Heat Treatment of Metals

Major: Materials Science
Code of subject: 6.132.03.O.022
Credits: 4.50
Department: Department of Materials Science and Engineering
Lecturer: Eduard Pleshakov, assistent professor, PhD
Semester: 4 семестр
Mode of study: денна
Learning outcomes: To know: - technologies of different types heat treatment of alloys. Be able: - to apply this knowledge in simple tasks of design and manufacture of tools and machine parts; - to select appropriate alloys and strengthening methods for machine parts and tools according to the operational conditions; - to make choices optimum technologies of heat treatment to improve durability and operational reliability tools and components of machines and devices.
Required prior and related subjects: Prerequisites: 1. Structural Materials Technologies. 2. Materials Science. 3. Physics. 4. Chemistry. 5. Physical chemistry. 6. Crystallography. 7. The theory of structure of alloys. Co-requisites: 1. Surface treatment and repair of components. 2. Tool materials. 3. Nonferrous metals and alloys. 4. Mechanical properties and structural strength of materials. 5. Expertise of products.
Summary of the subject: Mechanisms of strengthening in metals: graine size reduction, strain, solid solution and precipitation strengthening. Recovery, polygonization, recrystallization and grain growth. The effect of time, temperature and strain on recrystallization. Diffusion mechanisms and factors affecting diffusion. Fick’s first and second laws. Types of phases and phase diagrams. Eutectic, peritectic and eutectoid transformations. Thermodynamics and kinetics of phase transformations. Isothermal and continuous cooling transformation diagrams. Classification of heat treatment processes. Diffusion, recrystallization, stress-relief annealings. Phase transformations in Iron–Carbon alloys. The theory and kinetics of pearlite, martensite and bainite transformations. Effect of alloying elements. Stress-induced martensite formation. Heat treatment technologies of steel: annealing, hardening, tempering, surface quenching. The theory of strengthening of nonferrous alloys by solution treatment and aging. Heat treatment of titanium and aluminium alloys. Shape memory alloys. The influence of composition, fabrication methods, heat treatment and deformation conditions on shape memory effect.
Assessment methods and criteria: 1. Current control: interviews during the laboratory works, written reports, essays on the topic of individual assignments (30%); 2. Examination: written-oral form (70%).
Recommended books: 1. Дяченко С.С., Дощечкіна І.В., Мовлян А.О., Плешаков Е.І. Матеріалознавство. – Харків: Видавництво ХНАДУ, 2007. – 440 с. 2. Кузін О.А., Яцюк Р. Металознавство і термічна обробка. – Київ: Основа, 2005. - 360 с. 3. Мохорт А.В., Чумак М.Г. Термічна обробка металів: Навчальний посібник. – К : Либідь, 2002. – 512 с. 4. Бялік О.М., Черненко В.С., Писаренко В.М., Москаленко Ю.Н. Металознавство. – К.: Політехніка, 2001. - 374 с. 5. David A. Porter and K.E. Easterling. Phase transformations in metals and alloys. Van Nostrand Reinhold (UK) Co. Ltd, 1981 6. William D. Callister, Jr. Materials Science and Engineering: An Introduction. 7-th edition. John Wiley & Sons, Inc., 2007. 7. R. E. Smallman, R. J. Bishop. Modern Physical Metallurgy and Materials Engineering. Sixth Edition. Reed Educational and Professional Publishing Ltd, 1999. 8. D. R. Askeland, P. P. Fulay, W. J. Wright. The Science and Engineering of Materials. Sixth Edition. Cengage Learning, 2010.