Microstructure and Properties of Selected Magnesium-Aluminum Alloys Prepared for SPD Processing Technology

• Autorzy: Cizek L. , Rusz S. , Hilser O. , Śliwa R. , Kuc D. , Tański T. , Tkocz M.

Identyfikatory

DOI

10.1515/amm-2017-0348

• Języki publikacji: EN

Abstrakty

EN

A growing interest in wrought magnesium alloys has been noticed recently, mainly due to development of various SPD (severe plastic deformation) methods that enable significant refinement of the microstructure and – as a result – improvement of various functional properties of products. However, forming as-cast magnesium alloys with the increased aluminum content at room temperature is almost impossible. Therefore, application of heat treatment before forming or forming at elevated temperature is recommended for these alloys. The paper presents the influence of selected heat treatment conditions on the microstructure and the mechanical properties of the as-cast AZ91 alloy. Deformation behaviour of the as-cast AZ61 alloy at elevated temperatures was analysed as well. The microstructure analysis was performed by means of both light microscopy and SEM. The latter one was used also for fracture analysis. Moreover, the effect of chemical composition modification by lithium addition on the microstructure of the AZ31-based alloy is presented. The test results can be helpful in preparation of the magnesium-aluminum alloys for further processing by means of SPD methods.

Słowa kluczowe

EN

magnesium alloys; severe plastic deformation; SPD; ECAP; tensile test; microstructure; fracture

• Wydawca: Institute of Metallurgy and Materials Science of Polish Academy of Sciences ; Committee of Materials Engineering and Metallurgy of Polish Academy of Sciences
• Czasopismo: Archives of Metallurgy and Materials
• Rocznik: 2017
• Tom: Vol. 62, iss. 4
• Strony: 2365--2370
• Opis fizyczny: Bibliogr. 21 poz., rys., tab., wykr.

Twórcy

autor

Cizek L.

• VSB - Technical University of Ostrava, Czech Republic

autor

Rusz S.

• VSB - Technical University of Ostrava, Czech Republic

autor

Hilser O.

• VSB - Technical University of Ostrava, Czech Republic

autor

Śliwa R.

• Rzeszów University of Technology, Poland

autor

Kuc D.

• Silesian University of Technology, Poland

autor

Tański T.

• Silesian University of Technology, Poland

autor

Tkocz M.

• Silesian University of Technology, Poland

Bibliografia

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Uwagi

EN

Research conducted in the framework of the projects: „Support research and development in the Moravian-Silesian Region 2013 DT 1 – International research teams“ (02613/2013/RRC) – financed from the budget of the Moravian-Silesian Region, Czech Republic, and “Modern material technologies in aerospace industry”, (POIG.01.01.02-00-015/08-00) supported by Structural Funds in the Operational Programme – Innovative Economy (IEOP) financed from the European Regional Development Fund. Financial support is gratefully acknowledged. This paper was also created with the financial support of Association of Graduates of the Faculty of Metallurgy and Materials Engineering of Silesian University of Technology, Poland.

PL

Opracowanie rekordu w ramach umowy 509/P-DUN/2018 ze środków MNiSW przeznaczonych na działalność upowszechniającą naukę (2018).