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Technology for the production of castings from non-ferrous metal alloys

Type of study Follow-up Master
Language of instruction Czech
Code 652-3053/01
Abbreviation TVOSNZK
Course title Technology for the production of castings from non-ferrous metal alloys
Credits 6
Coordinating department Department of Metallurgical Technologies
Course coordinator doc. Ing. Petr Lichý, Ph.D.

Subject syllabus

1. Introduction.
2. Classification of non-ferrous metal alloys. Basic material characteristics.
3. Aluminum alloys, structure, properties and applications. Function and effect of alloying, accompanying and harmful elements.
4. Grain refinement and modification of Al-Si alloys., microstructure control, cooling curve.
5. Copper alloys - bronzes, brasses. Properties, applications and microstructure. Oxidation and reduction of melting. Determination and elimination of hydrogen and oxygen in these materials.
6. Production of castings from magnesium-based alloys. Classification of magnesium alloys, structure, properties and applications of individual types. Melt treatment using protective gases and refining agents.
7. Technology for the production of zinc-titanium alloy castings. Basic definition of alloys, structure, properties and applications. Specifics of mold production.
8. Overview of used production technologies for casting non-ferrous alloys. Use of permanent and non-permanent molds in relation to ecological and economic principles of casting production.
9. Melting of non-ferrous metal alloys. Basic furnace equipments. Metallurgical processing - refining. Used charge materials affecting ecological and economic aspects of foundry production.
10. Casting of castings by low-pressure die casting. Solution of the gating system, material filtration and thermal regime of the mold. Definition and analysis of specific defects of castings. Possibilities of using sand molds and cores.
11. Production of castings by high-pressure die casting technology. Machines with cold and hot chambers. Advantages and disadvantages of the technology.
12. Methods eliminating the shortcomings of pressure die casting - vacuuming of molds, use of local and total squeeze casting. Semi-solid metalcasting technology. Possibilities of thixocasting. Advantages and disadvantages of these technologies.
13. Non-conforming production. Achieving higher quality of castings from non-ferrous metal alloys. Heat treatment of castings. Analysis, definition, causes and elimination of defects.

E-learning

Study supports in the E-learning system.

Literature

1. JARFORS, A.E.W. Pressure Different Casting. Encyclopedia of Materials: Metals and Alloys. Vol. 4, 2022, p. 117-128.
2. RAKHMONOV, J., TIMELLI, G., BONOLLO, F. The Effect of Transition Elements on High-Temperature Mechanical Properties of Al-Si Foundry Alloys-A Review. Advanced Engineering Materials, 2016, 18, 8, 1096-1105.
3. CAMPBELL, F.C. Elements of metallurgy and engineering alloys. Ohio: ASM International, 2008. 645 s. ISBN 978-0-87170-867-0 .

Advised literature

1. LI, H., LI, X. The Present Situation and the Development Trend of New Materials Used in Automobile Lightweight. Applied Mechanics and Materials, 2012, 189, 58-62..
2. ROBLES HERNANDEZ, F. C.; HERRERA RAMÍREZ, J. M.; MACKAY, R. Al-Si Alloys: Automotive, Aeronautical, and Aerospace Applications. Cham: Springer International Publishing, 2017. ISBN 978-3319583792 .
3. BONOLLO, F., GRAMEGNA, N.; TIMELLI, G. High-Pressure Die-Casting: Contradictions and Challenges. JOM 67, 901–908 (2015). https://doi.org/10.1007/s11837-015-1333-8.