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The paper is concerned with an analysis of utility and fatigue properties of industrially produced aluminium alloy, specifically EN AW 6061 (AlMg1SiCu), reinforced with the particles of SiC. The following properties were subject to evaluation: microstructure and sub-structure, mechanical characteristics. All of these mechanical properties in pre- and post- equal channel angular pressed (ECAP) state have been studied. The hardness was evaluated by Vickers hardness test at the load of HV10. The significant part the thesis was devoted to the fatigue properties at cyclic load in torsion. The presented results demonstrate well that the combination of fractography and microscopy can give a significant contribution to the knowledge of initiation and propagation crack in the aluminium alloy.
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56--60
Opis fizyczny
Bibliogr. 14 poz., fig., tab.
Twórcy
autor
- Department of Materials Science, Faculty of Metallurgy, Technical University in Košice, Park Komenského 11, 042 00 Košice, Slovak Republic
autor
- Department of Materials Science, Faculty of Metallurgy, Technical University in Košice, Park Komenského 11, 042 00 Košice, Slovak Republic
autor
- Department of Materials Science, Faculty of Metallurgy, Technical University in Košice, Park Komenského 11, 042 00 Košice, Slovak Republic
autor
- Department of Metals Forming, Faculty of Metallurgy, Technical University of Košice, Park Komenského 11, 042 00 Košice,, Slovak Republic
Bibliografia
- 1. Du Feng-Shan et al. Study on fatigue performance of high strength aluminum alloy. Journal of Aeronautical Materials, 29(1), 2009, 96–100.
- 2. Enescu C.M. et al.:Experimental researches on the corrosion behavior and microstructural aspects of heat treated Al-Zn-Mg-Cu alloys. International Journal of Energy and Environment, 4, 2010, 122–130.
- 3. Totten G.E. el al. Handbook of aluminum. In: Physical Metallurgy and Processes, 2003.
- 4. Daunys M. et al. Low cycle stress curves and fatigue under tension-compression and torsion. Mechanika, 2009, 5–11.
- 5. Halfpenny A. Practical Discussion on Fatigue. Environmental Engineering, 14(3), 2001.
- 6. Ebara R. et al. Environmental Fatigue of 7075-T6 Aluminum Alloy. Engineering Materials, 2011, 13–16.
- 7. Kariya K. et al. Fatigue fracture mechanism of extruded Al alloy 7075-T6 in high humidity. Engineering Materials, 2012, 45–48.
- 8. Faltus J. et al. Fatigue properties of machinable aluminium alloys AA2007 and AA2015. Metal, 2006, 1–8.
- 9. Kvačkaj T. et al. Simulation of ECAP process by finite element method. Kovove Mater., 45, 2007, 249.
- 10. Spišák E. et al. Effect of the electrolyte temperature and the current density on a layer microhardness generated by the anodic aluminium oxidation. Advances in Materials Science and Engineering, 2015, 9 pages.
- 11. Valiev R.Z. Nanostructuring of metals by severe plastic deformation for advanced properties. Nature Materials, 3, 2004, 511–516.
- 12. Valiev R.Z., Langdon T.G. Principles of equal-channel angular pressing as a processing tool for grain refinement. Prog. Mater. Sci., 51, 2006, 881–981.
- 13. Lukáč I. Heat treating of Aluminium and its alloys. In: Aluminium materials and technologies from A to Z, 2007, 359–380.
- 14. STN EN ISO 6892-1 420310:2010. Metallic materials – Tensile testing. Method of test at room temperature.
Typ dokumentu
Bibliografia
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bwmeta1.element.baztech-f9863b50-557a-4e02-8118-212246a261e1