Metallurgy and Materials Science
Physical Metallurgy Structures
An interpretative study incorporating phase equilibria, diffusion, nucleation and growth, solid state transformation, strengthening mechanisms; effects of alloying, deformation, precipitation, recrystallization and grain growth on microstructure. Microstructural interpretation of ferrous and non-ferrous metal is emphasized.
(A requirement that must be completed before taking this course.)
Upon successful completion of the course, the student should be able to:
- Summarize the basic forms of metallurgical transformations as shown on phase diagrams.
- Predict phases present in a structure using the lever rule.
- Explain the basic heat treating processes including annealing, normalizing, hardening and stress relieving processes.
- Produce both equilibrium and non-equilibrium structures in steel.
- Compare equilibrium and non-equilibrium structures in steel.
- Interpret the thermal based decomposition of pearlite to spheroidite.
- Interpret the influence of alloying on the microstructure of carbon and alloy steels, stainless steel, cast iron and aluminum alloys.
- Depict the behavior of time, temperature and transformation on the resulting microstructures identified on an isothermal transformation diagram.
- Interpret microstructural defects including decarburization, origins of cracking, and the presence of retained austenite.
- Explain the differences between surface and case hardening.
- Relate the methods used to measure hardenability as a method for establishing heat treating parameters and material selection criteria.
- Improve proficiency in metallurgical laboratory practices and microstructural interpretation of the morphology of ferrite, martensite, austenite and bainite.
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