Author： Shao Lei Zhao Yangyong Jiménez Alejandro Vázquez Manuel Zhang Yong
Publisher： MDPI
E-ISSN： 2079-6412|7|1|5-5
ISSN： 2079-6412
Source： Coatings, Vol.7, Iss.1, 2017-01, pp. : 5-5
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Abstract
Ni–Mn–Ga polycrystalline alloy fibers with diameters of 33 μm are reported to exhibit significantly improved ductility and huge superelastic and shape memory strains in comparison to conventional brittle bulk polycrystalline alloys. Particularly, the recoverable strain of the Ni54.9–Mn23.5–Ga21.6 fiber can be as high as 10% at 40 °C. Such optimized behavior has been achieved by a suitable fabrication process via a glass-coating melt spinning method. The superelastic properties at different temperatures and the shape memory effect of Ni54.9–Mn23.5–Ga21.6 fibers were investigated.
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