Advanced Characterization and Microstructural Analysis

Advanced Characterization and Microstructural Analysis

<p>Advanced Characterization and Microstructural Analysis</p><p>Timetable of Lectures</p><p>Week 1 --- Anthony Rollet Introduction to Microstructure, including texture: examples of engineering problems involving texture; orientation as rotation; PFs Measurement of pole figures, theoretical construction of PFs Homework: construction of PFs; projections</p><p>Week 2 --- ADR Concept of Orientation Distribution; Euler angles; discrete vs. functional ODs How to fit a discrete OD to experimental data (PFs); popLA demonstration (rolled Cu) Homework: use popLA to analyze a given set of PF data (Cu fiber textures in thin films, provided by Mr. Ali Gungor, CMU)</p><p>Week 3 --- ADR Texture Components; different representations; relationships between them Fiber textures, example of fiber textures in thin film Al, HTSC Homework: measurement of a set of PF data (each site to provide a specimen: CMU specimens = 6111 aluminum alloy, provided by Prof. D. Embury, McMaster Univ.)</p><p>Week 4 --- ADR Volume fractions; invariant measure; how to extract useful information from data sets Different methods of representing ODs; square, polar plots Homework: exercises on conversion between different representations of orientation (last year’s hwk #1)</p><p>Week 5 --- ADR Symmetry; Groups (elementary theory); Sample vs. Crystal Symmetry Effect of symmetry on Representation of Texture Homework: calculation of ODs from measured textures; calculation of volume fractions</p><p>Week 6 --- ADR In-class demonstration of effect sample symmetry with popLA Common Textures in metals (bulk, thin films), ceramics (thin films) Homework: literature search</p><p>Week 7 --- ADR Functions to represent texture; Fourier transforms; spherical harmonics Fundamental equation of texture Homework: plotting spherical harmonics Week 8 --- ADR Tensors; recapitulation of algebra of tensors; transformations Anisotropy; basic equation(s) for linear anisotropy; Elastic Anisotropy Homework: mastery of tensor algebra</p><p>Week 9 --- ADR / Brent Adams Brent Adams: Applications of elastic anisotropy; limits on elastic anisotropy Grain Boundaries; degrees of freedom; misorientations; Rodrigues vectors, space Homework: exercises on elastic anisotropy (probably from Courtney or Nye); conversion between different representations of g.b. crystallography</p><p>Week 10 --- Peter Kalu Microscopy; overview of different methods; Optical Microscopy Electron Microscopy; Transmission Electron Microscopy Homework: Take Home Exam</p><p>Week 11 --- CMU Spring Break</p><p>Week 12 Scanning Electron Microscopy (SEM) Grain Boundaries; properties: energy, mobility Homework:</p><p>Week 13 --- Greg Rohrer / Peter Kalu Atomic Force Microscopy (AFM) EBSD / Orientation Imaging Microscopy Homework:</p><p>Week 14 --- ADR Stereology; Delesse’s Principle; Elementary results Herring’s Relations for Triple Junctions; extension to velocities Homework: Exercise in Geometric Probability; exercise on TJ relationships</p><p>Week 15 --- ADR Plastic Anisotropy; Schmid’s Law; Rate Sensitive Yield; Yield Surfaces Taylor Model for large strain plastic deformation and texture development Homework: construction of single crystal yield surfaces</p><p>Week 16 Demonstration of polycrystal plasticity calculations (LApp) Wrap-up Homework:</p><p>Exam: Take-home</p>

View Full Text

Details

  • File Type
    pdf
  • Upload Time
    -
  • Content Languages
    English
  • Upload User
    Anonymous/Not logged-in
  • File Pages
    2 Page
  • File Size
    -

Download

Channel Download Status
Express Download Enable

Copyright

We respect the copyrights and intellectual property rights of all users. All uploaded documents are either original works of the uploader or authorized works of the rightful owners.

  • Not to be reproduced or distributed without explicit permission.
  • Not used for commercial purposes outside of approved use cases.
  • Not used to infringe on the rights of the original creators.
  • If you believe any content infringes your copyright, please contact us immediately.

Support

For help with questions, suggestions, or problems, please contact us