Microstructural, phase transformation and magnetic properties of Ni-Mn-Ga alloy fabricated by spark plasma sintering

被引：6

作者：

Tian Xiao-Hua ^{[1
,2
]}

Sui Jie-He ^{[1
]}

Zhang Xin ^{[1
]}

Feng Xue ^{[1
]}

Cai Wei ^{[1
]}

机构：

[1] Harbin Inst Technol, Sch Mat Sci & Engn, Harbin 150001, Peoples R China

[2] Harbin Univ Sci & Technol, Coll Appl Sci, Harbin 150080, Peoples R China

来源：

CHINESE PHYSICS B | 2011年 / 20卷 / 04期

基金：

中国国家自然科学基金;

关键词：

ferromagnetic shape memory alloys; magnetic properties; martensitic transformations; spark plasma sintering; SHAPE-MEMORY ALLOYS; FIELD-INDUCED STRAIN; MARTENSITIC-TRANSFORMATION; HEUSLER ALLOY; NI2MNGA; NIMNGA; CRYSTALS; BEHAVIOR;

D O I：

10.1088/1674-1056/20/4/047503

中图分类号：

O4 [物理学];

学科分类号：

0702 ;

摘要：

The microstructural, phase transformation and magnetic properties of Ni-Mn-Ga alloy fabricated using the spark plasma sintering method have been investigated. The results show that both the as-sintered and annealed sintered specimens exhibit typical martensitic transformation behaviours. The martensite of the sintered specimen after annealing exhibits a ferromagnetic nature. Moreover, study of the fracture surface indicates that the transgranular fracture contributes to the higher ductility of sintered Ni-Mn-Ga alloy. In addition, the transformation strain in sintered Ni-Mn-Ga alloy is studied for the first time.

引用

页数：4

共 20 条

[1] Martensitic transformation and mechanical properties of polycrystalline Ni50Mn29Ga21-xGdx ferromagnetic shape memory alloys [J].

Gao, L. ;

Cai, W. ;

Liu, A. L. ;

Zhao, L. C. .

JOURNAL OF ALLOYS AND COMPOUNDS, 2006, 425 (1-2) :314-317

[2]

Guo SH, 2004, J RARE EARTH, V22, P875

[3] Superhigh strains by variant reorientation in the nonmodulated ferromagnetic NiMnGa alloys [J].

Jiang, CB ;

Liang, T ;

Xu, HB ;

Zhang, M ;

Wu, GH .

APPLIED PHYSICS LETTERS, 2002, 81 (15) :2818-2820

[4] Effect of the chemical composition to martensitic transformation in Ni-Mn-Ga-Fe alloys [J].

Koho, K ;

Söderberg, O ;

Lanska, N ;

Ge, Y ;

Liu, X ;

Straka, L ;

Vimpari, J ;

Heczko, O ;

Lindroos, VK .

MATERIALS SCIENCE AND ENGINEERING A-STRUCTURAL MATERIALS PROPERTIES MICROSTRUCTURE AND PROCESSING, 2004, 378 (1-2) :384-388

[5]

Meng FB, 2009, CHINESE PHYS B, V18, P3031, DOI 10.1088/1674-1056/18/7/069

[6] Giant magnetic-field-induced strain in Ni-Mn-Ga crystals: Experimental results and modeling [J].

Murray, SJ ;

Marioni, M ;

Tello, PG ;

Allen, SM ;

O'Handley, RC .

JOURNAL OF MAGNETISM AND MAGNETIC MATERIALS, 2001, 226 (PART I) :945-947

[7] 6% magnetic-field-induced strain by twin-boundary motion in ferromagnetic Ni-Mn-Ga [J].

Murray, SJ ;

Marioni, M ;

Allen, SM ;

O'Handley, RC ;

Lograsso, TA .

APPLIED PHYSICS LETTERS, 2000, 77 (06) :886-888

[8]

Pérez-Sáez RB, 2000, ADV ENG MATER, V2, P49, DOI 10.1002/(SICI)1527-2648(200002)2:1/2<49::AID-ADEM49>3.0.CO

[9]

2-I

[10] Crystal structure of martensitic phases in Ni-Mn-Ga shape memory alloys [J].

Pons, J ;

Chernenko, VA ;

Santamarta, R ;

Cesari, E .

ACTA MATERIALIA, 2000, 48 (12) :3027-3038

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