Experimental Study on Characteristics of NiMnGa Magnetically Controlled Shape Memory Alloy

材料科学技术（英）, 2006, 22(1): 55-58.

^1, , ^2, , ^3, , ^4, , ^5,

1.Shenyang University of Technology, Shenyang 110023, China

2.Shenyang University of Technology, Shenyang 110023, China

3.Shenyang University of Technology, Shenyang 110023, China

4.Shenyang University of Technology, Shenyang 110023, China

5.Shenyang University of Technology, Shenyang 110023, China

基金项目: 中国科学院资助项目(50177019) the Education Department of China(20040142004)

Experimental Study on Characteristics of NiMnGa Magnetically Controlled Shape Memory Alloy

Keywords： NiMnGa

The static and dynamic magnetic controlling characteristics of NiMnGa magnetically controlled shape memory alloy (MSMA) were experimentally studied. The results show that the characteristics of induced strain with respect to the magnetic field are nonlinear with saturation nature, and dependent on the temperature as well as the load applied to the MSMA. The magnetic shape memory effect can be observed only in complete martensite phase at room temperature. The magnetic permeability of MSMA is not constant and reduces with the increment of magnetic field. The relative saturation magnetic permeability of MSMA is about 1.5.

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Experimental Study on Characteristics of NiMnGa Magnetically Controlled Shape Memory Alloy

参考文献