The effect of Sn content on mechanical, magnetization and shape memory behavior in NiMnSn alloys

被引：39
作者：
Aydogdu, Y. [1 ]
Turabi, A. S. [2 ]
Kok, M. [3 ]
Aydogdu, A. [1 ]
Yakinci, Z. D. [4 ]
Aksan, M. A. [5 ]
Yakinci, M. E. [6 ]
Karaca, H. E. [2 ]
机构：
[1] Gazi Univ, Fac Sci, Dept Phys, Ankara, Turkey
[2] Univ Kentucky, Dept Mech Engn, Lexington, KY 40506 USA
[3] Firat Univ, Dept Phys, Fac Sci, TR-23169 Elazig, Turkey
[4] Inonu Univ, Vocat Sch Hlth Serv, Malatya, Turkey
[5] Inonu Univ, Dept Phys, Fac Arts & Sci, Malatya, Turkey
[6] Inonu Univ, Dept Biomed Engn, Fac Engn, Malatya, Turkey
来源：
JOURNAL OF ALLOYS AND COMPOUNDS | 2016年 / 683卷
基金：
美国国家科学基金会;
关键词：
Shape memory; Composition alteration; Superelasticity; Phase transformation; Saturation magnetization; MN-GA ALLOYS; MARTENSITIC-TRANSFORMATION; PHASE-TRANSFORMATION; SINGLE-CRYSTALS; HEUSLER ALLOYS; FE ADDITION; TRANSITION; FIELD; MICROSTRUCTURE;
D O I：
10.1016/j.jallcom.2016.05.108
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：
The effects of the composition alteration on the magnetization and shape memory behavior of Ni50Mn40-xSn10+x (x = 0, 1, 2, 3) alloys were systematically investigated by thermal, magnetic and mechanical experiments. Phase transformation from ferromagnetic austenite to weakly magnetic martensite was observed during thermal cycling under magnetic field and transformation temperatures were decreased with increasing Sn (or decreasing Mn). Moreover, the saturation magnetization of martensite increased with Sn content. Ni50Mn40Sn10 showed the recoverable strain of 2.1% during thermal cycling under 300 MPa and the reversible superelastic strain of 2% at 190 degrees C. Mechanical experiments exhibited that the largest compressive deformation of about 7% at 650 MPa occurred in Ni50Mn39Sn11 while Ni50Mn40Sn10 had fractured at 4% and 390 MPa at room temperature. (C) 2016 Elsevier B.V. All rights reserved.
引用
收藏
页码：339 / 345
页数：7
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