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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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Dvořák, Karel
Epoka University
in Cooperation with on an Cooperation-Score of 37%
Topics
Publications (16/16 displayed)
- 2024Effect of preparation process on purity of tricalcium aluminate
- 2024Durability of Wood–Cement Composites with Modified Composition by Limestone and Stabilised Spruce Chipscitations
- 2024Early hydration of C<sub>4</sub>AF with silica fume and its role on katoite compositioncitations
- 2024Effect of preparation process on purity of tricalcium aluminate ; Vliv procesu přípravy na čistotu trikalcium aluminátu
- 2023Determining Hot Deformation Behavior and Rheology Laws of Selected Austenitic Stainless Steelscitations
- 2022Application of a Method for Measuring the Grindability of Fine-Grained Materials by High-Speed Milling ; Aplikace metody pro měření brousitelnosti jemnozrnných materiálu vysokorychlostním mletímcitations
- 2022Comparison of separate and co-grinding of the blended cements with the pozzolanic component ; Srovnání samostatného a společného mletí směsných cementů s puzolánovou složkoucitations
- 2021Comparison of mechanical properties of geopolymers from different raw materials with the addition of waste glass ; Porovnání mechanických vlastností geopolymerů z různých surovin s přídavkem odpadního skla
- 2021Determining Johnson-Cook Constitutive Equation for Low-Carbon Steel via Taylor Anvil Test ; Stanovení Johnson-Cookovy konstitutivní rovnice pro nízkouhlíkovou ocel pomocí Taylorovy kovadlinkové zkouškycitations
- 2021Composite Binder Containing Industrial By-Products (FCCCw and PSw) and Nano SiO2citations
- 2020The role of different high energy ball milling conditions of molybdenum powder on the resulting particles size and morphology
- 2020Strength and fracture mechanism of iron reinforced tricalcium phosphate cermet fabricated by spark plasma sintering ; Pevnost a lomové mechanismy železem zpevněhého trikalcium fosfátového cermetu vyrobeného metodou spark plasma sinteringcitations
- 2020Heat treatment induced phase transformations in zirconia and yttriastabilized zirconia monolithic aerogelscitations
- 2020High strength, biodegradable and cytocompatible alpha tricalcium phosphate-iron composites for temporal reduction of bone fractures ; Vysoce pevné, biologicky odbouratelné a cytocompatibilní kompozity alfa trikalcium fosfát-železo pro časovou redukci fraktur kostícitations
- 2020Metal matrix to ceramic matrix transition via feedstock processing of SPS titanium composites alloyed with high silicone contentcitations
- 2017Fracture Mechanism of Interpenetrating Iron-Tricalcium Phosphate Composite ; Lomové mechanismy inpenetrovaného kompozizu železo - trikalcium fosfátcitations
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article
Determining Hot Deformation Behavior and Rheology Laws of Selected Austenitic Stainless Steels
Abstract
Due to their versatile properties, austenitic stainless steels have a wide application potential, including in specific fields, such as the nuclear power industry. ChN35VT steel is a chromium-nickel-tungsten type of steel stabilized by titanium, and it is suitable for parts subjected to considerable mechanical stress at elevated temperatures. However, the available data on its deformation behavior at elevated/high temperatures is scarce. The core of the presented research was thus the experimental characterization of the deformation behavior of the ChN35VT steel under hot conditions via the determination of flow stress curves, and their correlation with microstructure development. The obtained data was further compared with data acquired for 08Ch18N10T steel, which is also known for its applicability in the nuclear power industry. The experimental results were subsequently used to determine the Hensel-Spittel rheology laws for both the steels. The ChN35VT steel exhibited notably higher flow stress values in comparison with the 08Ch18N10T steel. This difference was more significant the lower the temperature and the higher the strain rate. Considering the peak stress values, the lowest difference was similar to 8 MPa (1250 degrees C and 0.01 s(-1)), and the highest was similar to 150 MPa (850 degrees C and 10 s(-1)). These findings also corresponded to the microstructure developments-the higher the deformation temperature, the more negligible the observed differences as regards the grain size and morphology.