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| Naji, M. |
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| Motta, Antonella |
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| Aletan, Dirar |
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| Mohamed, Tarek |
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| Ertürk, Emre |
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| Taccardi, Nicola |
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| Kononenko, Denys |
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| Petrov, R. H. | Madrid |
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| Alshaaer, Mazen | Brussels |
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| Bih, L. |
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| Casati, R. |
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| Muller, Hermance |
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| Kočí, Jan | Prague |
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| Šuljagić, Marija |
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| Kalteremidou, Kalliopi-Artemi | Brussels |
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| Azam, Siraj |
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| Ospanova, Alyiya |
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| Blanpain, Bart |
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| Ali, M. A. |
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| Popa, V. |
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| Rančić, M. |
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| Ollier, Nadège |
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| Azevedo, Nuno Monteiro |
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| Landes, Michael |
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| Rignanese, Gian-Marco |
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Krawczyńska, Agnieszka
in Cooperation with on an Cooperation-Score of 37%
Topics
Publications (15/15 displayed)
- 2020In vitro evaluation of degradable electrospun polylactic acid/bioactive calcium phosphate ormoglass scaffoldscitations
- 20203D DIC-assisted residual stress measurement in 316 LVM steel processed by HE and HPTcitations
- 2019New approach to amorphization of alloys with low glass forming ability via selective laser meltingcitations
- 2019Mechanical properties and corrosion resistance of hydrostatically extruded 316 LVM stainless steel after low-temperature plasma nitridingcitations
- 2019Analysis of the microstructure of an AZ31/AA1050/AA2519 laminate produced using the explosive-welding methodcitations
- 2018Microstructural characterization and residual stress distribution in a nanostructured austenitic stainless steelcitations
- 2018Formation of the Nitrided Layers on an Austenitic Stainless Steel with Different Grain Structurescitations
- 2017New synthesis route to decorate Li 4 Ti 5 O 12 grains with GO flakescitations
- 2017Mechanical properties and corrosion resistance of ultrafine grained austenitic stainless steel processed by hydrostatic extrusioncitations
- 2017Microstructure and mechanical properties investigation of CP titanium processed by selective laser melting (SLM)citations
- 2017Analysis of microstructural aspects of a hip stem failure made of the REX 734 stainless steelcitations
- 2017The effect of current types on the microstructure and corrosion properties of Ni/NANOAl2O3 composite coatings
- 2016STEM study of Li4Ti5O12 anode material modified with Ag nanoparticlescitations
- 2014Strength of nanostructured austenitic steel 316LN at cryogenic temperaturescitations
- 2013Strain relaxation and grain growth in 316LVM stainless steel annealed under pressure
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article
Mechanical properties and corrosion resistance of ultrafine grained austenitic stainless steel processed by hydrostatic extrusion
Abstract
Thematerial studied is a commercially available 316LVMstainless steel with an initial grain size of 30 μm. To refinethe microstructure down to the nanoscale, hot (at 1000 °C) and room temperature hydrostatic extrusion were applied with a total true strain of 1.4. An annealed sample with coarse grains of 35 μm in diameter was used as a reference sample. The results indicate that after hot hydrostatic extrusion, themicrostructure consisted mainly of cells with tangled dislocation walls, while after room temperature hydrostatic extrusion, twins of variouswidth and shear bands could be distinguished. Hydrostatic extrusion is also an efficientway to tailor the corrosion resistance and mechanical properties of 316LVM stainless steel. Performed at room temperature,hydrostatic extrusion resulted in an ultra-high-strengthmaterial with limited but sufficient ductility. Performed at high temperature, hydrostatic extrusion resulted in a material with a very good combination of strength (approximately 900MPa) and ductility (elongation to failure higher than 20%). Both hydrostatically extruded steels maintained good passivation behavior in 0.1MH2SO4. In the presence of chloride ions, susceptibility to localizedattack increased for the steel extruded at room temperature, but did not change for the hot-extruded steel.