Giant magnetic-field-induced bending effect in Ni-Mn-Ga-Co-Cu melt-spun ribbons

被引：4

作者：

Szczerba, M. J. ^{[1
]}

机构：

[1] Polish Acad Sci, Inst Met & Mat Sci, 25 Reymonta St, PL-30059 Krakow, Poland

来源：

SCRIPTA MATERIALIA | 2021年 / 205卷

关键词：

Ferromagnetic shape memory alloys; Melt spinning; Bending test; Twinning; MARTENSITIC PHASES; TOPOLOGICAL MODEL; INDUCED STRAINS; DEFORMATION; MICROSTRUCTURE; MOTION;

D O I：

10.1016/j.scriptamat.2021.114203

中图分类号：

TB3 [工程材料学];

学科分类号：

0805 ; 080502 ;

摘要：

The paper reports on the first observations of giant magnetic-field-induced bending effect in Ni-Mn-Ga-Co-Cu alloys produced by the melt-spinning technique. The effect was observed during bending exper-iments using ribbons that were initially annealed at 1173 K for 60 min in order to release the internal stress. Initiation of the bending effect was observed at very low magnetic field of 0.06T. The overall defor-mation, generated by external magnetic field of less than 0.2T, was composed of plastic as well as elastic contributions. The first was observed during the initial bending cycle, whereas, the latter dominated fur-ther on. (c) 2021 Acta Materialia Inc. Published by Elsevier Ltd. All rights reserved.

引用

页数：4

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