Describe the forming operations that are used to shape metals into functional shapes. Differentiate
between wrought alloy and cast products. Differentiate between hot and cold forming processes.
Describe the constitutive behavior or metals in terms of the engineering and true definition of
stress and strain.
Explain the differences between elastic and plastic deformation at the atomic, micro, and macro scales.
Explain the differences between normal and sharing stresses and strains.
Explain what a tensile test is, what type of a machine is used to perform the tensile tests, and what information regarding the properties of a material can be extracted from such tests.
Define hardness and explain how is it measured. Describe various available hardness scales.
Describe the plastic deformation of a single crystal at the atomic level. Describe the concept of a slip, dislocations, twins, and their role in plastic deformation of a single crystal.
Define critical slip systems in BCC, FCC, and HCP single crystals.
Describe Schmid’s law and its application in determination of the critical resolved shear stress.
Describe the effect of plastic deformation process on properties and grain structure of polycrystalline
materials.
Explain the effect of grain size (Hall-Petch equation) and grain boundary on the plastic deformation and properties of a metal.
Describe various strengthening mechanisms used for metals.
Describe the annealing process and its impact on properties and microstructure of a cold worked metal.
Describe the superplastic behavior in metals.
Describe what a nanocrystalline metal is and what advantages it may offer.
