Numerical determination of secondary dendrite arm spacing for IN738LC investment castings

Franke M, Hilbinger RM, Konrad C, Glatzel U, Singer R (2011)

Publication Language: English

Publication Status: Published

Publication Type: Journal article, Original article

Publication year: 2011

Journal

Metallurgical and Materials Transactions A-Physical Metallurgy and Materials Science ASM International

Book Volume: 42

Pages Range: 1847-1853

Journal Issue: 7

DOI: 10.1007/s11661-010-0585-8

Abstract

A numerical model was developed to estimate the solidification conditions and the secondary dendrite arm spacing of equiaxed solidified IN738LC investment castings. The model, composed of geometric data, thermophysical properties, and boundary conditions, was verified by a comparison of calculated and measured process temperatures obtained from casting experiments. The computation of the secondary dendrite arm spacing was carried out from temperature gradient G, solidification rate v, and an alloy-specific parameter M, determined by means of an inverse approach. The calculated secondary dendrite arm spacing was found to be in very good agreement with metallographic measurements. © 2010 The Minerals, Metals & Materials Society and ASM International.

Authors with CRIS profile

Martin Franke Lehrstuhl für Werkstoffwissenschaften (Werkstoffkunde und Technologie der Metalle) (WTM) Rolf Michael Hilbinger Lehrstuhl für Werkstoffwissenschaften (Werkstoffkunde und Technologie der Metalle) (WTM) Robert Singer Lehrstuhl für Werkstoffwissenschaften (Werkstoffkunde und Technologie der Metalle) (WTM)

Related research project(s)

Activity Single crystalline solidification with enhanced microstructure Jan. 1, 1990 - Jan. 1, 1993

Involved external institutions

Universität Bayreuth DE Germany (DE)

How to cite

APA:

Franke, M., Hilbinger, R.M., Konrad, C., Glatzel, U., & Singer, R. (2011). Numerical determination of secondary dendrite arm spacing for IN738LC investment castings. Metallurgical and Materials Transactions A-Physical Metallurgy and Materials Science, 42(7), 1847-1853. https://doi.org/10.1007/s11661-010-0585-8

MLA:

Franke, Martin, et al. "Numerical determination of secondary dendrite arm spacing for IN738LC investment castings." Metallurgical and Materials Transactions A-Physical Metallurgy and Materials Science 42.7 (2011): 1847-1853.

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