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Laser annealing of functionally graded NiTi thin plate
- Authors
- Meng, Qinglin; Liu, Yinong; Yang, Hong; Nam, Tae-hyun
- Issue Date
- Dec-2011
- Publisher
- PERGAMON-ELSEVIER SCIENCE LTD
- Keywords
- Laser annealing; Differential scanning analysis (DSC); Functionally graded materials (FGM); Shape memory alloy (SMA)
- Citation
- SCRIPTA MATERIALIA, v.65, no.12, pp 1109 - 1112
- Pages
- 4
- Indexed
- SCI
SCIE
SCOPUS
- Journal Title
- SCRIPTA MATERIALIA
- Volume
- 65
- Number
- 12
- Start Page
- 1109
- End Page
- 1112
- ISSN
- 1359-6462
- Abstract
- This paper reports the creation of functionally graded NiTi thin plates by means of surface laser annealing. Variation in the heat penetrating the plate thickness created a progressive degree of annealing, and thus a microstructural gradient, within the thickness of the plate. Upon heating, the deformed plates undergo a temperature-induced progressive reverse transformation, consequently exhibiting a complex mechanical behaviour for actuation. These plates also exhibit enlarged temperature windows for the transformation, providing a mechanism for easy actuation control. (C) 2011 Acta Materialia Inc. Published by Elsevier Ltd. All rights reserved.
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