618-3006/01 – Steel Casting and Crystallization (LiaKrO)
| Gurantor department | Department of Metallurgy and Foundry | Credits | 6 |
| Subject guarantor | prof. Ing. Jiří Bažan, CSc. | Subject version guarantor | prof. Ing. Jiří Bažan, CSc. |
| Study level | undergraduate or graduate | Requirement | Choice-compulsory |
| Year | 2 | Semester | winter |
| | Study language | Czech |
| Year of introduction | 2014/2015 | Year of cancellation | 2020/2021 |
| Intended for the faculties | FMT | Intended for study types | Follow-up Master |
Subject aims expressed by acquired skills and competences
- student will be able to demonstrate basic regularities proceeding at steel casting, solidification and crystallization of steel. Student will be practice this knowledge due to practical exercises in the Department's lab.
- student will be able to formulate micro-segregate and macro-segregate processes in steel
- student will be able to characterize defects of ingots and continuously cast blanks
- student will know basic possibilities of simulations of ingots' solidification by the ProCast software and the possibilities of utilization of these simulations in the plant conditions.
Teaching methods
Lectures
Seminars
Individual consultations
Tutorials
Experimental work in labs
Summary
Subject is read with the purpose to understand the basic regularities and processes proceeding at steel casting, solidification and crystallization of steel (by the help of practical exercises), the conditions of homogenous and heterogeneous nucleation of crystals, the micro-segregate and macro-segregate processes, the defects of ingots and continuously cast blanks, the theoretical and technological aspects at steel casting into the ingot moulds as well as on the continuous casting machine.
Compulsory literature:
[1] FLEMINGS, M.C.: Solidification Processing. 1st ed., McGraw-Hill, 1974, 364 p.
[2] IRVING, W.R.: Continuous Casting of Steel. Institute of Materials, 1993, 207 p.
Recommended literature:
Additional study materials
Way of continuous check of knowledge in the course of semester
E-learning
Other requirements
Working out a semester project and passing the test.
Prerequisities
Subject has no prerequisities.
Co-requisities
Subject syllabus:
1. Equipment of cast houses. Classification of steels by degree of deoxidation, killed steel, semi- killed steel and rimming steel.
2. Refractory materials used at casting of steel, material properties. Possibilities of evaluation of properties and resistance of refractory materials to molten metals and slags.
3. Casting of steels into ingot-moulds, top pouring, uphill casting. Behaviour of steel in a ladle.
4. Crystallisation of steel. Solidification of steel, regularities, solidification of the ingot crop end.
5. Structure of ingots made of killed and rimming steel.
6. Numerical simulation of ingot's solidification (utilization of ProCAST software - influence of various factors on the solidification process and segregations).
7. Micro-segregation, macro-segregation.
8. Ingots defects of killed and rimmed steel.
9. Casting of large ingots. Cleanness and quality of the ingots, defects. Process VIC (Vítkovice Ingot Casting).
10. Continuous casting of steel, division, benefits, disadvantages, economy.
11. Design of CCM equipment. Classification of CCM, vertical, horizontal.
12. Primary, secondary and tertiary cooling zone. Solidification of steel in mould, influencing factors.
13. Tundish metallurgy. Defects of continuously cast blanks.
14. Perspectives, new directions at casting of thin blanks.
Conditions for subject completion
Occurrence in study plans
Occurrence in special blocks
Assessment of instruction