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Crystallization behavior and microstructure of Ti-36Ni-7Sn (at.%) alloy ribbons

Authors
Choi, Hui-jinKim, Jae-hyunNoh, Jung-pilMiyazaki, ShuichiKim, Yeon-wookNam, Tae-hyun
Issue Date
Oct-2011
Publisher
PERGAMON-ELSEVIER SCIENCE LTD
Keywords
Martensitic transformation; Melt spinning; Crystallization; Nanocrystalline microstructure; R phase
Citation
SCRIPTA MATERIALIA, v.65, no.7, pp 611 - 614
Pages
4
Indexed
SCI
SCIE
SCOPUS
Journal Title
SCRIPTA MATERIALIA
Volume
65
Number
7
Start Page
611
End Page
614
URI
https://scholarworks.gnu.ac.kr/handle/sw.gnu/23535
DOI
10.1016/j.scriptamat.2011.06.039
ISSN
1359-6462
Abstract
Rapidly solidified Ti-36Ni-7Sn (at.%) alloy amorphous ribbon was crystallized in the sequence amorphous-(Ti,Sn)(2)Ni-B2-Ti(3)Sn. The crystallized ribbon consisted of the B2, (Ti,Sn)(2)Ni and Ti(3)Sn phases with grain sizes of <100 nm. The crystallized ribbon showed the B2-R-B19' martensitic transformation behavior. The temperature gap between T(R)* and M(S)* in the ribbon was larger than that of the ingot prepared by conventional casting; this difference was ascribed to precipitation hardening due to nanostructuring of the (Ti,Sn)(2)Ni and Ti(3)Sn particles. (C) 2011 Acta Materialia Inc. Published by Elsevier Ltd. All rights reserved.
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Nam, Tae Hyeon
대학원 (나노신소재융합공학과)
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