653-2005/03 – Fundamentals of the Heat Treatment (ZaklTZ)
| Gurantor department | Department of Materials Engineering and Recycling | Credits | 5 |
| Subject guarantor | doc. Ing. Petra Váňová, Ph.D. | Subject version guarantor | doc. Ing. Petra Váňová, Ph.D. |
| Study level | undergraduate or graduate | Requirement | Compulsory |
| Year | 2 | Semester | summer |
| | Study language | English |
| Year of introduction | 2022/2023 | Year of cancellation | |
| Intended for the faculties | FMT | Intended for study types | Bachelor |
Subject aims expressed by acquired skills and competences
- Define the importance and the classification of heat treatments of metallic materials;
- Outline the principal equilibrium heat treatments of steels – annealing;
- Clarify the principal non-equilibrium heat treatments of steels – quenching and tempering;
- Describe processes of oxidation and decarburization during heat treatment of steels;
- Differentiate and define the principal procedures of thermo chemical treatment of steels;
- Outline the essential heat treatments of cast irons and non-ferrous metals;
- Compare the internal structure and properties of metallic materials after heat treatments;
- Propose the appropriate heat treatment for the selected kind of material.
Teaching methods
Lectures
Tutorials
Experimental work in labs
Field trip
Teaching by an expert (lecture or tutorial)
Summary
Principles of solid phase transformations; Thermodynamics and kinetics of solid phase transformations; Iron-Carbon equilibrium diagram; Transformations of austenite under cooling; Pearlite-Ferrite-cementite; Martensite and bainite; Heat treatment – general: Annealing: Normalizing; quenching and tempering; Surface hardening, carburizing; Heat treatment of stainless steels; Heat treatment of cast irons and non-ferrous metals (Al, Cu alloys).
Compulsory literature:
Recommended literature:
Additional study materials
Way of continuous check of knowledge in the course of semester
Continuous verification of learning outcomes:
full-time study form – 1 written tests, 3 specified programs during the semester;
combined study form – 1 semestral project.
Final verification of study results: oral or written exam.
E-learning
https://www.vsb.cz/e-vyuka/cs/subject/653-2005/03
Other requirements
There are no further requirements.
Prerequisities
Subject has no prerequisities.
Co-requisities
Subject has no co-requisities.
Subject syllabus:
Lectures:
1. Importance of heat treatments; basic classification – heat treatment, thermo-chemical treatment; thermo-mechanical treatment; equilibrium vs. non-equilibrium heat treatments.
2. Iron – carbon system, austenite phase transformations upon cooling; diffusion, diffusion less transformations – products – ferrite, pearlite, bainite, martensite.
3. Diagrams of isothermal and non-isothermal austenite decomposition upon cooling – principle, construction, use.
4. Non-desirable processes during heat treatments – decarburizing, oxidation.
5. Classification of steel annealing; stress relief annealing, recrystallisation annealing, spheroidising annealing; thermal cycles of annealing, final structure and properties.
6. Normalising; homogenising annealing; thermal cycles of annealing, final structure and properties.
7.-8. Steel quenching; quenching media; hardenability and its testing; methods of cooling – modified quenching procedures.
9. Tempering of steels – tempering stages, impact on the steel properties.
10. Internal stresses as a result of the heat treatment – thermal stresses, structure stresses.
11. Thermo-chemical heat treatments; basic principles; case hardening – principal reactions, technologies, quenching and tempering after carburising, resulting properties. Nitriding and carbonitriding; principles, technologies, resulting properties.
12. Heat treatments of the cast irons; classification of the cast irons; heat treatment of grey and nodular cast irons; malleablising of the cast irons.
13. Heat treatment of some non-ferrous metals (aluminium, copper and their alloys); principle and stages of precipitation hardening; ageing. Summary; importance of the heat treatment of metallic materials.
Conditions for subject completion
Occurrence in study plans
Occurrence in special blocks
Assessment of instruction
Předmět neobsahuje žádné hodnocení.