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Linking microstructure and mechanical properties on different length scales for near gamma-TiAl alloys

Kelm, Klemens and Kabir , Rizviul and Chernova , Liudmila and Zotov, Nikolay and Bartsch, Marion (2011) Linking microstructure and mechanical properties on different length scales for near gamma-TiAl alloys. 4th International Workshop on Titanium Aluminides, 13.-16. September 2011, Nürnberg.

Full text not available from this repository.

Abstract

TiAl-alloys exhibit complex microstructures, which involve in so called “lamellar” or “duplex” alloys as characteristic feature grain like lamellar colonies with lamellae consisting of alpha2-Ti3Al and gamma-TiAl and, depending on composition, processing route, and thermal treatment possibly additional grain structures and phases. Mechanical properties are controlled by these microstructural features. However, it is sometimes difficult to link specific microstructures on micro- and nanometer level with macroscopic mechanical properties based on material physics knowledge. In this contribution we show for distinctive microstructures of a near gamma-TiAl alloy how experimental methods on the nano- and micro scale are used to predict macroscopic mechanical properties by means of numerical modeling and simulation.

Item URL in elib:https://elib.dlr.de/71753/
Document Type:Conference or Workshop Item (Speech, Poster)
Title:Linking microstructure and mechanical properties on different length scales for near gamma-TiAl alloys
Authors:
AuthorsInstitution or Email of AuthorsAuthors ORCID iD
Kelm, Klemens klemens.kelm (at) dlr.deUNSPECIFIED
Kabir , Rizviulmohammad-rizviul.kabir (at) dlr.deUNSPECIFIED
Chernova , LiudmilaLiudmila.Chernova (at) dlr.deUNSPECIFIED
Zotov, Nikolayn.zotov (at) fz-juelich.deUNSPECIFIED
Bartsch, MarionMarion.Bartsch (at) dlr.deUNSPECIFIED
Date:15 September 2011
Open Access:No
Gold Open Access:No
In SCOPUS:No
In ISI Web of Science:No
Keywords:TiAl microstructure determination multiscale simulation
Event Title:4th International Workshop on Titanium Aluminides
Event Location:Nürnberg
Event Type:Workshop
Event Dates:13.-16. September 2011
Organizer:GfE Metalle und Materialien GmbH
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 > Microanalysis
Deposited By: Kelm, Dr. Klemens
Deposited On:22 Nov 2011 11:29
Last Modified:22 Nov 2011 11:29

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