<p>Name of subject : THEORY OF HEAT TREATMENT Faculty : Mechanical engineering Type of study: Magister Study discipline: Engineering technology Direction: Material engineering Subject: Obligatory Semester : 7 Extent : 2 / 2 ex Garant: Doc.Ing.Karel Daďourek,CSc., Dept. of Mater. Sci. Lecturer : Doc.Ing.Karel Daďourek,CSc.</p><p>L E C T U R E S 1. Heat treatment classification. Physical-metallurgical basics of heat treatment : equilibrium diagrams, phase transformation diffusion and non-diffusion. 2. Heating and cooling of charge. Heat transmission. Controlled cooling. Thermal conductivity and coefficient of conductivity. Cooling media. Thermal stress in charge. 3. Annealing without using of phase transformations - stress relief, recrystallization, diffussion and homogeneization annealing, soft annealing. Non-equilibrium eutectics. 4. Annealing with using of phase transformations - normalizing, graphitization, heterogeneization annealing. Desintegration of less stable structure to equilibrium one. 5. Non-diffusion transformation. Shape memory. Superelastic materials. Martensite transformation and its properties. 6. Hardening of steels. Hardening of cast irons. Hardenable non-ferrous metals. 7. Tempering of steels. Processes at tempering. Secondary hardness. Tempering of high speed steels. 8. Precipitation strengthening. Decomposition of oversaturated solid solution. 9. Spinodal decomposition of oversaturated solid solution. Spinodal stregthening. Applicable alloys and their properties. 10. Mechanico-thermal treatment - low temperature, high temperature. Application of mechanico-thermal treatment. 11. Surface heat treatment. Surface heat treatment methods and their specialities. Types of surface hardening. Induction heat treatment. 12. Characteristics of cooling media and their determination. Quenchtest. Effects on cooling media quality. 13. Equipments for heat treatment. Chambre and continuous furnaces. Organization of heat treatment shops. 14. Modern trends and other prospects of heat treatment. </p><p>S E M I N A R S 1. Types of equilibrium diagrams and their application. Relation of solubility Connection of solubility with bonds, intermedium phases, cooling curves, examples. 2. Equlibrium diagram Fe - C metastable, stable, task with application of level rule and determination of resulting structure. Metallography terminology. 3. Application of stable diagram on resulting structure of graphite cast irons. 4. Recrystalizing. Single methods of anealing and their practical application, effect on structure of steels. 5. Diagrams for rapid heating and cooling. Kinetic diagrams of phase transformations. Austenitizing of steels. 6. TTT diagram of steels and their applications. 7. Heating modes and cooling methods. 8. Furnaces, protective atmospheres, vacuum, baths. 9. Proposal of technology procedure of heat treatment. Examples of various technology procedures and methodics of their setup. 10. Proposal of technology procedure of heat treatment. 11. Checking methods of heat treatment quality. Typical lacks of heat treatment. 12. Limited solubility admixtures. Decomposition of oversaturated solid solutions. Age hardening, properties of resulting structures. 13. Basic metallography structures after heat treatment of non-ferrous metals. Samples of typical structures. 14. Evaluation of given tasks, credits. </p><p>L I T E R A T U R E RYŠ, P. A KOL: : Nauka o materiálu I/4, Academia, Praha, 1975 NOVIKOV,I.I. :Teorija termičeskoj obrabotki metallov, Moskva,1986 </p>