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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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Schindler, Ivo
Technical University of Ostrava
in Cooperation with on an Cooperation-Score of 37%
Topics
Publications (15/15 displayed)
- 2024Tailoring the microstructure, mechanical properties, and electrical conductivity of Cu–0.7Mg alloy via Ca addition, heat treatment, and severe plastic deformationcitations
- 2022INFLUENCE OF TEMPERATURE AND STRUCTURE ON THE FORMABILITY OF STEELS FOR THE PRODUCTION OF SEAMLESS TUBES
- 2022FORMABILITY OF INVAR 36 ALLOY AT HIGH TEMPERATURES
- 2018Transformation diagrams of selected steel grades with consideration of deformation effect
- 2018The influence of a cooling rate on the evolution of microstructure and hardness of the steel 27MnCrB5citations
- 2013Comparison of methods for physical determination of phase transformations temperatures
- 2013Activation energy in hot forming and recrystallization models for magnesium alloy AZ31citations
- 2013Influence of calculation method on value of activation energy in hot formingcitations
- 2013Characteristics of plasticity and microstructure of hot forming magnesium alloys Mg-Al-Zn typecitations
- 2012Structural and mechanical properties of laboratory rolled steels high-alloyed with manganese and aluminiumcitations
- 2012Influence of rolling conditions and aging process on mechanical properties of high manganese steelscitations
- 2011Complex flow stress model for a magnesium alloy AZ31 at hot formingcitations
- 2011Resistance of Trip 800 Steels in a Sour Environment Containing H(2)S
- 2008Hot-cracking of high-alloyed steels evaluated by wedge rolling testcitations
- 2007Microstructure and mechanical properties of cold rolled, annealed HSLA strip steels
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article
INFLUENCE OF TEMPERATURE AND STRUCTURE ON THE FORMABILITY OF STEELS FOR THE PRODUCTION OF SEAMLESS TUBES
Abstract
<jats:p>The aim of the paper was to determine the temperature dependence of formability of investigated steels by uniaxial tensile fracture tests under thermomechanical conditions corresponding to punching (1340–1395 °C) and pilger rolling (800–1050 °C) in The Tube Mill TŘINECKÉ ŽELEZÁRNY a.s. The deformation behavior of N1 and 42CrMo4 steels was investigated. In both cases, the effect of the structure on formability was taken into account. In the case of high-temperature examination corresponding to the punching process, the tests were performed on samples taken from the area of the column crystals (i.e. closer to the outer surface of the continuously cast semi-finished product) and also from the area below the column crystals closer to the center. In the case of low-temperature tests corresponding to pilger rolling, the strength-plastic properties were evaluated from an area closer to the inner or closer to the outer surface of the roll after punching. Uniaxial tensile tests to the fracture were performed on the HDS-20 simulator.</jats:p>