| People | Locations | Statistics |
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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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Villa, Matteo
Technical University of Denmark
in Cooperation with on an Cooperation-Score of 37%
Topics
Publications (52/52 displayed)
- 2024Efficient ab initio stacking fault energy mapping for dilute interstitial alloyscitations
- 2023Reconciling experimental and theoretical stacking fault energies in face-centered cubic materials with the experimental twinning stresscitations
- 2023New White Etch Cracking resistant martensitic stainless steel for bearing applications by high temperature solution nitridingcitations
- 2023Process for obtaining a fine-grained martensitic structure component
- 2023Phase Stability and Deformation Modes in Functionally Graded Metastable Austenitic Stainless Steel; A Novel Approach to Evaluate the Role of Nitrogencitations
- 2023Aging 17-4 PH martensitic stainless steel prior to hardeningcitations
- 2023Ab initio study of the effect of interstitial alloying on the intrinsic stacking fault energy of paramagnetic γ-Fe and austenitic stainless steelcitations
- 2022Rapid Screening of the Mechanical Properties of 13 wt%Cr Steels with Uncharted Combinations of C and N Contentscitations
- 2021Targeted heat treatment of additively manufactured Ti-6Al-4V for controlled formation of Bi-lamellar microstructurescitations
- 2021Thermochemical surface hardening of Ti-6Al-4V: On the role of temperature and treatment mediacitations
- 2021Thermochemical surface hardening and self-repair of bulk metallic glass
- 2021Experimental validation of negative stacking fault energies in metastable face-centered cubic materialscitations
- 2020Synchrotron X-ray diffraction investigation of the effect of cryogenic treatment on the microstructure of Ti-6Al-4Vcitations
- 2020High Temperature Solution Nitriding of Stainless Steels; Current Status and Future Trendscitations
- 2020Strain, stress and stress relaxation in oxidized ZrCuAl-based bulk metallic glasscitations
- 2020On the Role of Isothermal Martensite Formation during Cryogenic Treatment of Steelscitations
- 2020Cryogenic treatment of an AISI D2 steel: The role of isothermal martensite formation and “martensite conditioning”citations
- 2019High Temperature Solution Nitriding of Stainless Steels; Current Status and Future Trends
- 2019New Developments in High Temperature Solution Nitriding of Stainless Steels
- 2019High and Low Temperature Surface Hardening of Martensitic Stainless Steels
- 2019Residual stress determination in oxidized bulk metallic glass using X-ray diffraction and FIB/DIC methods
- 2019On the Influence of Deep Cryogenic Treatment on Tempering Transformations in AISI D2 Steels
- 2019Surface hardening by gaseous oxidizing of (Zr55Cu30Al10Ni5)98Er2 bulk-metallic glasscitations
- 2018In-situ analysis of redistribution of carbon and nitrogen during tempering of low interstitial martensitic stainless steelcitations
- 2018Gaseous surface hardening of martensitic stainless steels
- 2018Martensite Formation from Reverted Austenite at Sub-zero Celsius Temperaturecitations
- 2018In Situ Investigation of the Evolution of Lattice Strain and Stresses in Austenite and Martensite During Quenching and Tempering of Steelcitations
- 2018Characterization of oxide layers developed on ZrCuAl-based bulk metallic glasses during gaseous thermochemical treatment
- 2018Surface hardening of Zr-Cu based bulk metallic glasses using gaseous thermochemical treatment
- 2018Activation energy of time-dependent martensite formation in steelcitations
- 2018High temperature gas nitriding of Cr containing martensitic steels
- 2017Thermally activated martensite formation in ferrous alloyscitations
- 2017Kinetics analysis of two-stage austenitization in supermartensitic stainless steelcitations
- 2017Complementary Methods for the Characterization of Corrosion Products on a Plant-Exposed Superheater Tubecitations
- 2017Cryogenic treatment of steel: from concept to metallurgical understanding
- 2017Martensite formation in Fe-C alloys at cryogenic temperaturescitations
- 2016Thermally activated formation of martensite in Fe-C alloys and Fe-17%Cr-C stainless steels during heating from boiling nitrogen temperature
- 2016Sub-Zero Celsius treatment: a promising option for future martensitic stainless steels
- 2016Martensitbildung in Fe-basierten Legierungen während der Erwärmung von Stickstoff-Siedetemperaturcitations
- 2016In Situ Techniques for the Investigation of the Kinetics of Austenitization of Supermartensitic Stainless Steelcitations
- 2015Anomalous kinetics of lath martensite formation in stainless steelcitations
- 2015The sub-zero Celsius treatment of precipitation hardenable semi-austenitic stainless steel
- 2015Thermally activated growth of lath martensite in Fe–Cr–Ni–Al stainless steelcitations
- 2015Investigation of Martensite Formation in Fe Based Alloys During Heating From Boiling Nitrogen Temperature
- 2014Kinetics of anomalous multi-step formation of lath martensite in steelcitations
- 2014Evolution of compressive strains in retained austenite during sub-zero Celsius martensite formation and temperingcitations
- 2014Isothermal Martensite Formation
- 2013In-situ investigation of martensite formation in AISI 52100 bearing steel at sub-zero Celsius temperature
- 2013Enhanced carbide precipitation during tempering of sub-zero Celsius treated AISI 52100 bearing steel
- 2013In situ investigation of the martensitic transformation in Fe–12 wt.%Ni–0.6 wt.%C steel at subzero temperaturescitations
- 2012Martensitic transformation and stress partitioning in a high-carbon steelcitations
- 2011Sub-zero austenite to martensite transformation in a Fe-Ni-0.6wt.%C alloy
Places of action
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article
Strain, stress and stress relaxation in oxidized ZrCuAl-based bulk metallic glass
Abstract
Surface engineering of Zr <sup>51.3 </sup>Al <sup>8.5</sup> Cu <sup>31.3 </sup>Ni <sup>4</sup> Ti<sup> 4.9</sup> bulk metallic glass (BMG) by gaseous oxidizing below the glass-transition temperature is investigated as a means to introduce compressive residual stress in the surface region. The ZrCuAl-based BMG was exposed to an extremely low oxygen partial pressure of 10<sup>−41</sup> bar at 600 K for 60 h. The oxidizing treatment led to the formation of an internal oxidation zone, consisting of finely dispersed nano-crystalline cubic ZrO 2 (c-ZrO<sub>2</sub> ), metallic regions inclined with the surface and Cu-hillocks at the surface. The stresses introduced by the volume expansion associated with oxidation were evaluated from i) the lattice strains within c-ZrO<sub>2</sub> , as determined with an X-ray diffraction (XRD) based method, and ii) strain-relaxation as a response to annular focused ion beam (FIB) milling, as monitored with digital image correlation (DIC). XRD analysis yielded -1.5 GPa (compressive stress) in the nano-crystalline c-ZrO<sub>2</sub> , while the strain relaxation monitored with FIB-DIC analysis indicatedcompressive residual stresses of −1.4 GPa in the internal oxidation zone. The strains and stresses determined with the independent measurement methods are discussed. The quantitative macro-strains are discussed in relation to the microstructural features and stress relaxation mechanisms during evolution of the internal oxidation zone.