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21-Mat-A6 Materials Selection and Design for Materials Processing: Dec-12-Mtl-A6 2018

Nivaar worked solution (AI-drafted; not reviewed by a licensed engineer)

  1. Question 1 Reading the TTT Diagram of a Eutectoid Steel — Four Isothermal/Interrupted-Quench Heat-Treatment Paths
  2. Question 2 Ceramic Powder Consolidation — Die Pressing versus Slip Casting, and Apparent versus True Porosity
  3. Question 3 Recovery, Recrystallization and Grain Growth — Property Changes and Boundary Migration
  4. Question 4 Liquid Phase Sintering of Tungsten Carbide — Mass-Transport Pathways, No-Shrinkage Driving Force, Cobalt Requirements, and Capillary Densification Stress
  5. Question 5 Glass-Ceramics — Heterogeneous Nucleation and Phase Separation, Processing Cycle, and Comparison with TTT/CCT Curves for Steel
  6. Question 6 Thermomechanical Processing of Steel — TTT versus CCT, the Objective of TMP, and Ausforming, Martempering and Marstraining
  7. Question 7 Three-Stage Heat Treatment of Hardenable Aluminum Alloys; Grain-Growth Control During Sheet Annealing
  8. Question 8 Borosilicate Glass — Phase Separation, Tempering, Devitrification, and Photochromic versus Photosensitive Behaviour

Start with Question 1 →

12-Mtl-A6 — Thermal Treatment of Metals, Glasses and Ceramics — National Exams, December 2018 — 3 hours — FIVE (5) questions constitute a complete exam paper, marked as the first five in the answer book (all 8 printed questions 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.; German, Sintering Theory and Practice; Reed, Principles of Ceramic Processing, 2nd ed.; Shelby, Introduction to Glass Science and Technology, 2nd ed.; ASM Handbook Vol. 4, Heat Treating.