MECH227 ENGINEERING MATERIALS
| Course Code: | 3650227 |
| METU Credit (Theoretical-Laboratory hours/week): | 3 (3.00 - 0.00) |
| ECTS Credit: | 5.0 |
| Department: | Mechanical Engineering |
| Language of Instruction: | English |
| Level of Study: | Undergraduate |
| Course Coordinator: | |
| Offered Semester: | Fall Semesters. |
Course Objectives
At the end of this course, the student will:
- explain the typical structures and the properties of very common engineering materials and the relation between the material’s internal structure and its properties.
- describe some of the very common material processing techniques of metallic, ceramic, polymeric and composite materials,and comprehend how an engineer can achieve a desired property by controlling the structure.
- explain stress and strain concepts, and failure of materials, as well as fracture, fatigue, and creep.
- explain phase diagrams and microstructures. Introduce phase transformations, thermal processing of materials and its relation to microstructure and mechanical properties.
- select and evaluate appropriate materials for various mechanical engineering applications.
Course Content
Structure of engineering materials. Bonding, crystals, grains, imperfections. Mechanical properties. Tensile testing, impact testing, hardness. Plastic deformation, strain hardening, solution hardening, grain size effect, recrystallization. Failure of materials, fracture, fatigue, creep. Phase and phase diagrams. Fe-C phase diagram. Steels. Heat treatment of steels. Alloy steels. Cast iron. Non-ferrous alloys. Ceramics. Polymers. Composites. Some laboratory experiments will be carried out.
Course Learning Outcomes
Having successfully completed this course, the student will be able to:
- Explain the structure of crystalline solids by specifying atomic arrangement and forces / crystal structure / miller indices or imperfections in solids.
- Explain mechanical properties, mechanisms of strengthening and failure of metals.
- Describe phase transformation of alloys using phase transformation diagrams and relate the physical / mechanical properties of alloys with phase transformation.
- Understand the basic aspects of advanced engineering materials, their applications and processing such as metal alloys, ceramics, composites, etc.
Program Outcomes Matrix
| Level of Contribution | |||||
| # | Program Outcomes | 0 | 1 | 2 | 3 |
| 1 | Ability to establish the relationship between mathematics, basic sciences and engineering sciences with engineering applications | ✔ | |||
| 2 | Ability to find and interpret information | ✔ | |||
| 3 | Ability to follow the literature and technology related to his/her topic of interest | ✔ | |||
| 4 | Recognition of the need to keep oneself up to date in his/her profession | ✔ | |||
| 5 | Possession of written and oral communication skills | ✔ | |||
| 6 | Ability to conduct team work (within the discipline, inter-disciplinary, multi-disciplinary) | ✔ | |||
| 7 | Ability to produce original solutions | ✔ | |||
| 8 | Use of scientific methodology in approaching and producing solutions to engineering problems and needs | ✔ | |||
| 9 | Openness to all that is new | ✔ | |||
| 10 | Ability to conduct experiments | ✔ | |||
| 11 | Ability to do engineering design | ✔ | |||
| 12 | Awareness of engineering ethics, knowledge and adoption of its fundamental elements | ✔ | |||
| 13 | Ability to take societal, environmental and economic considerations into account in professional activities | ✔ | |||
| 14 | Possession of pioneering and leadership characteristics in areas related to the profession | ✔ | |||
0: No Contribution 1: Little Contribution 2: Partial Contribution 3: Full Contribution