Numerical modelling of precipitation of topologically close-packed phases in nickel-base superalloys

Beitrag in einer Fachzeitschrift


Details zur Publikation

Autor(en): Rettig R, Singer R
Zeitschrift: Acta Materialia
Verlag: PERGAMON-ELSEVIER SCIENCE LTD
Jahr der Veröffentlichung: 2011
Band: 59
Heftnummer: 1
Seitenbereich: 317-327
ISSN: 1359-6454
Sprache: Englisch


Abstract


A new mesoscale model was developed to understand the precipitation sequence of topologically close-packed (TCP) phases in single-crystal nickel-base superalloys Nucleation and growth phenomena are described in detail The model allows the multicomponent, multiphase and multiparticle calculation of TCP phase volume fractions and size distributions from supersaturated solid solution to thermodynamic equilibrium It is based on the numerical Kampmann-Wagner method and applies CALPHAD (ThermoCalc) and DICTRA methodology for thermodynamics and diffusion The capabilities of the simulations are demonstrated by the prediction of the size distributions of TCP phases and comparison with experimental data (C) 2010 Acta Materialia Inc Published by Elsevier Ltd All rights reserved



FAU-Autoren / FAU-Herausgeber

Rettig, Ralf Dr.-Ing.
Lehrstuhl für Werkstoffwissenschaften (Werkstoffkunde und Technologie der Metalle)
Singer, Robert Prof. Dr.-Ing.
Lehrstuhl für Werkstoffwissenschaften (Werkstoffkunde und Technologie der Metalle)


Zitierweisen

APA:
Rettig, R., & Singer, R. (2011). Numerical modelling of precipitation of topologically close-packed phases in nickel-base superalloys. Acta Materialia, 59(1), 317-327. https://dx.doi.org/10.1016/j.actamat.2010.09.035

MLA:
Rettig, Ralf, and Robert Singer. "Numerical modelling of precipitation of topologically close-packed phases in nickel-base superalloys." Acta Materialia 59.1 (2011): 317-327.

BibTeX: 

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