Flexible Bamboo-Structured NiCoMnIn Microfibers with Magnetic-Field-Induced Reverse Martensite Transformation

The bamboo-structured Ni 45 Co 5 Mn 36.8 In 13.2 fibers with martensitic transition temperature at room temperature were fabricated by melt spinning followed by annealing. A magnetic-field-induced reverse martensitic transformation from martensite to austenite with a shift of transformation temperat...

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Bibliographic Details
Published inMetallurgical and materials transactions. A, Physical metallurgy and materials science Vol. 42; no. 12; pp. 3581 - 3584
Main Authors Ji, Y. Z., Nie, Z. H., Chen, Z., Liu, D. M., Wang, Y. D., Wang, G., Zuo, L., Xing, D. W., Sun, J. F.
Format Journal Article
LanguageEnglish
Published Boston Springer US 01.12.2011
Springer Nature B.V
Subjects
Bamboo
Characterization and Evaluation of Materials
Chemistry and Materials Science
Communication
Fibers
Magnetic fields
Martensitic stainless steel
Materials Science
Metallic Materials
Nanotechnology
Structural Materials
Surfaces and Interfaces
Thin Films
Reverse Martensite Transformation
Parent Phase
Martensite
Phase Transformation Temperature
Austenite
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Summary:The bamboo-structured Ni 45 Co 5 Mn 36.8 In 13.2 fibers with martensitic transition temperature at room temperature were fabricated by melt spinning followed by annealing. A magnetic-field-induced reverse martensitic transformation from martensite to austenite with a shift of transformation temperature of 2.6 K/T was obtained in the microfibers. Different from the intrinsic brittleness evidenced in bulk alloy, the microfibers stored at 320 K (47 °C) were easily flexible, which is due to the fact that the formation of bamboo structures reduces the mismatch stress/strain near grain boundaries.
ISSN:1073-5623
1543-1940
DOI:10.1007/s11661-011-0903-9