Paper Title:
Martensitic and Magnetic Transformation Behaviors in Ni50Mn34.5In15.5-xGdx Metamagnetic Shape Memory Alloys
  Abstract

Magnetic Shape Memory Alloys(MSMA)have attracted considerable attention due to their potential application in actuators driven by temperature and magnetic field . Research on shape memory alloys found that the Heusler alloys of MSMA body-centered cubic lattice structure were occured giant strains by magnetic fields[1-4]. Japanese scholars found the new magnetic Shape Memory Alloys Ni-Mn-In and Ni-Co-Mn-In Heusler alloys completely under the control of the magnetic shape fields in 2005[5-7]. In applied MSMA fields, the Ni-Mn-In Heusler alloys start the possibility of using shape memory effect only driven by magnetic field. However, the high brittleness of polycrystalline intermetallic compounds hinders the practical use. Until now, the investigated alloys are ongoing research to resolve, the investigation was carried out to employ rapid quenching by melt spinning to produce Mn–Ni–In Heusler alloys by JLSánchez Llamazares et al [8], and the ribbons of Ni-Mn-In Heusler alloys grain preferential texture. We use the rare earth Gd to improve machining performance of the new alloys, and study the change of microstructure and magnetic properties of alloys which may be a subject of significant scientific and technological interests.

  Info
Periodical
Key Engineering Materials (Volumes 480-481)
Edited by
Yanwen Wu
Pages
75-79
DOI
10.4028/www.scientific.net/KEM.480-481.75
Citation
L. N. Bai, J. J. Zhang, G. X. Zheng, "Martensitic and Magnetic Transformation Behaviors in Ni50Mn34.5In15.5-xGdx Metamagnetic Shape Memory Alloys", Key Engineering Materials, Vols. 480-481, pp. 75-79, 2011
Online since
June 2011
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