everything.study
22.71

Modern Physical Metallurgy

3-0-9 units · Graduate

See description under subject 3.40[J] .

Fall 2009 · Physical Metallurgy

Topics

  • Introduction
  • Basic crystallography; BCC, FCC, HCP structures; Miller indices; crystal symmetry; stereographic projection
  • Crystal shear stress and yielding; Burgers’ vector; introduction to edge, screw, and mixed dislocations; stress, strain, and stored energy
  • Dislocation energy; stress fields; movement of dislocations
  • Dislocation interactions; Peach-Koehler equation; effects on material behavior; Frank-Read sources; observing dislocations
  • Crystal structures and their slip systems; dislocation shear stress resolution; using stereographic projections
  • Applying stress; cross-slipping; dislocation locking; jogs and partials
  • More dislocation interactions; Orowan looping; work hardening; polycrystal deformation
  • Twinning
  • Heating metals; dislocation climb; recovery; annealing
  • Annealing; recrystallization; polygonization; coarsening; JMAK analysis
  • Recrystallization; nucleation; grain growth; effects of temperature, strain, grain size, impurities
  • Alloying and deformation; forces on dislocations
  • Solid solutions; strengthening; annealing; diffusion kinetics
  • Precipitate hardening; heat treatment; effect of time and temperature on microstructure
  • Precipitate hardening; phase boundaries; mechanisms; size effects
  • Contributions to precipitate hardening; phase diagrams; kinetics; Ostwald ripening; TTT diagrams
  • Intra-particle stresses; isostrain and isostress; modulus limits; contiguity and percolation
  • Introduction to steel; Fe-C phase diagram; phases and microstructures
  • Steel properties
  • Steel (cont.)
  • Nanocrystalline metals; properties, dislocations, and grain boundaries; applications
  • Conclusions

Readings

  • Reed-Hill, Robert E., Reza Abbaschian, and Lara Abbaschian. Physical Metallurgy Principles. 4th ed. Stamford, CT: Cengage Learning, 2008. ISBN: 9780495082545.
    Listed reading

Prerequisites & course information

Same subject as 3.40[J] Subject meets with 3.14 Prereq: ( 3.20 and 3.22 ) or permission of instructor G (Fall) 3-0-9 units

Sources