Deformation and dislocation structure in L12 titanium trialuminide alloys

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TypeArticle
Journal titleJournal of Materials Science and Technology
Volume10
Issue6
Pages435440; # of pages: 6
AbstractThe deformation behaviour and the nature of dislocations of the Al3Ti-base L12 alloya modified with Fe and Mn etc, were investigated. The results show that the deformation and fracture character istics are closely related to the alloy compositions. The effect of hot-working process on the room tem perature ductility is remarkable, not only resulting in an appreciable improvement of compressive properties but also showing a 0.28% plastic strain in tensile test. The SISF dissociation of a < 110>dislocations on {111} planes was found at room temperature. The determined dissociation scheme is consistent with the mechanical behaviour of these alloys in the lower temperature region.
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LanguageEnglish
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NPARC number21276882
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Record identifier38705f8f-bf3a-48c2-9e2a-2641c987f5a6
Record created2015-10-30
Record modified2016-05-09
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