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Título: | Importance of austenitization temperature and ausforming on creep strength in 9Cr ferritic/martensitic steel |
Autor: | Vivas, Javier; Capdevila, Carlos CSIC ORCID ; Altstadt, E.; Houska, M.; San-Martín, David CSIC ORCID | Palabras clave: | Creep resistant steels Ausforming Small punch creep tests Creep ductility MX nanoprecipitates |
Fecha de publicación: | 2018 | Editor: | Elsevier | Citación: | Scripta Materialia 153: 14-18 (2018) | Resumen: | Small Punch Creep technique was used as a screening procedure to evaluate the creep properties of different microstructures developed in a thermomechanical simulator. The goal seek was to generate alternative microstructures in a conventional ferritic-martensitic G91 steel grade which boost thermal stability at temperatures as high as 700 °C. The developed microstructures allow studying the effect of the austenitization temperature optimized by thermodynamic calculations and the ausforming on the creep strength and ductility. The improvement in creep strength recorded was attributable to a higher number density of MX precipitates. By contrast, these microstructures showed an important reduction in creep ductility. | Versión del editor: | https://doi.org/10.1016/j.scriptamat.2018.04.038 | URI: | http://hdl.handle.net/10261/172174 | DOI: | 10.1016/j.scriptamat.2018.04.038 | Identificadores: | doi: 10.1016/j.scriptamat.2018.04.038 issn: 1359-6462 |
Aparece en las colecciones: | (CENIM) Artículos |
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accesoRestringido.pdf | 15,38 kB | Adobe PDF | Visualizar/Abrir |
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