Course detail
Metallurgy of Cast Iron
FSI-PLL Acad. year: 2022/2023 Winter semester
Grades and properties of cast iron, structure, crystallization. Chemical composition. Mechanical, physical a technological properties. Alloyed cast irons. Melting equipment, metallurgical processes. Production of lammelar graphit iron, spheroidal, vermicular and malleable iron. Raw materials, composition of charge. Control of chemical composition, thermoanalysis, control of mechanical properties. Metallurgicaly based defects.
Language of instruction
Czech
Number of ECTS credits
6
Supervisor
Department
Learning outcomes of the course unit
Ability to operate metalurgical processes by melting different cast iron grades, heat treatment and quality control
Prerequisites
Basics of chemistry, knowlidges of structure and properties of metals and alloys
Planned learning activities and teaching methods
The course is taught through lectures explaining the basic principles and theory of the discipline. Teaching is suplemented by practical laboratory work.
Assesment methods and criteria linked to learning outcomes
Credit: Attendandance and appropriate knowledges in courses, passing 2 tests in the course
of semester
Exam: Credit, numerical part of exam, verbal part of exam
Aims
The aim of course is to get knowlidges about structure and properties of different cast iron grades, principle of melting process in particular melting furnaces, metal quality control and analysis of metallurgical defects.
Specification of controlled education, way of implementation and compensation for absences
2 tests in the period of semestr, compensation of absence – by personal agreement with teacher
The study programmes with the given course
Programme N-SLE-P: Foundry Technology, Master's, compulsory
Type of course unit
Lecture
39 hours, optionally
Teacher / Lecturer
Syllabus
1. Types and structures of cast iron
2. Crystallisation, inoculation, structure controle
3. Chemical composition, properties,
4. Grades of iron according to EN ČSN standarts
5. Charge material
6. Cupolas, construction, metallurgy,
7. Induction furnaces, roll furnaces
8. Crystalization of spheroidal graphite iron
9. Production of spheroidal graphite iron
10. Production of vermicular graphite iron and malleable iron
11. Alloyed irons
12. Quality control
13. Heat treatment
Laboratory exercise
26 hours, compulsory
Teacher / Lecturer
Syllabus
1. Constitutional diagram Fe-C (stabile and metastabile), structure
2. Tests of mechanical properties
3. Metallography, preparing of samples
4. Evaluating of structures
5. Calculation of charge
6. Excursion to a gray iron foundry
7. Calculation of charge by melting spheroidal graphite iron
8. Excursion to a spheroidal graphite iron foundry
9. Metallurgical defects – identification, causes
10. Influence of inoculation and solidification conditions on structure of GJL
11. Cast iron melting in a induction furnace
12. Thermal analysis
13. Spheroidal graphite iron melting