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Lecturer(s)
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Louda Petr, prof. Ing. CSc.
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Course content
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L E C T U R E S: 1. Introduction. Classification of metallic materials. Metallic materials properties. Material standards. Purity of metals and alloys. 2. Chemical composition of alloys, chemical composition determination methods of metallic materials. Effect of chemical composition on properties of metals. 3. Structural steels. Characteristics, examples, application. Effect of chemical composition on properties. Current development directions.. 4. Heat treatable steelsd. Properties, characteristics. Selection examples for typical part. Possibilities of properties changing by heat treatment. 5. Steels with special physical properties. Creep and heat resistant steels and alloys. Low temperature steels. Wear resistant steels. Characteristics, properties and applications. 6. Instrumental steels, corresponding requirements. Characteristics of carbon, alloyed and high-speed tool steels. Selectrion examples for typical aplications. 7. Cast steels and cast irons. Classification, properties and importance. Practical application examples. 8. Non-ferrous metals. Classification, characteristics, physical, chemical, chemické, mechanical and fabricationproperties. 9. Aluminium and magnmesium. Workable and castable alloys. Properties, characteristics, practical application. 10. Copper and its alloys, properties, application. 11. Titanium and its alloys. Properties and practicap application. 12. Low-meltable metals and their alloys. 13. Vysokotavitelné kovy a jejich slitiny. 14. High-meltable metals and their alloys, properties, application. S E M I N A R S : 1. Introduction. Content of seminars. Students distribution into groups - organization. Repetition test. 2. Repetition of steel standardization after ČSN. Steel classification system after DIN and EURONORM standards. 3. - 8. Individual solution of practical tasks with application following testing methods a) Metalography b) Hardness measurement: HV, HB, HRC c) Microhardness measurement: HVM, HK d) Spectral analysis e) Fractography Tasks to solving: TASK no. 1 Identification of material and determination of type and cause of fracture of shackle body of controlling cam. TASK no. 2 Material quality determination and reason of deformation determination of treadle shaft I. (simplified calculation of loading). TASK no. 3 Determination of material and heat treatment of treadle shaft II. Failure cause determination. Result comparison with solved causa. TASK no. 4 Materal quality and heat treatment checking of failed pin and cone satellite of differential. Failure cause judgement. TASK no. 5 Quality checking of materials welded on automatized line. Comparoison and evaluation weldments quality. TASK no. 6 Judgement of formation technology effect on screw heads of passenger-car body cracking. 9. Evaluation of tasks 1-6 solved in turn by student groups (rotation method). Introduction to another set of tasks.. 10. - 13. Solution of tasks from branch of non-ferrous metals, cast irons and thin layers using accessible laboratory methods. 14. Evaluation of given tasks. Credits.
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Learning activities and teaching methods
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Monological explanation (lecture, presentation,briefing), Project teaching, Laboratory work
- Preparation for credit
- 20 hours per semester
- Preparation for exam
- 50 hours per semester
- Presentation preparation (report)
- 15 hours per semester
- Class attendance
- 56 hours per semester
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Learning outcomes
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New sorts of structural steels, maraging steels, microalloyed steels, steels with controlled cooling, heat resistant steels and not ferrous alloys, tool steels, alloys from designer point of viev, non ferrous metals, alloys with givem physical properties, superalloys.
New sorts of structural steels, maraging steels, microalloyed steels, steels with controlled cooling, heat resistant steels and not ferrous alloys, tool steels, alloys from designer point of viev, non ferrous metals, alloys with givem physical properties, superalloys.
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Prerequisites
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Knowledges of subjects HEAT TREATMENTS
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Assessment methods and criteria
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Oral exam
C R E D I T: Active presence at seminars. E X A M: Exam is oral, credit is required.
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Recommended literature
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ČÍHAL,V.:. Korozivzdorné oceli a slitiny, Academia Praha , 1999. Academia Praha, 1999.
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DRASTÍK a kol.:. Atlas použití kovů ve strojírenství. SNTL Praha, 1980.
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FREMUNT a kol.:. Nástrojové oceli. Dům techniky Brno, 1994.
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FREMUNT,P.,PODRÁBSKÝ,T.:. Konstrukční oceli. CERM Brno, 1996.
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MICHNA,Š. a kol. Encyklopedie hliníku. Adin, s.r.o. Prešov, 2005.
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PLUHAŘ,J.,KORITTA,J.:. Strojírenské materiály. SNTL Praha, 1977.
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SEDLÁČEK, V.:. Povrchy a povlaky kovů. ČVUT Praha, 1992.
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