Combined Experimental and Numerical Approach for Linking Microstructure and Mechanical Properties on Different Length Scales for near γ–TiAl Alloys

M.R. Kabir; Marion Bartsch; Liudmila Chernova; Janine Schneider; Klemens Kelm

doi:10.4028/www.scientific.net/MSF.750.76

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HomeMaterials Science ForumMaterials Science Forum Vol. 750Combined Experimental and Numerical Approach for...

Combined Experimental and Numerical Approach for Linking Microstructure and Mechanical Properties on Different Length Scales for near γ–TiAl Alloys

Abstract:

At room temperature the macroscopic tensile behavior of TiAl alloys is extremely microstructure sensitive. In general the microstructures of TiAl alloys are heterogeneous at micro and meso scale. The materials micromechanisms that occur at different length scale have to be linked for a proper understanding of the macroscopic response. In order to explore those micromechanisms, methodologies combining advanced experimental and computational analysis have been proposed. Linking microstructure and properties using a two-scale numerical model we are able to explain the stress-strain and hardening behavior of this alloy.

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Periodical:

Materials Science Forum (Volume 750)

Pages:

76-79

DOI:

https://doi.org/10.4028/www.scientific.net/MSF.750.76

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Online since:

March 2013

Authors:

M.R. Kabir, Marion Bartsch, Liudmila Chernova, Janine Schneider, Klemens Kelm

Keywords:

Microstructure-Property Correlation, Tensile Behavior, TiAl Alloys, Two-Scale Model

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References

[1] Kelm K, Kabir MR, Chernova L, Bartsch M. Determination of Ti3Al and TiAl lamellae thickness by means of STEM. In: MC 2011 Kiel Proceedings, German Society for Electron Microscopy e.V. Germany. MC 2011, 28. August - 02. September (2011).

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[2] Kabir MR, Chernova L, Bartsch M. Numerical investigation of room-temperature deformation behavior of a duplex type gTiAl alloy using a multi-scale modelling approach. Acta Materialia 58 (2010) 5834–5847.

DOI: 10.1016/j.actamat.2010.06.058

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