Chemical heterogeneity-induced plasticity in Ti-Fe-Bi ultrafine eutectic alloys

Title
Chemical heterogeneity-induced plasticity in Ti-Fe-Bi ultrafine eutectic alloys
Authors
이찬호홍성환김정태박혜진송기안박진만서진유서영호퀴안김기범
Keywords
Microstructure; Chemical heterogeneity; Mechanical properties
Issue Date
2014-08
Publisher
Materials & design
Citation
VOL 60, 363-367
Abstract
Chemical heterogeneity in Ti–Fe ultrafine eutectic structure has been introduced by addition of Bi without structural heterogeneities such as length-scale, volume fraction and morphology of lamellar and colony structures. The detailed microstructural investigation clearly reveals that the Bi was highly saturated at the colony boundary of the ultrafine eutectic alloys. The chemical heterogeneity introduced by the additional Bi in the present investigation effectively dissipates the localization of the stress thus improving the plasticity up to 8.5% without compromising the strength of 2100 MPa.
URI
http://pubs.kist.re.kr/handle/201004/48299
ISSN
02613069
Appears in Collections:
KIST Publication > Article
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