Lectures
- Summary of the basic heat treatment (HT) types. Phase transformations in steels. Microstructure modification during heating.
- Influence of starting structure on the final properties. Influence of austenite deformation on the final microstructure. Infuence of grain size and chemical composition.
- Various annealling types of steels, including recrystallisation annealling and annealing for strain elimination.
- Intercritical annealling.
- Temper deformation aging of low carbon steels
- Quenching, influence of temperature and the way of cooling.
- Hardening capacity evaluation. Tempering. Physical principles of low-temperature and high-temperature temper brittleness.
- Dissolvent annealling and precipitation age hardening.
- Unconventional types of the HT-1.
- Unconventional types of the HT-2.
- The HT of various tool steels types.
- Surface treatment of materials (laser, plasma, electro-heating).
- Aging of aluminium steels. The HT of Ti, Cu, Al, Mg, Ni etc.alloys.
Seminar
- Opening seminar - content of lectures, literature, working security.
- The IRA and ARA diagrams, using - chemical constitution influence.
- Evaluation of hardening capacity level - Jominy´s test.
- Upper and low bainite, granular bainite.
- Intercritical annealling.
- Secondary hardening - technical importance of additions.
- Ferrite microstructure types (ATF, IDF, WF, AF, bainite) and conditions of their formation.
- The HT in sequence of hydrogen brittleness development.
- Examples of technology of the constructional steel HT and materials for power engineering.
- The HT of austenite steels, Hadfield´s steel.
- Test.
- Ni, Cu alloys - microstructures.
- Microstructure of Al, Mg and Ti alloys.
- Short test, seminar evaluation and credit.
- Summary of the basic heat treatment (HT) types. Phase transformations in steels. Microstructure modification during heating.
- Influence of starting structure on the final properties. Influence of austenite deformation on the final microstructure. Infuence of grain size and chemical composition.
- Various annealling types of steels, including recrystallisation annealling and annealing for strain elimination.
- Intercritical annealling.
- Temper deformation aging of low carbon steels
- Quenching, influence of temperature and the way of cooling.
- Hardening capacity evaluation. Tempering. Physical principles of low-temperature and high-temperature temper brittleness.
- Dissolvent annealling and precipitation age hardening.
- Unconventional types of the HT-1.
- Unconventional types of the HT-2.
- The HT of various tool steels types.
- Surface treatment of materials (laser, plasma, electro-heating).
- Aging of aluminium steels. The HT of Ti, Cu, Al, Mg, Ni etc.alloys.
Seminar
- Opening seminar - content of lectures, literature, working security.
- The IRA and ARA diagrams, using - chemical constitution influence.
- Evaluation of hardening capacity level - Jominy´s test.
- Upper and low bainite, granular bainite.
- Intercritical annealling.
- Secondary hardening - technical importance of additions.
- Ferrite microstructure types (ATF, IDF, WF, AF, bainite) and conditions of their formation.
- The HT in sequence of hydrogen brittleness development.
- Examples of technology of the constructional steel HT and materials for power engineering.
- The HT of austenite steels, Hadfield´s steel.
- Test.
- Ni, Cu alloys - microstructures.
- Microstructure of Al, Mg and Ti alloys.
- Short test, seminar evaluation and credit.