09/11 -- lecture 20 powerpoint (finish LCAO/MO; begin electrons in a box)
11/11/11 -- finish particle in a box, 1-D and 3-D solutions, (11/13/09)
11/14/11 -- density of states, Fermi energy, forbidden energy regions, conductivity (11/16/09)
11/16/11 -- electrical conductivity (11/18/09 part 1, part 2)

Thermodynamic properties of materials

11/20/09
-- handwritten lecture notes1; notes2
11/23/09 -- handwritten lecture notes
11/25/09 -- handwritten lecture notes
11/30/09 and 12/02/09 -- handwritten lecture notes

12/02/11 -- phase behavior review and selected phase diagrams (powerpoint)


Schedule Changes (last updated 10/31/11), Wednesdays back to 9-10am

09/26/11 -- 8:30 am start
09/28/11 -- 8:30 am start
09/30/11 -- No class
10/05/11 -- 9 am class (Wednesday)
10/17/11 -- TA to lecture

10/19/11 -- 9 am class (Wednesday), TA to lecture

10/21/11 -- TA to lecture
11/18/11 -- 8:30 am start
11/21/11 -- 8:30 am start

11/23/11 -- No class

11/28/11 -- TA to lecture
11/30/11 -- TA to lecture (Wednesday @ 9am)


Course Content:

Introduction to Materials Science

Length scales of materials structure
Chemistry + Processing -> Structure -> Properties

Structure

Structure of the Atom & Introduction to Chemical Bonding
Crystalline Structure
Structural Characterization (X-ray Diffraction)
Microstructure
Defects in Crystalline Materials
Amorphous Structure

Defects in Crystalline Materials and Connections to Properties

Point Defects and Diffusion & Ionic Conductivity
Dislocations and Mechanical Deformation
Surfaces
Volume Defects and Fracture

Electrons in Solids

Chemical Bonding, Revisited
Electronic Structure
Electronic Conductivity: Metals vs. Insulators

Thermodynamics

1st and 2nd Laws
Gibb’s Free Energy
Phase Diagrams

Some Other Properties Along the Way

Thermal: Thermal Expansion, Heat Capacity, Thermal Conductivity
Optical Properties (time permitting)


Course Administration (subject to change with due notice):
  • Links to homework assignments deactivated.
  • Homework 1 [Due: Wed, Oct 5]
  • Homework 2 [Due: Fri, Oct 14]
  • Homework 3 [Due: Wed, Oct 19]
  • Homework 4 [Due: Wed, Oct 26]
  • Midterm Homework 5 - this assigment might not be posted; this set is to be done independently and will be due Wed, Nov. 2. Solutions will not be posted.
    Class average: ###/###. Standard deviation: ##

  • Homework 6 [Due: Wed, Nov 9]
  • Homework 7 [Due: Wed, Nov 16]
  • Homework 8 [Due: Wed, Nov 23]
  • Homework 9 [Due: Fri, Dec 2] - will not be accepted late
  • Course Evaluation Form - online form
  • Final Exam - this will not be posted; only the instructions and some information will be available here; exams will be available outside Steele 307 as of 9 am, Tuesday, Dec. 6.

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