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Purpose: All results obtained in the present study allowed to analyse the changes in the microstructure and texture of the commercial 6060 aluminium alloy, after deformation process by severe plastic deformation. There were compare two deformation degree samples received by cumulative hydrostatic extrusion. Design/methodology/approach: The samples of the 6060 alloy were subjected to a onepass and three-passes extrusion process and next the age hardening. The microstructure changes were investigated by using transmission and scanning electron microscopy. To study the texture evolution the X-ray diffraction were made. Findings: The microscopic observations results presented the refinement of microstructure as a result of deformation process. The evolution of fibrous character of texture was observed. There were noted the disappearance of fibrous component <100> during subsequent deformation processes and generation the fibrous component <111> after high deformation degree. In addition, for each state, the presence of cubic texture component was recorded. Research limitations/implications: For the future research are planned to analyse changes in mechanical properties after hydrostatic extrusion combinate with age hardening of investigated materials. Originality/value: The paper focuses on the investigation of microstructure and texture evolution after modern method of plastic deformation.
Wydawca
Rocznik
Tom
Strony
80--85
Opis fizyczny
Bibliogr. 15 poz.
Twórcy
autor
- Faculty of Materials Science and Engineering, Warsaw University of Technology, ul. Woloska 141, 02-507 Warszawa, Poland
autor
- Faculty of Materials Science and Engineering, Warsaw University of Technology, ul. Woloska 141, 02-507 Warszawa, Poland
autor
- Institute of High Pressure Physics of the Polish Academy of Sciences UNIPRESS, ul. Sokołowska 29, 01-142 Warszawa, Poland
autor
- Faculty of Materials Science and Engineering, Warsaw University of Technology, ul. Woloska 141, 02-507 Warszawa, Poland
Bibliografia
- [1] I.J. Polmear, Light alloys: from traditional alloys to nano crystals, 4th Edition, Butterworth-Heinemann, Burlington, 2006.
- [2] M. Karoń, A. Kopyść, M. Adamiak, J. Konieczny, Microstructure and mechanical properties of the annealed 6060 aluminium alloy processed by ECAP method, Archives of Materials Science and Engineering 80/1 (2016) 31-36.
- [3] M. Ilieva, R. Radev, Effect of severe plastic deformation by ECAP on corrosion behavior of aluminium alloy AA 7075, Archives of Materials Science and Engineering 81/2 (2016) 55-61.
- [4] P. Snopiński, T. Tański, O. Hilšer, A. Lubos, Effect of ECAP process on structure and hardness of AlMg3 aluminium alloy, Archives of Materials Science and Engineering 84/2 (2017) 79-85.
- [5] J.J. Lewandowski, A. Awadallah, Hydrostatic Extrusion of Metals and Alloys, ASM Handbook, Vol. 14A: Metalworking: Bulk Forming, 2005, 440-447.
- [6] M. Lewandowska, K.J. Kurzydłowski, Recent development in grain refinement by hydrostatic extrusion, Journal of Material Science 43 (2008) 7299-7306.
- [7] T. Wejrzanowski, W.L. Spychalski, K. Rozniatowski, K.J. Kurzydłowski, Image based analysis of complex microstructures of engineering materials, International Journal of Applied Mathematics and Computer Science 18 (2008) 33-41.
- [8] L. Sweet, S.M. Zhu, S.X. Gao, J.A. Taylor, M.A. Easton, The effect of iron content on the iron-containing intermetallic phases in a cast 6060 aluminum alloy, Metallurgical and Materials Transactions A 42 (2011) 1737-1749.
- [9] P. Widlicki, Influence of hydrostatic extrusion on mechanical properties and microstructure in aluminum alloys, Doctoral thesis, Warsaw University of Technology, 2009.
- [10] S.J. Andersen, H.W. Zandbergen, J. Jansen, C. Traeholt, U. Tundal, O. Reiso, The crystal structure of the β’’ phase in Al-Mg-Si alloys, Acta Materialalia 46 (1998) 3283-3298
- [11] D. Maisonnette, M. Suery, D. Nelias, P. Chaudet, T. Epicier, Effects of heat treatments on the microstructure and mechanical properties of a 6061 aluminium alloy, Materials Science and Engineering A 528 (2011) 2718-2724.
- [12] W. Chromiński, S. Wenner, C.D. Marioara, R. Holmestad, M. Lewandowska, Strengthening mechanisms in ultrafine grained Al-Mg-Si alloy processed by hydrostatic extrusion - influence of ageing temperature, Materials Science and Engineering A 669 (2016) 447-458.
- [13] L. Styczynski, W. Pachla, S. Wojciechowski, Thermal-softening processes in polycrystalline aluminium during hydrostatic extrusion, Metal Science 16 (1982) 525-528.
- [14] A. Bois-Brochu, C. Blais, F.A. Goma, D. Larouche, J. Boselli, M. Brochu, Characterization of Al-Li 2099 extrusions and the influence of fiber texture on the anisotropy of static mechanical properties, Materials Science and Engineering A 597 (2014) 62-69.
- [15] J. Hirisch, Texture and anisotropy in industrial applications of aluminium alloys, Archives of Metallurgy and Materials 50 (2005) 21-34.
Typ dokumentu
Bibliografia
Identyfikator YADDA
bwmeta1.element.baztech-8279cf01-1053-4b6f-8485-c66cc8186b4b