scholarly journals A Model to Describe the Magnetomechanical Behavior of Martensite in Magnetic Shape Memory Alloy

2014 ◽  
Vol 2014 ◽  
pp. 1-6 ◽  
Author(s):  
Zaoyang Guo ◽  
Haitao Li ◽  
Qiang Wan ◽  
Xianghe Peng ◽  
Jing Wen
Keyword(s):  
Experimental Data ◽  
Shape Memory Alloy ◽  
Shape Memory ◽  
Constitutive Behavior ◽  
Magnetic Shape Memory ◽  
Hyperbolic Tangent ◽  
Magnetic Shape Memory Alloy ◽  
Proposed Model ◽  
Pseudoelastic Behavior ◽  
Good Agreement

A model to describe the constitutive behavior of magnetic shape memory alloy composed with pure martensite is proposed based on the analysis of variants reorientation. A hyperbolic tangent expression is given to describe the variants transition during magnetic and mechanical loading process. The main features of magnetic shape memory alloy, such as pseudoelastic and partially pseudoelastic behavior as well as minor hysteretic loops, can be successfully replicated with the proposed model. A good agreement is achieved between calculated results and experimental data for NiMnGa single crystal.

Modeling of magnetic shape memory alloy plates for pressure sensor application

2020 ◽  
pp. 1045389X2094717
Author(s):  
Hassan Sayyaadi ◽  
Hossein Naderi
Keyword(s):  
Experimental Data ◽  
Thin Films ◽  
Shape Memory Alloy ◽  
Shape Memory Alloys ◽  
Shape Memory ◽  
Pressure Sensor ◽  
Magnetic Shape Memory ◽  
Magnetic Shape Memory Alloys ◽  
Sensor Application ◽  
Magnetic Shape Memory Alloy

This article investigates the basis for pressure sensor application based on the magnetic shape memory effect in membranes. Von Karmans nonlinear terms are considered in strain–displacement relationships of thin films, and a new method is presented for solution of large deflections of thin films with arbitrary boundary condition. In this study, the equations of motion of magnetic shape memory alloys are extended. In pressurized membranes, the complex distribution of mechanical stress can cause the martensitic reorientation, which is the underlying mechanism for sensing applications in magnetic shape memory alloys. To examine the obtained model, the governing equations of magnetic shape memory alloys are solved for clamped thin films and results are compared with experimental data. Demonstrating good agreement with experimental data, the presented model can be used for analysis of magnetic shape memory alloy–based smart structures. In this article, the deflection profile of the uniformly loaded thin films is determined with different boundary conditions. Furthermore, the center deflection of magnetic shape memory alloy membrane under different magnetic bias field is simulated. The results of simulation can be used for designing a membrane-based pressure sensor using magnetic shape memory alloys.

Origin of anomalous cryogenic magnetic behavior in a Ni-Mn-based magnetic shape memory alloy

2017 ◽  
Vol 110 (13) ◽  
pp. 132402 ◽  
Author(s):  
X. M. Sun ◽  
D. Y. Cong ◽  
K.-D. Liss ◽  
Y. H. Qu ◽  
L. Ma ◽  
...  
Keyword(s):  
Shape Memory Alloy ◽  
Shape Memory ◽  
Magnetic Behavior ◽  
Magnetic Shape Memory ◽  
Magnetic Shape Memory Alloy

Giant solid-state barocaloric effect in the Ni–Mn–In magnetic shape-memory alloy

2010 ◽  
Vol 9 (6) ◽  
pp. 478-481 ◽  
Author(s):  
Lluís Mañosa ◽  
David González-Alonso ◽  
Antoni Planes ◽  
Erell Bonnot ◽  
Maria Barrio ◽  
...  
Keyword(s):  
Solid State ◽  
Shape Memory Alloy ◽  
Shape Memory ◽  
Magnetic Shape Memory ◽  
Magnetic Shape Memory Alloy

scholarly journals A hopfield neural network-based Bouc-Wen model for magnetic shape memory alloy actuator

AIP Advances ◽  
2020 ◽  
Vol 10 (1) ◽  
pp. 015212 ◽  
Author(s):  
Yifan Wang ◽  
Chen Zhang ◽  
Zhongshi Wu ◽  
Wei Gao ◽  
Miaolei Zhou
Keyword(s):  
Neural Network ◽  
Shape Memory Alloy ◽  
Shape Memory ◽  
Hopfield Neural Network ◽  
Magnetic Shape Memory ◽  
Shape Memory Alloy Actuator ◽  
Magnetic Shape Memory Alloy
Sign in / Sign up

Export Citation Format

Share Document