| 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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Ren, Yang
in Cooperation with on an Cooperation-Score of 37%
Topics
Publications (13/13 displayed)
- 2023Effect of Melt-Spinning Parameters on the Structure and Properties of Ni55.5Mn18.8Ga24Si1.7 Heusler Alloy Ribbonscitations
- 2023Evaluation of phase and domain switching in Sn-doped BCZT piezoceramics with coexisting ferroelectric phasescitations
- 2023Evaluation of phase and domain switching in Sn-doped BCZT piezoceramics with coexisting ferroelectric phases
- 2021Investigating the role of GeO<sub>2</sub> in enhancing the thermal stability and proton mobility of proton-conducting phosphate glassescitations
- 2021The In Situ Observation of Phase Transformations During Intercritical Annealing of a Medium Manganese Advanced High Strength Steel by High Energy X-Ray Diffractioncitations
- 2018Polarization Mechanisms in P(VDF-TrFE) Ferroelectric Thin Filmscitations
- 2016Pd-In intermetallic alloy nanoparticlescitations
- 2016Effects of coating spherical iron oxide nanoparticlescitations
- 2016Shear-Coupled Grain Growth and Texture Development in a Nanocrystalline Ni-Fe Alloy during Cold Rollingcitations
- 2008Plastic behavior of a nickel-based alloy under monotonic-tension and low-cycle-fatigue loadingcitations
- 2008Effect of Nanoscale Confinement on the β-α Phase Transition in Ag2Secitations
- 2007Experimental evidence for an intermediate phase in the multiferroic YMnO3citations
- 2006Experimental evidence for an intermediate phase in the multiferroic YMnO3citations
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article
The In Situ Observation of Phase Transformations During Intercritical Annealing of a Medium Manganese Advanced High Strength Steel by High Energy X-Ray Diffraction
Abstract
<jats:p>Microstructural changes during thermal processing of a medium manganese steel containing (in wt%) 0.19C and 4.39 Mn were evaluated <jats:italic>in situ</jats:italic> with a high energy X-ray diffraction system (HEXRD). Samples with an initial fully martensitic microstructure were heated to intercritical annealing (IA) temperatures of 600 or 650°C, held for 30 min, and cooled to room temperature. Diffraction data were analyzed to determine the variations in austenite and ferrite phase fractions and phase lattice constants throughout the ICA cycles. On heating, the 2 vol. pct of austenite present in the starting microstructure decomposed, and cementite precipitation then occurred. During isothermal holding, the austenite fraction increased, up to 20% for the sample annealed at 650°C. The measured austenite fractions were less than those calculated by Thermo-Calc for equilibrium conditions, indicating that the 30-min hold time was insufficient to achieve near-equilibrium conditions. Observed changes in lattice parameters during isothermal holding were interpreted to reflect composition changes due to redistribution of the C and Mn between austenite and ferrite. The results are discussed in relation to the potential for controlling austenite stability during ambient temperature deformation.</jats:p>