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.
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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.
|Document Type:||Conference or Workshop Item (Speech, Poster)|
|Title:||Linking microstructure and mechanical properties on different length scales for near gamma-TiAl alloys|
|Date:||15 September 2011|
|Keywords:||TiAl microstructure determination multiscale simulation|
|Event Title:||4th International Workshop on Titanium Aluminides|
|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:||L ER - Engine Research|
|DLR - Research area:||Aeronautics|
|DLR - Program:||L ER - Engine Research|
|DLR - Research theme (Project):||L - Virtual Engine and Validation Methods|
|Institutes and Institutions:||Institute of Materials Research > Microanalysis|
|Deposited By:||Klemens Kelm|
|Deposited On:||22 Nov 2011 11:29|
|Last Modified:||22 Nov 2011 11:29|
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