Effect of annealing on the martensitic transformation of a CoNiAl ferromagnetic shape memory alloy

被引：18

作者：

Kanth, B. Rajini ^{[1
]}

Ramarao, N. V. ^{[2
]}

Panda, A. K. ^{[3
]}

Gopalan, R. ^{[2
]}

Mitra, A. ^{[3
]}

Mukhopadhyay, P. K. ^{[1
]}

机构：

[1] SN Bose Natl Ctr Basic Sci, LCMP, Kolkata 700098, India

[2] DMRL, Adv Magnet Grp, Hyderabad 500058, Andhra Pradesh, India

[3] Natl Met Lab, Jamshedpur 831007, Bihar, India

来源：

JOURNAL OF ALLOYS AND COMPOUNDS | 2010年 / 491卷 / 1-2期

关键词：

Ferromagnetic shape memory alloys; Annealing; Martensitic transition; Electrical transport; Magnetic measurements; NI-MN-GA; FIELD-INDUCED ACTUATION; SINGLE-CRYSTAL; PHASE-TRANSFORMATIONS; EQUILIBRIA; TRANSITION; SYSTEM; STRAIN;

D O I：

10.1016/j.jallcom.2009.10.227

中图分类号：

O64 [物理化学（理论化学）、化学物理学];

学科分类号：

070304 ; 081704 ;

摘要：

CoNiAl system is a potential candidate for engineering applications because of its improved ductility over other ferromagnetic shape memory alloys. We have made a sample of CoNiAl alloy (Co37Ni35Al28) by arc melting and characterized it by X-ray diffraction, resistivity, susceptibility and magnetization measurements. The martensitic phase transitions have been investigated in both the as-prepared and annealed CoNiAl alloys. We show how the metallurgical modifications progress in the system from the as-prepared to the annealed state and how they modify the transformation temperatures. (C) 2009 Elsevier B.V. All rights reserved.

引用

页码：22 / 25

页数：4

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