Curriculum
- 8 Sections
- 36 Lessons
- 2 Days
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- Introduction to Industrial Heat Treatment5
- Annealing & Normalizing Techniques5
- 2.1Annealing types (full, process, stress relief), Normalizing process
- 2.2Microstructural goals: pearlite/ferrite refinement, ductility recovery
- 2.3Cold-worked wire annealing, normalizing forged gears
- 2.4When to use which process? Cooling control, material type, oxidation ri
- 2.5Microstructure evolution mapping from real metallographic photos
- Hardening & Tempering – The Core of Mechanical Strength5
- 3.1Austenitizing, Martensitic transformation, quenching
- 3.2Tempering classifications (low/med/high), brittleness vs toughness trade-off
- 3.3Example: Tool steels (D2, H13), bearing components, hardened shafts
- 3.4Internal stress, distortion, hardness profiles, selection of quenchants
- 3.5Case Simulation: Redesign a hardening + tempering cycle to reduce failure rate in tool
- Quenching Media & Cooling Strategy4
- Surface Hardening – Flame, Induction, and Case Hardening5
- 5.1Flame & induction hardening (depth control, alloy suitability)
- 5.2Chemical hardening: carburizing, nitriding, cyaniding
- 5.3Applications: Gears, camshafts, clutch plates, crank pins
- 5.4Case depth, core vs surface hardness, thermal distortion control
- 5.5Interactive Comparison Grid: Match component → suitable surface hardening technique
- Metallurgical Impact & Defect Prevention4
- 6.1Martensite formation, stress-induced cracking
- 6.2Retained austenite, decarburization, micro-cracks, non-uniform hardening
- 6.3Case Study: Cracking in quenched bearings, distortion in shafts, grain coarsening in normalized parts
- 6.4Defect Troubleshooting Flowchart: Root cause diagnosis of hardened gear failure
- Heat Treatment Optimization & Plant-Level Challenges4
- Integration with Quality, Standards & Process Audits4
Audit non-conformance root causes
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