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
收藏
页码：22 / 25
页数：4
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