AnT²COK, an analytical model for cyclic oxidation kinetics of hot-work tool steels in transient thermal cycling conditions
| Autor: | F. Medjedoub, Gilles Dour, Damien Texier, Farhad Rezai-Aria, S. Le Roux, Pascal Lamesle, Mehdi Salem |
|---|---|
| Přispěvatelé: | Institut Clément Ader (ICA), Institut Supérieur de l'Aéronautique et de l'Espace (ISAE-SUPAERO)-Institut National des Sciences Appliquées - Toulouse (INSA Toulouse), Institut National des Sciences Appliquées (INSA)-Université de Toulouse (UT)-Institut National des Sciences Appliquées (INSA)-Université de Toulouse (UT)-Université Toulouse III - Paul Sabatier (UT3), Université de Toulouse (UT)-Centre National de la Recherche Scientifique (CNRS)-IMT École nationale supérieure des Mines d'Albi-Carmaux (IMT Mines Albi), Institut Mines-Télécom [Paris] (IMT)-Institut Mines-Télécom [Paris] (IMT), Institut National des Sciences Appliquées - Toulouse (INSA Toulouse), Institut National des Sciences Appliquées (INSA)-Institut National des Sciences Appliquées (INSA)-Centre National de la Recherche Scientifique (CNRS)-Université Toulouse III - Paul Sabatier (UT3), Université Fédérale Toulouse Midi-Pyrénées-Université Fédérale Toulouse Midi-Pyrénées-IMT École nationale supérieure des Mines d'Albi-Carmaux (IMT Mines Albi), Institut Mines-Télécom [Paris] (IMT)-Institut Mines-Télécom [Paris] (IMT)-Institut Supérieur de l'Aéronautique et de l'Espace (ISAE-SUPAERO) |
| Jazyk: | angličtina |
| Rok vydání: | 2019 |
| Předmět: |
Materials science
High temperature corrosion 020209 energy General Chemical Engineering Tool steel Oxide Thermodynamics 02 engineering and technology Temperature cycling engineering.material 7. Clean energy Isothermal process chemistry.chemical_compound [SPI]Engineering Sciences [physics] 0202 electrical engineering electronic engineering information engineering General Materials Science High-temperature corrosion Thermal cycling Modeling Hot work Forming processes General Chemistry Cyclic oxidation 021001 nanoscience & nanotechnology Dwell time chemistry SEM engineering 0210 nano-technology |
| Zdroj: | Corrosion Science Corrosion Science, 2019, 147, pp.169-181. ⟨10.1016/j.corsci.2018.11.009⟩ Corrosion Science, Elsevier, 2019, 147, pp.169-181. ⟨10.1016/j.corsci.2018.11.009⟩ BASE-Bielefeld Academic Search Engine |
| ISSN: | 0010-938X |
| Popis: | International audience; In hot forming processes, steel tools are subjected to rapid temperature transients and cyclic oxidation. AnT²COK, a new analytical model based on diffusion-controlled oxide growth in cyclic conditions, is proposed to predict the parabolic oxidation kinetics in spallation-free conditions. Compared to cyclic oxidation models of the literature (COREST, COSP, DICOSM, etc.), it is applicable for any shape of thermal cycle, fully transient or with dwell time. The model is applied to thermal fatigue tests on X38CrMoV5 steel, for Tmax between 500 and 685 °C. Its validity is demonstrated above 550 °C, using frequency factor and activation energy calculated from isothermal tests. |
| Databáze: | OpenAIRE |
| Externí odkaz: |
|
Full Text from ScienceDirect