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Information
| Unit | CEYHAN FACULTY OF ENGINEERING |
| MECHANICAL ENGINEERING PR. | |
| Code | MMB208 |
| Name | Material Science II |
| Term | 2019-2020 Academic Year |
| Semester | 4. Semester |
| Duration (T+A) | 3-0 (T-A) (17 Week) |
| ECTS | 5 ECTS |
| National Credit | 3 National Credit |
| Teaching Language | Türkçe |
| Level | Lisans Dersi |
| Type | Normal |
| Label | C Compulsory |
| Mode of study | Yüz Yüze Öğretim |
| Catalog Information Coordinator | Prof. Dr. ABDULKADİR YAŞAR |
| Course Instructor |
Prof. Dr. ABDULKADİR YAŞAR
(Bahar)
(A Group)
(Ins. in Charge)
|
Course Goal / Objective
The aim of this course is to realize the basic principles involved in materials selection based on the properties of materials and how the tests are conducted to obtain information about the mechanical properties of engineering materials.
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
Yok
Resources
Notes
12345
Course Learning Outcomes
| Order | Course Learning Outcomes |
|---|---|
| LO01 | Understands the basic principles of phase diagrams and uses them in thermal processing of steels |
| LO02 | Understands hardenability, how to measure it and how to analyse interpret hardenabiliy for heat treatment and designs application problems. |
| LO03 | Understands the effect of alloying elements on hardenability of steels. |
| LO04 | Interprets the relationship between the microstructure and properties of steels. |
| LO05 | Understands the formation of microstructures during heating and different cooling rates. |
| LO06 | Understands the effect of heat treatment parameters on final structure and properties. |
| LO07 | Is able to select an appropriate heat treatment according to specific requirements. |
| LO08 | Interprets the properties to be obtained according to the heat treatment processes. |
Relation with Program Learning Outcome
| Order | Type | Program Learning Outcomes | Level |
|---|---|---|---|
| PLO01 | - | Understanding the fundamentals of Mechanical Engineering | 4 |
| PLO02 | - | Being well equipped with knowledge of Mathematics, Science and Basic Engineering | 3 |
| PLO03 | - | Having capability of designing and executing experiments; examining the results and data | 1 |
| PLO04 | - | Being well equipped with various engineering techniques and skills | 2 |
| PLO05 | - | Being able to design a system ,a component or a process with taking into consideration the technical, economic, enviromental, sustainability limitations | 1 |
| PLO06 | - | Ability to analyze the applications on a factory without any help, investigate the problems, formulizing and finding a proper solution for the problems | 4 |
| PLO07 | - | Ability to design , developing getting ready for use of a product or manufacturing process | 3 |
| PLO08 | - | Understanding the importance of life-time learning and being updated | 5 |
| PLO09 | - | Having advanced speaking and writing English skills | 1 |
| PLO10 | - | Using Computer effectively; for computed aided design, analysis and illustrating | 2 |
| PLO11 | - | Being prone to teamwork, well communication with others, adaptability to interdisciplinary teams | 1 |
| PLO12 | - | Being aware of the technical and ethical responsibility, being curious and innovative | 3 |
Week Plan
| Week | Topic | Preparation | Methods |
|---|---|---|---|
| 1 | The Transformations and Crystal Structures of Iron | Read the related topics in the lecture notes and reference books | |
| 2 | The Iron Carbon Equilibrium Diagram. Slow heating and cooling of plain carbon steels | Read the related topics in the lecture notes and reference books | |
| 3 | Time-Temperature-Transformation (TTT) Diagrams. Continuos cooling diagrams | Read the related topics in the lecture notes and reference books | |
| 4 | Hardenability. The Jominy end quench hardenability test. Practical applications of Jominy Curves | Read the related topics in the lecture notes and reference books | |
| 5 | Introduction to heat treatments. Austenizing. Spheroidizing Annealing. Recyrstallization Annealing | Read the related topics in the lecture notes and reference books | |
| 6 | Stress Relief Annealing. Full Annealing. Normalizing | Read the related topics in the lecture notes and reference books | |
| 7 | Hardening (Quenching). Heating Media. Rate of Heating. Hardening Temperature. Holding time at temperature | Read the related topics in the lecture notes and reference books | |
| 8 | Mid-Term Exam | Midterm Exam | |
| 9 | Direct Quenching to Martensite. Martempering. Austempering. Tempering | Read the related topics in the lecture notes and reference books | |
| 10 | Surface Hardening of Steel. Carburizng and heaet treatments applied after carburizing | Read the related topics in the lecture notes and reference books | |
| 11 | Selective Heating; Flame Hardening, Induction Hardening, Laser beam hardening, Electron beam hardening | Read the related topics in the lecture notes and reference books | |
| 12 | The role of design in the heat treatment of steel and residual stresses | Read the related topics in the lecture notes and reference books | |
| 13 | Case studies; Problems related to heat treat treatments and their elimination | Read the related topics in the lecture notes and reference books | |
| 14 | Metallography | Read the related topics in the lecture notes and reference books | |
| 15 | Practice for sample preparation and optical micoscopy | Read the related topics in the lecture notes and reference books | |
| 16 | Term Exams | Final exam | |
| 17 | Term Exams | Final exam |
Assessment (Exam) Methods and Criteria
| Assessment Type | Midterm / Year Impact | End of Term / End of Year Impact |
|---|---|---|
| 1. Homework | 100 | 20 |
| General Assessment | ||
| Midterm / Year Total | 100 | 20 |
| 1. Final Exam | - | 80 |
| Grand Total | - | 100 |
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 | ||