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Combined experimental and numerical approach for linking microstructure and mechanical properties on different length scales for near γ–TiAl alloys

Kabir, Mohammad Rizviul and Bartsch, Marion and Chernova, Liudmila and Schneider, Janine and Kelm, Klemens (2013) Combined experimental and numerical approach for linking microstructure and mechanical properties on different length scales for near γ–TiAl alloys. Materials Science Forum, 750, pp. 76-79. Trans Tech Publications. DOI: 10.4028/www.scientific.net/MSF.750.76 ISSN 0255-5476

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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.

Item URL in elib:https://elib.dlr.de/79392/
Document Type:Article
Title:Combined experimental and numerical approach for linking microstructure and mechanical properties on different length scales for near γ–TiAl alloys
Authors:
AuthorsInstitution or Email of AuthorsAuthors ORCID iD
Kabir, Mohammad RizviulInstitute of Materials Research, German Aerospace Center (DLR), Linder Hoehe, D-51147 Cologne, Germany UNSPECIFIED
Bartsch, Marionmarion.bartsch (at) dlr.deUNSPECIFIED
Chernova, LiudmilaLiudmila.Chernova (at) dlr.deUNSPECIFIED
Schneider, JanineInstitute of Materials Research, German Aerospace Center (DLR), Linder Hoehe, D-51147 Cologne, Germany UNSPECIFIED
Kelm, Klemens klemens.kelm (at) dlr.deUNSPECIFIED
Date:2013
Journal or Publication Title:Materials Science Forum
Refereed publication:Yes
In SCOPUS:Yes
In ISI Web of Science:No
Volume:750
DOI :10.4028/www.scientific.net/MSF.750.76
Page Range:pp. 76-79
Publisher:Trans Tech Publications
ISSN:0255-5476
Status:Published
Keywords:TiAl alloy, two-scale model, microstructure-property correlation, tensile behavior
HGF - Research field:Aeronautics, Space and Transport
HGF - Program:Aeronautics
HGF - Program Themes:Propulsion Systems (old)
DLR - Research area:Aeronautics
DLR - Program:L ER - Engine Research
DLR - Research theme (Project):L - Virtual Engine and Validation Methods (old)
Location: Köln-Porz
Institutes and Institutions:Institute of Materials Research > Experimental and Numerical Methods
Deposited By: Bartsch, Dr.-Ing. Marion
Deposited On:04 Dec 2012 10:16
Last Modified:10 Jan 2019 15:52

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