DOI: 10.1179/174328406x79289. Extent of back diffusion during solidification of experimental nickel based single crystal superalloy

Extent of back diffusion during solidification of experimental nickel based single crystal superalloy

10.1179/174328406x79289

Crossref journal-article

SAGE Publications

Materials Science and Technology (179)

Abstract

The microsegregation inherited from the directional solidification and quenching (DSQ) of an experimental third generation single crystal superalloy is characterised using electron probe microanalysis (EPMA). A statistical treatment of the data is used to estimate the composition of the solid in the mushy zone. Comparison of the experimental data with the predictions from a numerical model indicates that the results cannot be rationalised without acknowledging that back diffusion is occurring; it is demonstrated that the magnitudes of the diffusion coefficients which need to be invoked are consistent with recent experimental measurements of the coefficients deduced from diffusion couples.

Bibliography

Thirumalai, A., Akhtar, A., & Reed, R. C. (2006). Extent of back diffusion during solidification of experimental nickel based single crystal superalloy. Materials Science and Technology, 22(1), 1â13.

Authors 3

A. Thirumalai (first)
A. Akhtar (additional)
R. C. Reed (additional)

References 32 Referenced 127

{'volume-title': 'Proc. 10th Int. Conf. on ‘Superalloys’', 'year': '2004', 'author': 'Green K. A.', 'key': 'bibr1-174328406X79289'} / Proc. 10th Int. Conf. on ‘Superalloys’ by Green K. A. (2004)
Beeley P. R., and Smart R. F. (eds.): ‘Investment casting’; 1995, London, The Institute of Materials.
10.1007/s11661-000-0199-7
10.1007/s11663-000-0117-9
{'key': 'bibr5-174328406X79289', 'first-page': '120', 'volume': '9', 'author': 'Gulliver G. H.', 'year': '1913', 'journal-title': 'J. Inst. Met'} / J. Inst. Met by Gulliver G. H. (1913)
{'key': 'bibr6-174328406X79289', 'first-page': '70', 'volume': '34', 'author': 'Scheil E. Z.', 'year': '1942', 'journal-title': 'Metallurgy'} / Metallurgy by Scheil E. Z. (1942)
{'key': 'bibr7-174328406X79289', 'first-page': '747', 'volume': '194', 'author': 'Pfann W. G.', 'year': '1952', 'journal-title': 'Trans. AIME'} / Trans. AIME by Pfann W. G. (1952)
{'key': 'bibr8-174328406X79289', 'first-page': '615', 'volume': '236', 'author': 'Brody H. D.', 'year': '1966', 'journal-title': 'Trans. AIME'} / Trans. AIME by Brody H. D. (1966)
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‘Annual book of ASTM standards’, Vol. 14.02, 375; 2001, Philadelphia, PA, ASTM.
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10.1016/S1359-6454(03)00105-8

Dates

Type	When
Created	19 years, 7 months ago (Jan. 7, 2006, 7:24 p.m.)
Deposited	5 months, 1 week ago (March 11, 2025, 12:04 a.m.)
Indexed	5 months, 1 week ago (March 12, 2025, 12:12 a.m.)
Issued	19 years, 7 months ago (Jan. 1, 2006)
Published	19 years, 7 months ago (Jan. 1, 2006)
Published Online	19 years, 7 months ago (Jan. 1, 2006)
Published Print	19 years, 7 months ago (Jan. 1, 2006)

Funders 0

None

BibTeX

@article{Thirumalai_2006, title={Extent of back diffusion during solidification of experimental nickel based single crystal superalloy}, volume={22}, ISSN={1743-2847}, url={http://dx.doi.org/10.1179/174328406x79289}, DOI={10.1179/174328406x79289}, number={1}, journal={Materials Science and Technology}, publisher={SAGE Publications}, author={Thirumalai, A. and Akhtar, A. and Reed, R. C.}, year={2006}, month=jan, pages={1–13} }

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