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Characterization of strain-induced precipitation in Inconel 718 superalloy

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10.1007/s11665-016-2154-9
 
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hdl:2117/91312

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Calvo Muñoz, JessicaMés informacióMés informacióMés informació
Penalva, Mariluz
Cabrera Marrero, José M.Més informacióMés informacióMés informació
Document typeArticle
Defense date2016-06-15
Rights accessOpen Access
Attribution-NonCommercial-NoDerivs 3.0 Spain
This work is protected by the corresponding intellectual and industrial property rights. Except where otherwise noted, its contents are licensed under a Creative Commons license : Attribution-NonCommercial-NoDerivs 3.0 Spain
Abstract
© 2016 ASM International Inconel 718 presents excellent mechanical properties at high temperatures, as well as good corrosion resistance and weldability. These properties, oriented to satisfy the design requirements of gas turbine components, depend on microstructural features such as grain size and precipitation. In this work, precipitation-temperature-time diagrams have been derived based on a stress relaxation technique and the characterization of precipitates by scanning electron microscopy. By using this methodology, the effect of strain accumulation during processing on the precipitation kinetics can be determined. The results show that the characteristics of precipitation are significantly modified when plastic deformation is applied, and the kinetics are slightly affected by the amount of total plastic deformation.
CitationCalvo, J., Penalva, M., Cabrera, J. Characterization of strain-induced precipitation in Inconel 718 superalloy. "Journal of materials engineering and performance", 15 Juny 2016, vol. 25, núm. 8, p. 3409-3417. 
URIhttp://hdl.handle.net/2117/91312
DOI10.1007/s11665-016-2154-9
ISSN1059-9495
Publisher versionhttp://link.springer.com/article/10.1007%2Fs11665-016-2154-9
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  • Departament de Ciència dels Materials i Enginyeria Metal·lúrgica - Articles de revista [960]
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