Academic Calendar 2024-2025

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MECH 470  Deformation Processing  Units: 3.50  
This course focuses on the elastic-plastic deformation of metals as it relates to the fabrication of stock materials, the manufacture of components and in-service material performance. Methods for describing and analyzing elastic-plastic behaviour, at both macroscopic and microscopic length-scales, are presented. Additional topics include the measurement and prediction of forming limits, the effects of deformation rate and temperature on plastic flow, and mechanisms of ductile failure. In the final portion of the course, the concept of microstructural design is introduced and then reinforced through a series of case studies.
NOT OFFERED 2024-2025
(Lec: 3, Lab: 0, Tut: 0.5)
Requirements: Prerequisites: MECH 270 Corequisites: Exclusions:  
Offering Term: W  
CEAB Units:    
Mathematics 0  
Natural Sciences 0  
Complementary Studies 0  
Engineering Science 30  
Engineering Design 12  
Offering Faculty: Smith Engineering  

Course Learning Outcomes:

  1. Understand macroscopic concepts related to uniaxial stress-strain behaviour of metals, including elastic versus plastic strain, diffuse versus local necking and effective stress and strain.
  2. Understand macroscopic concepts related to biaxial sheet forming behaviour, including forming limit diagrams (FLDs), diffuse versus local necking, Marciniak-Kuczinski model, anisotropy and yield functions.
  3. Conduct an experiment and subsequent analysis to determine the forming limit along a uniaxial strain path for a given sheet material.
  4. Derive an elastic-plastic constitutive equation using a continuum mechanics approach.
  5. Explore the relationship between processing, microstructure and forming properties of new generation sheet materials designed for automotive applications, including HSLA steels, dual-phase (DP) steels, transformation-induced plasticity (TRIP) steels and 5000 series and 6000 series aluminum alloys.
  6. Explore the relationship between processing, microstructure and workability during conventional forging and extrusion operations.
  7. Study several examples where a continuum mechanics-based models is used to predict a specific metal forming behaviour.