Journal
ADVANCED MATERIALS SCIENCE AND TECHNOLOGY, (IFAMST-8)
Volume 750, Issue -, Pages 76-79Publisher
TRANS TECH PUBLICATIONS LTD
DOI: 10.4028/www.scientific.net/MSF.750.76
Keywords
TiAl alloy; two-scale model; microstructure-property correlation; tensile behavior
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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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