TÜRKÇE
ENGLISH
Information
| Code | OMZ208 |
| Name | Material Technology 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 | Türkçe |
| Level | Lisans Dersi |
| Type | Normal |
| Label | C Compulsory |
| Mode of study | Yüz Yüze Öğretim |
| Catalog Information Coordinator | Prof. Dr. ALİ KESKİN |
| Course Instructor |
Prof. Dr. ABDULKADİR YAŞAR
(A Group)
(Ins. in Charge)
|
Course Goal / Objective
The aim of this course is to teach the basic concepts related to heat treatments applied to steels and to provide the ability to improve material properties for design and manufacturing using this basic information.
Course Content
Thermal transformation diagram and crystal structures for pure iron. Iron-carbon equilibrium diagram. Time-temperature transformation diagrams. Formation of pearlite, bainite and martensite formations. Hardenability. Heat treatments applied to steels. Annealing processes. Hardening. Factors affecting the hardening result; heating medium, heating rate, holding time, hardening temperature. Cooling methods used in hardening; Direct cooling, martempering, austempering. Cooling media; water, brine, oil, water-based polymer liquids, air. Surface hardening processes; flame hardening, induction hardening. Carburizing and heat treatments applied after carburizing, nitriding, carbonnitriding. The role of design in heat treatments and thermal stresses.
Course Precondition
There are no prerequisites for this course.
Resources
William D. Callister, David D. Rethwisch, Recep Artır and Cuma Bindal (Translator), Materials Science and Engineering, Nobel Academic Publishing, 992p, 2014.
Notes
Course presentations and notes of the instructor responsible for the course
Course Learning Outcomes
| Order | Course Learning Outcomes |
|---|---|
| LO01 | Understand the Iron-Carbon Equilibrium Diagram, Time-Temperature Transformation Diagrams and the importance of using these diagrams in heat treatments. |
| LO02 | Understand how hardenability can be determined and explain the results obtained for practical applications. |
| LO03 | Understand the effects of alloying elements on hardenability. |
| LO04 | Gain the ability to interpret the relationships between the structure of metals and material properties. |
| LO05 | Explains the structural transformations that will occur during heating and cooling. |
| LO06 | Explains the effects of heat treatment parameters on the structure and properties to be obtained. |
| LO07 | Selects the heat treatment method for the desired material properties in design and manufacturing. |
| LO08 | Understands the properties that can be obtained after any heat treatment. |
Relation with Program Learning Outcome
| Order | Type | Program Learning Outcomes | Level |
|---|---|---|---|
| PLO01 | Bilgi - Kuramsal, Olgusal | Applies sufficient knowledge of mathematics, science, and discipline-specific topics in automotive engineering, utilizing theoretical and practical knowledge in solving complex engineering problems. | |
| PLO02 | Beceriler - Bilişsel, Uygulamalı | Identifies, defines, and solves complex engineering problems in automotive engineering applications using scientific methods. | |
| PLO03 | Beceriler - Bilişsel, Uygulamalı | Designs a complex system, process, device, or product in automotive engineering under realistic constraints and conditions to meet specific requirements and effectively applies modern design methods in this process. | 4 |
| PLO04 | Beceriler - Bilişsel, Uygulamalı | Uses information technologies to select and use modern techniques and tools necessary for the analysis and solution of complex problems encountered in automotive engineering applications. | |
| PLO05 | Beceriler - Bilişsel, Uygulamalı | Designs and conducts experiments, collects data, analyzes, and interprets the results to examine complex engineering problems or discipline-specific research topics in the field of automotive engineering. | |
| PLO06 | Yetkinlikler - Bağımsız Çalışabilme ve Sorumluluk Alabilme Yetkinliği | Effectively takes responsibility individually and as a team member in intradisciplinary (automotive engineering) and multidisciplinary teams. | |
| PLO07 | Yetkinlikler - Bağımsız Çalışabilme ve Sorumluluk Alabilme Yetkinliği | Gains knowledge of the legislation related to automotive engineering and awareness of professional ethical responsibility. | |
| PLO08 | Yetkinlikler - Öğrenme Yetkinliği | Being aware of the necessity of lifelong learning and constantly improving and renewing itself in the field of automotive engineering. | |
| PLO09 | Yetkinlikler - İletişim ve Sosyal Yetkinlik | Gains the ability to communicate verbally and in writing in Turkish/English regarding the field of automotive engineering, write reports, prepare design and production reports, make effective presentations and use communication technologies. | |
| PLO10 | Yetkinlikler - Alana Özgü Yetkinlik | Using project design and management knowledge, he/she attempts to develop and realize new ideas regarding automotive engineering applications. | |
| PLO11 | Yetkinlikler - Alana Özgü Yetkinlik | Have awareness of the effects of Automotive Engineering applications on health, environment and safety at universal and social dimensions, and the legal consequences of the problems and solutions of the age reflected in the field of automotive engineering. |
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 | Öğretim Yöntemleri: Anlatım |
| 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 | Öğretim Yöntemleri: Anlatım, Tartışma |
| 3 | Time-Temperature-Transformation (TTT) Diagrams. Continuos cooling diagrams | Read the related topics in the lecture notes and reference books | Öğretim Yöntemleri: Anlatım, Tartışma, Problem Çözme |
| 4 | Hardenability. The Jominy end quench hardenability test. Practical applications of Jominy Curves | Read the related topics in the lecture notes and reference books | Öğretim Yöntemleri: Anlatım |
| 5 | Introduction to heat treatments. Austenizing. Spheroidizing Annealing. Recyrstallization Annealing | Read the related topics in the lecture notes and reference books | Öğretim Yöntemleri: Anlatım, Tartışma, Problem Çözme |
| 6 | Stress Relief Annealing. Full Annealing. Normalizing | Read the related topics in the lecture notes and reference books | Öğretim Yöntemleri: Anlatım, Tartışma |
| 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 | Öğretim Yöntemleri: Anlatım, Tartışma, Problem Çözme |
| 8 | Mid-Term Exam | Writing Exam | Ölçme Yöntemleri: Yazılı Sınav |
| 9 | Direct Quenching to Martensite. Martempering. Austempering. Tempering | Read the related topics in the lecture notes and reference books | Öğretim Yöntemleri: Anlatım |
| 10 | Surface Hardening of Steel. Carburizng and heaet treatments applied after carburizing | Read the related topics in the lecture notes and reference books | Öğretim Yöntemleri: Anlatım, Tartışma |
| 11 | Selective Heating; Flame Hardening, Induction Hardening, Laser beam hardening, Electron beam hardening | Read the related topics in the lecture notes and reference books | Öğretim Yöntemleri: Anlatım, Tartışma, Problem Çözme |
| 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 | Öğretim Yöntemleri: Anlatım, Tartışma |
| 13 | Case studies; Problems related to heat treat treatments and their elimination | Read the related topics in the lecture notes and reference books | Öğretim Yöntemleri: Anlatım |
| 14 | Metallography | Read the related topics in the lecture notes and reference books | Öğretim Yöntemleri: Anlatım, Tartışma, Problem Çözme |
| 15 | Composite materials | Read the related topics in the lecture notes and reference books | Öğretim Yöntemleri: Anlatım, Tartışma |
| 16 | Term Exams | Writing Exam | Ölçme Yöntemleri: Yazılı Sınav |
| 17 | Term Exams | Writing Exam | 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 | ||