| People | Locations | Statistics |
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| Ferrari, A. |
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| Schimpf, Christian |
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| Dunser, M. |
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| Thomas, Eric |
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| Gecse, Zoltan |
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| Tsrunchev, Peter |
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| Della Ricca, Giuseppe |
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| Cios, Grzegorz |
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| Hohlmann, Marcus |
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| Dudarev, A. |
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| Mascagna, V. |
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| Santimaria, Marco |
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| Poudyal, Nabin |
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| Piozzi, Antonella |
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| Mørtsell, Eva Anne |
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| Jin, S. |
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| Noel, Cédric |
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| Fino, Paolo |
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| Mailley, Pascal |
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| Meyer, Ernst |
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| Zhang, Qi |
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| Pfattner, Raphael | Brussels |
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| Kooi, Bart J. |
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| Babuji, Adara |
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| Pauporte, Thierry |
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Brokmeier, H. G.
in Cooperation with on an Cooperation-Score of 37%
Topics
Publications (20/20 displayed)
- 2021Competition of mechanisms contributing to the texture formation in metastable austenitic steel under compressive loadcitations
- 2019Influence of Nd or Ca addition on the dislocation activity and texture changes of Mg–Zn alloy sheets under uniaxial tensile loadingcitations
- 2019Corrigendum to “Influence of Nd or Ca addition on the dislocation activity and texture changes of Mg–Zn alloy sheets under uniaxial tensile loading” [Mater. Sci. Eng.: A 761 (22 July 2019) 138053](S0921509319308391)(10.1016/j.msea.2019.138053)
- 2018Deformation and recrystallization mechanisms and their influence on the microstructure development of rare earth containing magnesium sheetscitations
- 2015Dislocation density evolution of AA 7020-T6 investigated by in-situ synchrotron diffraction under tensile loadcitations
- 2015The effect of magnetic annealing on crystallographic texture and magnetic properties of Fe-2.6% Sicitations
- 2014Microstructures and mechanical properties of pure Mg processed by rotary swagingcitations
- 2013Bulk and local textures of pure magnesium processed by rotary swagingcitations
- 2012Processing Routes Toward Textured Polycrystals in Ferromagnetic Shape Memory Alloyscitations
- 2011Effect of martensitic phase transformation on the ductility of polycrystalline YCucitations
- 2008Cast and rolling textures of NiMnGa alloys
- 2006Deformation and texture evolution in AZ31 magnesium alloy during uniaxial loadingcitations
- 2006Low temperature hydrostatic extrusion of magnesium alloys
- 2005Microstructure and texture development during hydrostatic extrusion of magnesium alloy AZ31citations
- 2005The texture evolutions of Mg alloy, AZ31, under uni-axial loading
- 2005Synchrotron radiation investigation of twinning in extruded magnesium alloy AZ31
- 2004In situ measurements of texture variations during a tensile loading of Mg-alloy AM20 using synchrotron X-ray radiationcitations
- 2004Neutron diffraction study on the texture development during extrusion of magnesium alloy AZ31citations
- 2002Relationship between microstructure and mechanical properties in magnesium wrought alloy AZ31
- 2001Plastic anisotropy of textured ODS nickel-base alloy PM 1000citations
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article
Dislocation density evolution of AA 7020-T6 investigated by in-situ synchrotron diffraction under tensile load
Abstract
The dislocation density evolution along the loading axis of a textured AA 7020-T6 aluminum alloy during uniaxial tension was investigated by in-situ synchrotron diffraction. The highly parallel synchrotron beam at the High Energy Materials Science beamline P07 in PETRA III, DESY, offers excellent conditions to separate different influences for line broadening from which micro-strains are obtained using the modified Williamson–Hall method which is also for defect density investigations. During tensile loading the dislocation density evolution was documented from the as-received material (initial micro-strain state) to the relaxation of the strains during elastic deformation. After yield, the increasing rate of dislocation density growth was relatively fast till half-way between yield and UTS. After that, the rate started to decrease and the dislocation density fluctuated as the elongation increased due to the generation and annihilation of dislocations. When dislocation generation is dominant, the correlation between the flow stress and dislocation density satisfies the Taylor equation. Besides, a method to correct the thickness effect on peak broadening is developed in the present study.