10-Met-A6 — Phase Transformation & Thermal Treatment of Metals and Alloys — National Exams, December 2017 — 3 hours — 8 questions printed, first 5 as answered are marked (all 8 answered below as a complete study resource).
Reference texts: Callister & Rethwisch, Materials Science and Engineering: An Introduction, 10th ed.; Porter, Easterling & Sherif, Phase Transformations in Metals and Alloys, 3rd ed.; Reed-Hill & Abbaschian, Physical Metallurgy Principles, 4th ed.; ASM Handbook Vol. 4, Heat Treating.
Check: this paper's exam code is 10-Met-A6 and its printed title is “Phase Transformation and Thermal Treatment of Metals and Alloys.” Every question below is genuinely phase-transformation/heat-treatment content (Fe–C diagram heat treatments, interfacial coherency/PFZ/Zener pinning, grain-boundary topology and motion, classical nucleation theory, annealing stages, TTT-diagram heat-treatment routes, aluminum-alloy age hardening, and solidification/segregation).