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Relationship between grain size and martensitic transformation start temperature in a Ti-30Ni-20Cu alloy ribbon

Authors
Kang, Seok-wonLee, Yong-heeLim, Yeon-minNam, Jung-minNam, Tae-hyunKim, Yeon-wook
Issue Date
Dec-2008
Publisher
PERGAMON-ELSEVIER SCIENCE LTD
Keywords
Shape memory alloys; Melt spinning; Metallic glasses; Crystallization; Martensitic phase transformation
Citation
SCRIPTA MATERIALIA, v.59, no.11, pp 1186 - 1189
Pages
4
Indexed
SCIE
SCOPUS
Journal Title
SCRIPTA MATERIALIA
Volume
59
Number
11
Start Page
1186
End Page
1189
URI
https://scholarworks.gnu.ac.kr/handle/sw.gnu/27200
DOI
10.1016/j.scriptamat.2008.08.005
ISSN
1359-6462
Abstract
The relationship between the parent phase grain size and the B2-B19 martensitic transformation start temperature (M,) was investigated in a Ti-30Ni-20Cu alloy ribbon fabricated by melt spinning. The average grain size of the ribbons increased from 0.7 to 1.2 mu m with increasing crystallization temperature from 748 to 823 K without significant compositional change and precipitation. M, increased from 308 to 317 K with increasing crystallization temperature from 748 to 823 K, which was ascribed to the increase in grain size. (c) 2008 Acta Materialia Inc. Published by Elsevier Ltd. All rights reserved.
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Nam, Tae Hyeon
대학원 (나노신소재융합공학과)
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