Magnetic and martensitic transformations in Ni50AlxMn50-x alloys

被引：67
作者：
Morito, S
Kakeshita, T
Hirata, K
Otsuka, K
机构：
[1] Univ Tsukuba, Inst Mat Sci, Ibaraki 3058573, Japan
[2] Osaka Univ, Fac Engn, Dept Mat Sci & Engn, Osaka 5650871, Japan
[3] Natl Res Inst Met, Ibaraki 3050047, Japan
来源：
ACTA MATERIALIA | 1998年 / 46卷 / 15期
基金：
日本学术振兴会;
关键词：
D O I：
10.1016/S1359-6454(98)00204-3
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
The Ni-Al shape memory alloy system is well known by the unique characteristics of phonon-softening and tweed, which are closely related to the B2-14M[(<5(2)over bar>2)(2)] martensitic transformation. If Mn is added to the alloy, additional martensite appears such as 10M[(<3(2)over bar>)(2)] long period stacking order structure. The magnetic and martensitic transformations in the Ni50AlxMn50-x alloys were investigated in order to understand their relations. This was accomplished by extensively utilizing various techniques such as magnetic susceptibility and magnetization measurements, transmission electron microscopy, differential scanning calorimetry (DSC) and electrical resistivity measurements. These investigations uncovered strange successive magnetic transformations (antiferromagnetic to spin-glass state), which were examined further in relation to their martensitic counterparts. (C) 1998 Acta Metallurgica Inc. Published by Elsevier Science Ltd. All rights reserved.
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收藏
页码：5377 / 5384
页数：8
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