Heat Treatment
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Follow on Instagram for UpdatesHeat Treatment Syllabus — Unit-wise Content
The official GTU curriculum for Heat Treatment (subject code BE05021011) as prescribed for Metallurgy · Semester 5 divides the course into 6 units, covering 45 listed topics. The unit-wise breakdown below is read from the GTU syllabus document for this subject code, so you can check what the course actually covers before deciding which papers to attempt.
Download the official syllabus PDF (BE05021011)Unit 1 Fundamentals of Heat Treatment
- objectives, and importance of heat treatment
- Relationship between microstructure and mechanical properties
- Critical temperatures and equilibrium transformations in steels
- Introduction to Austenite
- Pearlite (troostite and sorbite), and Martensite
Unit 2 Basic Heat Treatment Processes
- Annealing: Stress Relief Annealing
- Process Annealing
- Spherodised Annealing
- Full Annealing
- Hardening, and quenching medium and their techniques
- Factors affecting hardness
- Structure of Hardened Steel
- Hardenability of Steel
- Factors affecting hardenability
- Tempering (low
- medium and high)
- tempering colors & temperatures
Unit 3 ● Transformations and Heat Treatment Diagrams
- Time- Temperature-Transformation (TTT) Diagrams: Introduction
- Importance, and Steps to construct TTT diagram
- TTT diagram for Hypo
- Hyper and Eutectoid Steel
- TTT Diagram and Cooling Curve Transformation (CCT) Curve with corresponding microstructures
- Formation of Martensite
- Bainite and Pearlite
Unit 4 ● Transformations on Heating and Cooling
- Austenitic transformation
- Pearlitic Transformation
- Bainitic transformation, and Martensitic Transformation
Unit 5 ● Surface Hardening Processes
- Introduction to Surface Hardening Treatments
- Case Carburizing Processes: Pack Carburizing – Solid type
- Cyaniding – Liquid type
- Gas Carburizing
- Carbonitriding – Gas Type
- Induction Hardening
- Flame Hardening
- Laser Hardening
Unit 6 Advanced Heat Treatment Processes
- Vacuum Heat Treatment
- Austempering (Isothermal)
- Martempering (Interrupted quenching)
- Ausforming (Thermo-Mechanical Treatment (TMT)
- Maraging (Precipitation hardening heat treatment)
- Patenting (Isothermal – Wire steel)
- Sub-Zero Treatment (Cryogenic Treatment)
- Heat Program Name: Bachelor of Engineering Level: UG Branch: Metallurgy Subject Code : BE05021011 Subject Name: Heat Treatment treatment of High Speed (Tool) Steel
- Heat Treatment of Stainless Steels: Austenitic
- Ferritic, and Martensitic Stainless Steel
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