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Information
| Code | ME208 |
| Name | Materials Science II |
| Term | 2024-2025 Academic Year |
| Semester | 4. Semester |
| Duration (T+A) | 3-0 (T-A) (17 Week) |
| ECTS | 5 ECTS |
| National Credit | 3 National Credit |
| Teaching Language | İngilizce |
| Level | Lisans Dersi |
| Type | Normal |
| Mode of study | Yüz Yüze Öğretim |
| Catalog Information Coordinator | Dr. Öğr. Üyesi DURMUŞ ALİ BİRCAN |
| Course Instructor |
1 2 |
Course Goal / Objective
to introduce the students to the basic principles heat treatment applied to steels and use them to obtain required propertis in steels for design and maufacturing purposes.
Course Content
The transformation and crystal structures of iron. The iron-carbon equilibrium diagram. Time-Temperature Transformation (TTT) diagrams. Formation of pearlite. Formation of bainite. Formation of martensite. Hardenability. Heat treatment of steel. Annealing processes. Hardening. Heating media. Rate of heating. Hardening temperature. Holding time. Methods of cooling; direct quenching to martensite, martempering, austempering. Quenching media; water, brine, oil, air. Tempering. Surface hardening of steel; flame hardening, induction hardening, carburising, nitriding. The role of design in the heat treatment of steel and residual stresses.
Course Precondition
none
Resources
ME 208 Materials Science II Lecture Notes
Notes
Materials Science and Engineering: An Introduction, 8th Edition, William D. Callister Jr., David G. Rethwisch, 2010, John Wiley and Sons, ISBN-10: 111993611X The Science and Engineering of Materials, Donald R. Askeland and Wendelin J. Wright, 2015, Cengage Learning, 1305076761. Foundation of Materials Science and Engineering, William F. Smith and Javad Hashemi, 2018, Mc Graw Hill, 9781260092035 Engineering Materials 1: An Introduction to Properties, Applications and Design, 5th Edition, Jones, Ashby, 2019 Engineering Materials 2: An Introduction to Microstructures and Processing 4th Edition, Ashby, 2013 Malzeme Biliminin Temelleri, Hüseyin Uzun, Fehim Fındık, Serdar Salman, Değişim Yayınları, 2003, İstanbul. Malzeme Bilimi ve Mühendislik Malzemeleri, 1-2 Cilt, Çev. Mehmet Erdoğan, Nobel Yayın Dağıtım, 1998.David G. Rethwisch, 2010, John Wiley and Sons, ISBN-10: 111993611X 3. The Science and Engineering of Materials, Donald R. Askeland and Wendelin J. Wright, 2015, Cengage Learning, 1305076761. 4. Foundation of Materials Science and Engineering, William F. Smith and Javad Hashemi, 2018, Mc Graw Hill, 9781260092035 5. Engineering Materials 1: An Introduction to Properties, Applications and Design, 5th Edition, Jones, Ashby, 2019 6. Engineering Materials 2: An Introduction to Microstructures and Processing 4th Edition, Ashby, 2013 7. Malzeme Biliminin Temelleri, Hüseyin Uzun, Fehim Fındık, Serdar Salman, Değişim Yayınları, 2003, İstanbul. 8. Malzeme Bilimi ve Mühendislik Malzemeleri, 1-2 Cilt, Çev. Mehmet Erdoğan, Nobel Yayın Dağıtım, 1998.
Course Learning Outcomes
| Order | Course Learning Outcomes |
|---|---|
| LO01 | Understand the basic principles of phase diagrams and use them in thermal processing of steels |
| LO02 | Understand hardenability, how to measure it and how to analyse and interpret hardenabiliy for heat treatment and design applications problems |
| LO03 | Understand the effect of alloying elements on hardenability of steels |
| LO04 | Interpret the relationship between the microstructure and properties of steels |
| LO05 | Understand the formation of microstructures during heating and different cooling rates |
| LO06 | Understand the effect of heat treatment parameters on final structure and properties |
| LO07 | Be able to select an appropriate heat treatment according to a specific requirements |
| LO08 | Interpret the properties to obtained according to the heat treatment processes |
| LO09 | Understand how to obtain different properties at different locations |
| LO10 | Understand formation residual stresses and how to eliminate or minimize them during |
| LO11 | Prepare a speciemen for metallographic examination |
Relation with Program Learning Outcome
| Order | Type | Program Learning Outcomes | Level |
|---|---|---|---|
| PLO01 | Bilgi - Kuramsal, Olgusal | Adequate knowledge in mathematics, science, and topics specific to mechanical engineering; the ability to use theoretical and applied knowledge in these fields to solve complex engineering problems. | 5 |
| PLO02 | Bilgi - Kuramsal, Olgusal | The ability to identify, formulate, and solve complex engineering problems in the fields of mechanical engineering and technology; the ability to select and apply appropriate analysis and modeling methods for this purpose. | 4 |
| PLO03 | Bilgi - Kuramsal, Olgusal | The ability to design a complex system, process, device, or product under realistic constraints and conditions to meet specific requirements in mechanical engineering; the ability to apply modern design methods for this purpose. | 5 |
| PLO04 | Bilgi - Kuramsal, Olgusal | The ability to select and use modern techniques and tools necessary for analyzing and solving complex problems encountered in mechanical engineering applications; the ability to effectively use information technologies. | 4 |
