Microstructural design for thermal creep and radiation damage resistance of titanium aluminide alloys for high-temperature nuclear structural applications

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DOIResolve DOI: http://doi.org/10.1016/j.cossms.2014.07.003
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TypeArticle
Journal titleCurrent Opinion in Solid State and Materials Science
ISSN1359-0286
Volume18
Issue5
Pages269278; # of pages: 10
SubjectAlloys; Creep; Creep resistance; High temperature applications; Microstructural evolution; Microstructure; Radiation damage; Radiation effects; Titanium; Titanium compounds; Advanced nuclear system; Extreme environment; Heat treatment process; Microstructural design; Microstructural features; Optimal microstructure; Structural applications; Titanium aluminide alloy; Titanium alloys
AbstractMicrostructure plays an important role in strengthening of metallic materials. Various microstructures can be developed in titanium aluminide (TiAl) alloys, which can enable different combinations of properties for various extreme environments in advanced nuclear systems. In the present paper the mechanisms for microstructural strengthening and the effects of various microstructural features on thermal creep and radiation damage resistance of TiAl alloys are reviewed and compared. On the basis of the results, the evidence-based optimum microstructure for the best combination of thermal creep and radiation damage resistance of TiAl alloys is proposed. The heat treatment processes for manufacturing the optimal microstructure are also discussed.
Publication date
PublisherElsevier
LanguageEnglish
AffiliationNational Research Council Canada (NRC-CNRC); Aerospace
Peer reviewedYes
NPARC number21275565
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Record identifierd7083906-2ccb-4d1a-a1f5-7c219ccf30c1
Record created2015-07-14
Record modified2016-05-09
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