ECTS - Secondary Steelmaking
Secondary Steelmaking (MATE482) Course Detail
| Course Name | Course Code | Season | Lecture Hours | Application Hours | Lab Hours | Credit | ECTS |
|---|---|---|---|---|---|---|---|
| Secondary Steelmaking | MATE482 | Area Elective | 3 | 0 | 0 | 3 | 5 |
| Pre-requisite Course(s) |
|---|
| N/A |
| Course Language | English |
|---|---|
| Course Type | Elective Courses |
| Course Level | Natural & Applied Sciences Master's Degree |
| Mode of Delivery | |
| Learning and Teaching Strategies | . |
| Course Lecturer(s) |
|
| Course Objectives | This course aims to give a detailed overview of secondary steelmaking |
| Course Learning Outcomes |
The students who succeeded in this course;
|
| Course Content | History of secondary steelmaking and trends in steel quality demands, thermodynamic fundamentals, fluid flow in steel melts, kinetics of reactions among phases, deoxidation of liquid steel, degassing and decarburization of liquid steel, desulfurization in secondary steelmaking, phosphorus control in secondary metallurgy, nitrogen control in steelma |
Weekly Subjects and Releated Preparation Studies
| Week | Subjects | Preparation |
|---|---|---|
| 1 | Ironmaking and steelmaking (review). Principle functions of secondary steelmaking. BOF steelmaking. | Chapter 1 of source [1], Chapter 11 of source [3], Chapter 8 of source [2], and related pages of other sources. |
| 2 | Thermodynamics and mechanism of C-O reaction, Oxidation of Si, Mn and P, Thermodynamics and kinetics of deoxidation. | Chapter 8 of source [2], Chapter 5 of source [1], and related pages of other sources. |
| 3 | Secondary steelmaking (history). Important process control applications related to secondary steelmaking. Typical secondary steelmaking furnaces. | Chapter 1 of source [1], and related pages of other sources. |
| 4 | Sulfur in steelmaking. Sulfur slag-metal distribution ratio. External (hot metal) desulfurization. Oxygen potential of steelmaking systems. Sulfide capacity. Ladle desulfurization. | Chapter 7 of source [1], Chapter 11 of source [3], Chapter 9 of source [2], and related pages of other sources. |
| 5 | Kinetics of desulfurization reaction with top slag. Stirring energy. Injection metallurgy for desulfurization. The reactor model. | Chapter 7 of source [1], and related pages of other sources. |
| 6 | Fluid flow in steel melts and kinetics of reactions among phases | Chapter 3 & 4 of source [1], and related pages of other sources. |
| 7 | Midterm 1 | |
| 8 | Degassing and decarburization of liquid steel. Vacuum degassing & hydrogen and nitrogen. Vacuum degassing processes. Thermodynamics of reactions in vacuum degassing, side reactions & volatilization. Fluid flow and circulation rate in RH degassing. | Chapter 6 of source [1], Chapter 9 of source [2], Chapter 11 of source [3], and related pages of other sources. |
| 9 | Kinetics of degassing and decarburization, Decarburization for ultra-low carbon (ULC) and stainless steel. Argon-oxygen decarburization. | Chapter 6 of source [1], and related pages of other sources. |
| 10 | Phosphorus control in secondary steelmaking. Nitrogen control in steelmaking. Kinetics of desorption and absorption of nitrogen by liquid iron. | Chapter 6 & 8 of source [1], and related pages of other sources. |
| 11 | Influence of inclusions on mechanical properties of steel. The identification of inclusions and cleanliness assessment. Origin of nonmetallic inclusions. | Chapter 9 of source [1], Chapter 9 of source [2], and related pages of other sources. |
| 12 | Formation of inclusions during solidification. Inclusion modification (Ca-treatment). Inclusion modification by rare earth treatment of steel. | Chapter 9 of source [1], Chapter 9 of source [2], and related pages of other sources. |
| 13 | Midterm 2 | |
