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Metallurgical and Materials Transactions B
Published in: Metallurgical and Materials Transactions B 2/2009

01-04-2009

Homogenizing a Nickel-Based Superalloy: Thermodynamic and Kinetic Simulation and Experimental Results

Authors: Paul D. Jablonski, Christopher J. Cowen

Published in: Metallurgical and Materials Transactions B | Issue 2/2009

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Abstract

If the chemical inhomogeneity profile is known a priori, kinetic modeling software such as diffusion-controlled transformations (DICTRA) can be used to model the homogenization kinetics of an alloy. In this study, the Scheil module within the Thermo-Calc software was used to predict the as-cast segregation present within the Ni-based superalloy Nimonic 105. The segregation profiles were read into DICTRA to refine the homogenization heat treatment of this alloy. The thermodynamic and kinetic modeling of the computationally predicted heat treatment and microstructure, and subsequent experimental verification on a real casting of Nimonic 105, are presented.
previous article A Model for Gas Microporosity in Aluminum and Magnesium Alloys
next article Influence of the Processing Route in the Microstructure and Mechanical Properties of NiAl/TiB2 Composites Produced by Combustion Synthesis

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Metadata
Title
Homogenizing a Nickel-Based Superalloy: Thermodynamic and Kinetic Simulation and Experimental Results
Authors
Paul D. Jablonski
Christopher J. Cowen
Publication date
01-04-2009
Publisher
Springer US
Published in
Metallurgical and Materials Transactions B / Issue 2/2009
Print ISSN: 1073-5615
Electronic ISSN: 1543-1916
DOI
https://doi.org/10.1007/s11663-009-9227-1

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