| PLO05 | Bilgi - Kuramsal, Olgusal | The ability to design experiments, conduct experiments, collect data, analyze and interpret the results for the investigation of complex engineering problems or research topics specific to mechanical engineering. | 3 |
| PLO06 | Bilgi - Kuramsal, Olgusal | The ability to work effectively in intra-disciplinary (mechanical engineering) and multidisciplinary teams; the ability to work individually. | |
| PLO07 | Bilgi - Kuramsal, Olgusal | The ability to communicate effectively both orally and in writing; proficiency in at least one foreign language; the ability to write effective reports in mechanical engineering, understand written reports, prepare design and production reports, deliver effective presentations, and give and receive clear instructions. | |
| PLO08 | Beceriler - Bilişsel, Uygulamalı | Awareness of the necessity of lifelong learning; the ability to access information, follow developments in science and technology, and continuously renew oneself in the field of mechanical engineering. | |
| PLO09 | Yetkinlikler - Bağımsız Çalışabilme ve Sorumluluk Alabilme Yetkinliği | Behaving in accordance with ethical principles, awareness of professional and ethical responsibilities in the field of mechanical engineering, and knowledge about the standards used in engineering practices. | |
| PLO10 | Yetkinlikler - Bağımsız Çalışabilme ve Sorumluluk Alabilme Yetkinliği | Knowledge of business practices such as project management, risk management, and change management in the field of mechanical engineering; awareness of entrepreneurship and innovation; knowledge about sustainable development. | |
| PLO11 | Yetkinlikler - Bağımsız Çalışabilme ve Sorumluluk Alabilme Yetkinliği | Awareness of the universal and societal dimensions of the impacts of mechanical engineering applications on health, environment, and safety, and knowledge about the contemporary issues in the field of mechanical engineering; awareness of the legal consequences of mechanical engineering solutions. |
Week Plan
| Week | Topic | Preparation | Methods |
|---|---|---|---|
| 1 | The Transformations and Crystal Structures of Iron | Lecture notes and references | Öğretim Yöntemleri: Anlatım, Soru-Cevap |
| 2 | The Iron Carbon Equilibrium Diagram. Slow heating and cooling of plain carbon steels | Lecture notes and references | Öğretim Yöntemleri: Anlatım, Soru-Cevap |
| 3 | Time-Temperature-Transformation (TTT) Diagrams. Continuos cooling diagrams | Lecture notes and references | Öğretim Yöntemleri: Anlatım, Soru-Cevap |
| 4 | Hardenability. The Jominy end quench hardenability test. Practical applications of Jominy Curves | Lecture notes and references | Öğretim Yöntemleri: Anlatım, Soru-Cevap |
| 5 | Introduction to heat treatments. Austenizing. Spheroidizing Annealing. Recyrstallization Annealing | Lecture notes and references | Öğretim Yöntemleri: Anlatım |
| 6 | Stress Relief Annealing. Full Annealing. Normalizing | Lecture notes and references | Öğretim Yöntemleri: Anlatım, Soru-Cevap |
| 7 | Hardening (Quenching). Heating Media. Rate of Heating. Hardening Temperature. Holding time at temperature | Lecture notes and references | Öğretim Yöntemleri: Anlatım, Soru-Cevap |
| 8 | Mid-Term Exam | Lecture notes and references | Ölçme Yöntemleri: Yazılı Sınav |
| 9 | Direct Quenching to Martensite. Martempering. Austempering. Tempering | Lecture notes and references | Öğretim Yöntemleri: Anlatım, Soru-Cevap |
| 10 | Surface Hardening of Steel. Carburizng and heaet treatments applied after carburizing | Lecture notes and references | Öğretim Yöntemleri: Anlatım, Soru-Cevap |
| 11 | Selective Heating; Flame Hardening, Induction Hardening, Laser beam hardening, Electron beam hardening | Lecture notes and references | Öğretim Yöntemleri: Soru-Cevap |
| 12 | The role of design in the heat treatment of steel and residual stresses | Lecture notes and references | Öğretim Yöntemleri: Anlatım |
| 13 | Case studies; Problems related to heat treat treatments and their elimination | Lecture notes and references | Öğretim Yöntemleri: Anlatım |
| 14 | Metallography | Lecture notes and references | Öğretim Yöntemleri: Anlatım, Alıştırma ve Uygulama |
| 15 | Practice for sample preparation and optical micoscopy | Lecture notes and references | Ölçme Yöntemleri: Performans Değerlendirmesi |
| 16 | Term Exams | Lecture notes and references | Ölçme Yöntemleri: Yazılı Sınav |
| 17 | Term Exams | Lecture notes and references | Ölçme Yöntemleri: Yazılı Sınav |
Student Workload - ECTS
| Works | Number | Time (Hour) | Workload (Hour) |
|---|---|---|---|
| Course Related Works | |||
| Class Time (Exam weeks are excluded) | 14 | 3 | 42 |
| Out of Class Study (Preliminary Work, Practice) | 14 | 3 | 42 |
| Assesment Related Works | |||
| Homeworks, Projects, Others | 0 | 0 | 0 |
| Mid-term Exams (Written, Oral, etc.) | 1 | 12 | 12 |
| Final Exam | 1 | 18 | 18 |
| Total Workload (Hour) | 114 | ||
| Total Workload / 25 (h) | 4,56 | ||
| ECTS | 5 ECTS | ||