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Growth of NiAl shape memory alloy single crystals

โœ Scribed by Y.L Zhang; Q Li; J Ye; Y.X Li; S.X Ouyang

Book ID
104365064
Publisher
Elsevier Science
Year
2000
Tongue
English
Weight
736 KB
Volume
40
Category
Article
ISSN
0960-8974

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โœฆ Synopsis

As a potential candidate of high temperature Shape Memory Alloy (SMA), inter metallic compound NiA1 has been studied for more than 30 years. In order to understand better the mechanism of the Shape Memory Effect(SME) in [3-NiA1 phase, its bulk single crystal have been prepared with an improved magnetic levitation cold crucible Czochralski(CZ) technique in our lab. The crystal growth procedure and the [3 -NiAI phase stability are discussed in this paper.

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Shape memory alloys (SMA) are a unique class of engineering materials that can be further exploited with accurate polycrystal constitutive models. Previous investigators have modeled stress-induced martensite formation in unconstrained single crystals. Understanding stress-induced martensite formati