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| MET2002 | Phase Diagrams | 3+0+0 | ECTS:5 | | Year / Semester | Spring Semester | | Level of Course | First Cycle | | Status | Compulsory | | Department | DEPARTMENT of METALLURGICAL and MATERIALS ENGINEERING | | Prerequisites and co-requisites | None | | Mode of Delivery | Face to face | | Contact Hours | 14 weeks - 3 hours of lectures per week | | Lecturer | Prof. Dr. Sultan ÖZTÜRK | | Co-Lecturer | PROF. DR. Sultan ÖZTÜRK, | | Language of instruction | Turkish | | Professional practise ( internship ) | None | | | | The aim of the course: | | Objective of this course to teah the students phase diagrams which is very important for understanding heat treatment and alloy systems. |
| Learning Outcomes | CTPO | TOA | | Upon successful completion of the course, the students will be able to : | | | | LO - 1 : | Know basic principles in constructing of phase diagrams or equilibrium diagrams | 1,12 | | | LO - 2 : | Interpret their relations with thermodynamics and to use phase diagrams in basic materials science problems. | 1,12 | | | LO - 3 : | Understanding the phase diagrams for alloy systems, learning to make a correlation between microstructure and
mechanical properties that will produce the desired microstructure.,
| 1,12 | | | LO - 4 : | To design a heat treatment process that will produce the desired microstructure. | 1,12 | | | LO - 5 : | Understand the importance of a heat treatment, and the effects on the microstructure of the iron-carbon alloys. | 1,12 | | | LO - 6 : | Learn phase transformations in metals: Apply phase equilibrium diagrams to the analysis of metals, metallic alloys and ceramics | 1,12 | | | LO - 7 : | To know and control structure and properties of ceramics describe the cooling of an alloy from the liquid to solid state and use the lever rule to calculate phase proportions and compositions from tie lines | 1,12 | | | LO - 8 : | Use a binary phase diagram to quantitatively describe the compositions, phases and microstructures developed during heat treatments of binary solid systems | 1,12 | | | LO - 9 : | Know the microstructure, properties, and applications of cast irons steels and their types | 1,12 | | | CTPO : Contribution to programme outcomes, TOA :Type of assessment (1: written exam, 2: Oral exam, 3: Homework assignment, 4: Laboratory exercise/exam, 5: Seminar / presentation, 6: Term paper), LO : Learning Outcome | | |
| Introduction. The Gibbs phase rule ,Unary equilibrium diagrams. Allotropy. Binary equilibrium diagrams, Isomorphous systems. The lever rule.
Binary reactions (eutectic, eutectoid, monotectic, peritectic, peritectoid and sintectic). Congruent transformations. Complex binary equilibrium diagrams. Ternary equilibrium diagrams,The ternary space model,Tie-lines and tie-triangles. ,Isomorphous systems. , Three phase equilibrium.
Four phase equilibrium: , Intermediate phases (congruently and non-congruently melting). , Liquid miscibility gap. Complex ternary equilibrium diagrams. Experimental determination of equilibrium diagrams. Thermodynamic assessment.
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| Course Syllabus | | Week | Subject | Related Notes / Files | | Week 1 | Description of system, component and phase equilibrium. | | | Week 2 | One component systems, phase rules,Clasius-Clapeyron equation. | | | Week 3 | Thermodynamic and phase diagrams. | | | Week 4 | Two component systems, fundamentals of phase formation, isomorphic systems, lever rule. | | | Week 5 | Eutectic, peritectic systems and solidifications of some alloys. | | | Week 6 | Eutoctoid, peritoctoid and monotectic transformations, regular and non-regular transformations. | | | Week 7 | Investigation of iron-carbon equilibrium diagram. | | | Week 8 | Mid-term exam. | | | Week 9 | Three component systems. | | | Week 10 | Alkemade lines and triangle. | | | Week 11 | Three component systems and lever rule. | | | Week 12 | Example diagrams. | | | Week 13 | Study of important three component systems. | | | Week 14 | Study of important three component systems. | | | Week 15 | Four-component systems. | | | Week 16 | End-term exam. | | | |
| 1 | Phase Diagrams in Metallurgy - F. N. Rhines McGraw-Hill Book Company, Inc., 1956 | | | 2 | Ternary Equilibrium Diagrams, D. R. F. West Chapman and Hall, 1982. | | | |
| Method of Assessment | | Type of assessment | Week No | Date | Duration (hours) | Weight (%) | | Mid-term exam | 8 | | 1,5 | 50 | | End-of-term exam | 16 | | 1,5 | 50 | | |
| Student Work Load and its Distribution | | Type of work | Duration (hours pw) | No of weeks / Number of activity | Hours in total per term | | Yüz yüze eğitim | 3 | 14 | 42 | | Sınıf dışı çalışma | 6 | 14 | 84 | | Arasınav için hazırlık | 10 | 1 | 10 | | Arasınav | 1.15 | 1 | 1.15 | | Dönem sonu sınavı için hazırlık | 12 | 1 | 12 | | Dönem sonu sınavı | 1.15 | 1 | 1.15 | | Total work load | | | 150.3 |
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