21-Mat-A3 Structure and Characterization of Materials: Dec-12-Mtl-A3 2018

Paper format. National Exams, December 2018 — 12-Mtl-A3, Structure and Characterization of Materials. Three hours, open book, any non-communicating calculator permitted. Eight questions constitute a complete exam paper; all eight are solved here.

Reference texts. The answers below are keyed to the standard undergraduate materials-science references recommended for this syllabus code:

• W. D. Callister Jr. and D. G. Rethwisch, Materials Science and Engineering: An Introduction, 10th ed. — crystal structure and defects (Ch. 4), mechanical properties and fracture (Ch. 6, 8), phase diagrams (Ch. 9), diffraction (Ch. 3), polymer structure and mechanical behaviour (Ch. 14–15).
• B. D. Cullity and S. R. Stock, Elements of X-Ray Diffraction, 3rd ed. — structure-factor selection rules for cubic lattices.
• ASM Handbook, Vol. 3 (Alloy Phase Diagrams) — Mg–Pb binary system.