Results 1 to 10 of about 31,171 (144)

Feedforward-feedback hybrid control for magnetic shape memory alloy actuators based on the Krasnosel'skii-Pokrovskii model. [PDF]

PLoS ONE, 2014
As a new type of smart material, magnetic shape memory alloy has the advantages of a fast response frequency and outstanding strain capability in the field of microdrive and microposition actuators.
Miaolei Zhou, Qi Zhang, Jingyuan Wang
doaj   +2 more sources

Robust Bain distortion in the premartensite phase of a platinum-substituted Ni₂MnGa magnetic shape memory alloy. [PDF]

Nat Commun, 2017
The premartensite phase of shape memory and magnetic shape memory alloys (MSMAs) is believed to be a precursor state of the martensite phase with preserved austenite phase symmetry.
Singh S, Dutta B, D'Souza SW, Zavareh MG, Devi P, Gibbs AS, Hickel T, Chadov S, Felser C, Pandey D.   +9 more
europepmc   +3 more sources

Origami-inspired reprogrammable microactuator system [PDF]

Microsystems & Nanoengineering
A reprogrammable microactuator system is presented, consisting of antagonistic shape memory alloy (SMA) microactuators for bidirectional folding of miniature-scale tiles following the concept of origami.
Vincent Gottwald, Lena Seigner, Makoto Ohtsuka, Rundong Jia, Pejman Shayanfard, Frank Wendler, Lars Bumke, Eckhard Quandt, Manfred Kohl   +8 more
doaj   +2 more sources

Hysteresis Modeling of Magnetic Shape Memory Alloy Actuator Based on Krasnosel'skii-Pokrovskii Model [PDF]

The Scientific World Journal, 2013
As a new type of intelligent material, magnetically shape memory alloy (MSMA) has a good performance in its applications in the actuator manufacturing.
Miaolei Zhou, Shoubin Wang, Wei Gao
doaj   +2 more sources

Structure and Magnetic Properties of Vanadium-Doped Heusler Ni-Mn-In Alloys [PDF]

Nanomaterials
The crystal structure, texture, martensitic transformation, and magnetic properties of magnetic shape-memory Heusler alloys of Ni51−xMn33.4In15.6Vx (x = 0; 0.1; 0.3; 0.5; 1) were investigated.
Dmitry Kuznetsov, Elena Kuznetsova, Alexey Mashirov, Alexander Kamantsev, Denis Danilov, Georgy Shandryuk, Sergey Taskaev, Irek Musabirov, Ruslan Gaifullin, Maxim Kolkov, Victor Koledov, Pnina Ari-Gur   +11 more
doaj   +2 more sources

Magnetic Properties of FeNiCoAlTiNb Shape Memory Alloys

Crystals, 2022
The magnetic properties of the new Fe41Ni28Co17Al11.5(Ti+Nb)2.5 (at. %) shape memory alloy system were studied in this work. The magnetic properties were characterized by thermo-magnetization and a vibrating sample magnetometer (VSM). In iron-based shape
Chau-Yi Tsai, Li-Wei Tseng, Yu-Chih Tzeng, Po-Yu Lee   +3 more
doaj   +1 more source

Research on the Transmission Performance of a High-Temperature Magnetorheological Fluid and Shape Memory Alloy Composite

Applied Sciences, 2022
To address the fact that the performance of magnetorheological fluid decreases with increasing temperature, a high-temperature magnetorheological fluid and shape memory alloy spring friction composite transmission method is proposed, and its transmission
Wenjian Chen, Jin Huang, Yan Yang
doaj   +1 more source

Phase Field Simulations of Microstructures in Porous Ferromagnetic Shape Memory Alloy Ni₂MnGa

Metals, 2023
The magnetic domain structures and martensite microstructures of porous Ni2MnGa Heusler alloys with various circle-shaped and ellipse-shaped pores were systematically studied by the phase field method.
Cailian Xu, Yu Huang, Yongfeng Liang, Pingping Wu   +3 more
doaj   +1 more source

Simultaneous improvement of magnetic-field-induced working temperature and mechanical properties in Ni–Mn–In shape memory alloy

AIP Advances, 2022
Ni–Mn–In magnetic shape memory alloys, which can be stimulated by an external magnetic field, exhibit a fast response and have aroused wide attention in the field of electro-mechanical actuators.
Tianyou Ma, Kun Zhang, Binglun Han, Lei Zhao, Wenbin Zhao, Cheng Wang, Rui Liu, Xiaohua Tian, Changlong Tan   +8 more
doaj   +1 more source

Ion polishing as a method of imaging the magnetic structures in CoNiGa monocrystal

Results in Physics, 2018
Magnetic domain structure of magnetic shape memory alloy was observed using backscattered electron detector in scanning electron microscope and using Fresnel imaging in transmission electron microscope.
Andrzej Żak, Amadeusz Łaszcz, Mariusz Hasiak, Gregory Gerstein, Hans Jürgen Maier, Wlodzimierz Dudzinski   +5 more
doaj   +1 more source