materials science

States of matter (liquid, crystalline & vitreous); Crystal structure of metals; Metallography (reflecting optical microscope, transmission electron - microscope) specimen preparations; Mechanical testing (hardness & tensile test); Defects in crystals (point defects and dislocations); Diffusion in solids; (Phase transformation and Phase diagrams) Strengthening mechanisms (alloying, cold work, precipitation & fiber strengthening); Heat treatment of steel & TTT curves.