Tailoring the microstructure and mechanical properties of Ti-Al alloy using a novel electromagnetic stirring method

K. Biswas; R. Hermann; J. Das; J. Priede; G. Gerbeth; J. Acker

doi:10.1016/j.scriptamat.2006.08.028

Tailoring the microstructure and mechanical properties of Ti-Al alloy using a novel electromagnetic stirring method

K. Biswas^*
, R. Hermann
, J. Das
, J. Priede
, G. Gerbeth
, J. Acker

^*Corresponding author for this work

Department of Physics

Leibniz Institute for Solid State and Materials Research Dresden
Technische Universität Darmstadt
Helmholtz-Zentrum Dresden-Rossendorf

Research output: Contribution to journal › Article › peer-review

10 Citations (Scopus)

Abstract

The effect of melt convection during the solidification of Ti₄₅Al₅₅ alloys was investigated in terms of microstructure evolution and the resulting mechanical properties. The samples were subjected to conventional induction melting as well as enhanced melt stirring by an external magnetic field using a specially designed floating zone arrangement. The stirred samples showed a significant improvement of plastic deformability. A strong change in the morphology from dendritic to spherical and an increased properitectic phase fraction were observed after stirring.

Original language	English
Pages (from-to)	1143-1146
Number of pages	4
Journal	Scripta Materialia
Volume	55
Issue number	12
DOIs	https://doi.org/10.1016/j.scriptamat.2006.08.028
Publication status	Published - Dec 2006

Keywords

Peritectic solidification
Plastic deformation
Stirring
Titanium aluminides

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10.1016/j.scriptamat.2006.08.028

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abstract = "The effect of melt convection during the solidification of Ti45Al55 alloys was investigated in terms of microstructure evolution and the resulting mechanical properties. The samples were subjected to conventional induction melting as well as enhanced melt stirring by an external magnetic field using a specially designed floating zone arrangement. The stirred samples showed a significant improvement of plastic deformability. A strong change in the morphology from dendritic to spherical and an increased properitectic phase fraction were observed after stirring.",

keywords = "Peritectic solidification, Plastic deformation, Stirring, Titanium aluminides",

author = "K. Biswas and R. Hermann and J. Das and J. Priede and G. Gerbeth and J. Acker",

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AU - Biswas, K.

AU - Hermann, R.

AU - Das, J.

AU - Priede, J.

AU - Gerbeth, G.

AU - Acker, J.

PY - 2006/12

Y1 - 2006/12

N2 - The effect of melt convection during the solidification of Ti45Al55 alloys was investigated in terms of microstructure evolution and the resulting mechanical properties. The samples were subjected to conventional induction melting as well as enhanced melt stirring by an external magnetic field using a specially designed floating zone arrangement. The stirred samples showed a significant improvement of plastic deformability. A strong change in the morphology from dendritic to spherical and an increased properitectic phase fraction were observed after stirring.

AB - The effect of melt convection during the solidification of Ti45Al55 alloys was investigated in terms of microstructure evolution and the resulting mechanical properties. The samples were subjected to conventional induction melting as well as enhanced melt stirring by an external magnetic field using a specially designed floating zone arrangement. The stirred samples showed a significant improvement of plastic deformability. A strong change in the morphology from dendritic to spherical and an increased properitectic phase fraction were observed after stirring.

KW - Peritectic solidification

KW - Plastic deformation

KW - Stirring

KW - Titanium aluminides

UR - https://www.scopus.com/pages/publications/33749651309

U2 - 10.1016/j.scriptamat.2006.08.028

DO - 10.1016/j.scriptamat.2006.08.028

M3 - Article

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SN - 1359-6462

VL - 55

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EP - 1146

JO - Scripta Materialia

JF - Scripta Materialia

IS - 12

ER -

Tailoring the microstructure and mechanical properties of Ti-Al alloy using a novel electromagnetic stirring method

Abstract

Keywords

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