ES 181 - Engineering Materials

• apply the concepts related to atomic structures;
  • understand atomic binding, binding energy and inter-atomic spacing;
  • use the concept of unit cells to determine lattice parameters of crystal structures;
  • determine and draw points, direction and planes in a unit cell;
  • understand interstitial sites, crystal structures of ionic materials and covalent structures;
  • understand diffraction technique for crystal structure analysis; and
  • understand point defects, dislocations and its influence on material properties.
• apply the concepts related to atom and ion movements in materials;
  • understand atomic diffusion, activation energy, rate of diffusion (Fick’s First Law), and factors affecting diffusion.
• apply the basics of the various materials testing methods and mechanical properties;
  • know the principle of tensile testing, bend test, fatigue testing, creep testing, hardness testing;
  • understand the basic concept of fracture mechanics; and
  • compute engineering and true stress and strain.
• apply the concepts of strain hardening and annealing;
  • understand strain hardening mechanisms, cold working;
  • understand the stages of annealing, and control of annealing; and
  • understand hot working.
• apply the Principles of Solidification; and
  • understand nucleation, growth mechanisms, solidification time and dendrite formations; and
  • understand cooling curves, solidification defects, directional solidification and casting.
• apply the concepts of Solid Solutions and Phase Equilibrium.
  • interpret phase diagrams; and
  • understand solubility and solid solutions, Solid-solution strengthening, dispersion strengthening.