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 2 by M. F. Ashyb and D.R.H. Jones PRE / CO-REQUISITES: MECHENG 211. I, II (4 credits)
  1. Bonding and defects
  2. Phase diagrams and equilibrium microstructures
  3. Elasticity
  4. Plasticity - multi-axial yield criteria and hardening mechanisms
  5. Kinetics of phase changes
  6. Metallic alloys - heat treatment and microstructure
  7. Deformation of polymers
  8. Fracture and linear-elastic fracture mechanics
  9. Fatigue - Fatigue life and crack growth
  10. 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 2.0 hours

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

  1. To teach how atomic bonding and microstructure affect the properties of materials [1, 3]
  2. To teach how processing and composition affect the microstructures of materials [1, 3]
  3. To teach the mechanical properties of metals, polymers, ceramics, and composites [1]
  4. To teach how to determine the strength of engineering components [1, 3, 5, 11]
  5. To teach how to determine the life of engineering components [1, 3, 5, 11]
  6. To teach 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. Derive and use equations for the upper and lower bounds of the modulus of a composite [3].
for each assessment tool, links to the course outcomes are identified
  1. Regular homework problems
  2. Exams

PREPARED BY: K. Garikipati
LAST UPDATED: 06/08/2011