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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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Świątnicki, Wiesław
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Topics
Publications (5/5 displayed)
- 2021The Microstructure and Properties of Carbon Thin Films on Nanobainitic Steelcitations
- 2020CORROSION RESISTANCE OF THE NANOSTRUCTURED X37CrMoV5-1 STEELcitations
- 2017The comparative study of the microstructure and phase composition of nanoausferritic ductile iron alloy using SEM, TEM, magnetometer and X-ray diffraction methodscitations
- 2016The microstructure and phase composition of 35CrSiMn5-5-4 steel after quenching and partitioning heat treatmentcitations
- 2013The comparative study of phase composition of steels using X-ray diffraction and mössbauer spectroscopy methods
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article
The microstructure and phase composition of 35CrSiMn5-5-4 steel after quenching and partitioning heat treatment
Abstract
The aim of the study was to characterise the microstructure of 35CrSiMn5-5-4 steel which was subjected to a new heat treatment technology of quenching and partitioning (Q&P). The parameters of the treatment were chosen on the basis of computer simulations and dilatometric studies of phase transformations occurring in steel. The transmission electron microscopy (TEM) observations of steel microstructure after the Q&P treatment revealed the presence of martensite as well as significant amount of retained austenite in form of layers between the martensite laths. The rod-like carbides in the ferritic areas were also observed, which indicates the presence of lower bainite in steel. It was found that the retained austenite content measured by means of TEM was about 28% for partitioning at 400°C and 25% for partitioning at 260°C. These results are in good agreement with the phase composition calculated theoretically as well as those determined experimentally by use of dilatometric tests.