DEGREE PROGRAM: Mechanical Engineering

COURSE NUMBER: ME 382 COURSE TITLE: Mechanical Behavior of Materials
TEXTBOOK / REQUIRED MATERIAL: Mechanical Behavior of Materials by N. Dowling. Engineering Materials vols. 1 and 2 by M. F. Ashby and D.R.H. Jones PRE / CO-REQUISITES: MECHENG 211. I, II (4 credits)
  1. Bonding, crystal structure, and defects.
  2. Phase diagrams and equilibrium microstructures.
  3. 3-D elasticity and introduction to orthotropy.
  4. Plasticity: multi-axial yield criteria and hardening mechanisms.
  5. Kinetics of phase changes.
  6. Metallic alloys: heat treatment and microstructures.
  7. Properties of polymers.
  8. Properties of composites.
  9. Fracture: linear-elastic fracture mechanics, Weibull statistics, and stress-corrosion cracking.
  10. Fatigue: fatigue Iife and crack growth.
  11. Creep: mechanisms and creep life.
BULLETIN DESCRIPTION: Material microstructures, dislocations and defects; processing and mechanical properties of metals, polymers, and composites; heat treatment of metals; elastic, plastic, and viscoelastic behavior of materials, strain hardening; fracture, fracture mechanics, fatigue and multiaxis loading; creep and stress relaxation; materials-related design issues, materials selection, corrosion and environmental degradation of materials.
COURSE STRUCTURE/SCHEDULE: Lecture: 3 days per week at 1.33 hours

for each course objective, links to the Program Outcomes are identified in brackets.

  1. How atomic bonding and microstructure affect the properties of materials [1, 3]
  2. How processing and composition affect the microstructures of materials [1, 3]
  3. Mechanical properties of metals, polymers, ceramics, and composites [1]
  4. Determine the strength of engineering components [1, 3, 5, 11]
  5. Determine the life of engineering components [1, 3, 5, 11]
  6. How to select materials and use them in the design of engineering components [1, 3, 5, 11]
for each course outcome, links to the Course Objectives are identified in brackets.
  1. Understand and explain how the properties of a material may be modified by processing and alloying [1, 2]
  2. Understand and explain how the modulus and density of a material are affected by bonding and atomic or molecular structure [1]
  3. Compare two or more competing failure mechanisms to determine which is design limiting [4, 5, 6]
  4. Interpret mechanical test data, including tensile/compression curves, fatigue-life diagrams, and creep curves [3]
  5. Interpret binary-phase diagrams to predict equilibrium microstructures [2]
  6. Understand and explain the role of kinetics in the development of non-equilibrium microstructures [2]
  7. Understand and explain the hardening mechanisms that occur in metallic alloys, and the heat treatments that allow these mechanisms to be realized [1, 2]
  8. Use von Mises and Tresca yield criteria to analyze an engineering component subjected to multi-axial loading [4]
  9. Use linear-elastic fracture mechanics to determine the effect that a crack will have on the structural integrity of components subjected to a static load [4, 6]
  10. Use Weibull statistics to calculate the probability of failure of brittle materials [3, 4, 6]
  11. Determine the lifetime of a component containing a crack that is subjected to cyclic loading or environmental loading [5, 6]
  12. Use a combination of S/N curves, Basquins Law, Goodman or Gerber relationship, and Miners' Law to predict fatigue life [5, 6]
  13. Understand design and inspection procedures for components subjected to cyclic loading [6]
  14. Determine the creep life of engineering components at elevated temperatures [5, 6]
  15. Understand the physical origin of various models for creep of metallic components [1]
  16. Use time-dependent properties of polymers in design calculations [4, 5, 6]
  17. Understand and explain the origin of temperature and time-dependent properties of polymers [1]
  18. Analysis of composites, and an introduction to orthotropic elastic properties [3]
for each assessment tool, links to the course outcomes are identified
  1. Regular homework problems
  2. Exams

LAST UPDATED: 02/03/2016