| 14 | Gas absorption during tapping and teeming from surrounding atmosphere. Changes in temperature of molten steel during secondary steelmaking. Chill factors for ladle additions | Chapter 8 of source [1], Chapter 9 of source [2], and related pages of other sources. |
| 15 | Steel plant refractories: Steelmaking refractories. Refractories for secondary steelmaking. Thermodynamic considerations of refractory stability and inertness. | Chapter 10 of source [1], Chapter 4 of source [3], and related pages of other sources. |
| 16 | Clean steel technology: Deoxidation practice. Teeming practice. Tundish metallurgy for clean steel. | Chapter 10 of source [1], and related pages of other sources. |
Sources
| Course Book | 1. A Ghosh, Secondary Steelmaking, Principles and Applications, CRC Press LLC, Florida, 2001. |
|---|---|
| Other Sources | 2. E.T. Turkdogan, “Fundamentals of Steelmaking”, The Institute of Materials, 1996. |
| 3. The Making, Shaping and Treating of Steel, 11th Edition, Steelmaking & Refining Volume, The AISE Steel Foundation, 1998. | |
| 4. R.J. Fruehan, “Ladle Metallurgy, Principles and Practices”, 1985. |
Evaluation System
| Requirements | Number | Percentage of Grade |
|---|---|---|
| Attendance/Participation | 1 | 5 |
| Laboratory | - | - |
| Application | - | - |
| Field Work | - | - |
| Special Course Internship | - | - |
| Quizzes/Studio Critics | 3 | 5 |
| Homework Assignments | 3 | 5 |
| Presentation | - | - |
| Project | - | - |
| Report | - | - |
| Seminar | - | - |
| Midterms Exams/Midterms Jury | 2 | 50 |
| Final Exam/Final Jury | 1 | 35 |
| Toplam | 10 | 100 |
| Percentage of Semester Work | 65 |
|---|---|
| Percentage of Final Work | 35 |
| Total | 100 |
Course Category
| Core Courses | X |
|---|---|
| Major Area Courses | |
| Supportive Courses | |
| Media and Managment Skills Courses | |
| Transferable Skill Courses |
The Relation Between Course Learning Competencies and Program Qualifications
| # | Program Qualifications / Competencies | Level of Contribution | ||||
|---|---|---|---|---|---|---|
| 1 | 2 | 3 | 4 | 5 | ||
| 1 | An ability to apply knowledge of mathematics, science, and engineering. | X | ||||
| 2 | An ability to design and conduct experiments, as well as to analyze and interpret data. | X | ||||
| 3 | An ability to design a system, component, or process to meet desired needs. | X | ||||
| 4 | An ability to function on multi-disciplinary teams. | X | ||||
| 5 | An ability to identify, formulate and solve engineering problems. | X | ||||
| 6 | An understanding of professional and ethical responsibility. | X | ||||
| 7 | An ability to communicate effectively. | X | ||||
| 8 | An understanding the impact of engineering solutions in a global and societal context and recognition of the responsibilities for social problems. | X | ||||
| 9 | Recognition of the need for, and an ability to engage in life-long learning. | X | ||||
| 10 | Knowledge of contemporary engineering issues. | X | ||||
| 11 | An ability to use the techniques, skills, and modern engineering tools necessary for engineering practice. | X | ||||
| 12 | Skills in project management and recognition of international standards and methodologies | X | ||||
| 13 | An ability to make methodological scientific research. | X | ||||
| 14 | An ability to produce, report and present an original or known scientific body of knowledge. | X | ||||
| 15 | An ability to defend an originally produced idea. | X | ||||
ECTS/Workload Table
| Activities | Number | Duration (Hours) | Total Workload |
|---|---|---|---|
| Course Hours (Including Exam Week: 16 x Total Hours) | 16 | 3 | 48 |
| Laboratory | |||
| Application | |||
| Special Course Internship | |||
| Field Work | |||
| Study Hours Out of Class | 16 | 2 | 32 |
| Presentation/Seminar Prepration | |||
| Project | |||
| Report | |||
| Homework Assignments | 3 | 1 | 3 |
| Quizzes/Studio Critics | 3 | 1 | 3 |
| Prepration of Midterm Exams/Midterm Jury | 2 | 12 | 24 |
| Prepration of Final Exams/Final Jury | 1 | 15 | 15 |
| Total Workload | 125 | ||