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Academic literature on the topic 'Heusler Based Metamagnetic Shape Memory Alloys'

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Published: 7 September 2023

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Journal articles on the topic "Heusler Based Metamagnetic Shape Memory Alloys"

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Kainuma, Ryosuke, W. Ito, R. Y. Umetsu, V. V. Khovaylo, and T. Kanomata. "Metamagnetic Shape Memory Effect and Magnetic Properties of Ni-Mn Based Heusler Alloys." Materials Science Forum 684 (May 2011): 139–50. http://dx.doi.org/10.4028/www.scientific.net/msf.684.139.

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In some Ni-Mn-In- and Ni-Mn-Sn-based Heusler-type alloys, martensitic transformation from the ferromagnetic parent phase to the paramagnetic martensite phase appears and magnetic field-induced reverse transformation, namely, metamagnetic phase transition, is detected. In this paper, the metamagnetic shape memory effect due to the metamagnetic phase transition and the magnetostress effect in the Ni-Co-Mn-In alloys are introduced and the phase diagrams of Ni50Mn50-yXy (X: In, Sn, Sb) alloys are shown as basic information. Furthermore, the magnetic properties of both the parent and martensite phases in the Ni-Mn-In- and Ni-Mn-Sn-based metamagnetic shape memory alloys are also reviewed.
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Kainuma, Ryosuke, Katsunari Oikawa, Wataru Ito, Yuji Sutou, Takeshi Kanomata, and Kiyohito Ishida. "Metamagnetic shape memory effect in NiMn-based Heusler-type alloys." Journal of Materials Chemistry 18, no. 16 (2008): 1837. http://dx.doi.org/10.1039/b713947k.

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Kainuma, R., W. Ito, R. Y. Umetsu, V. V. Khovaylo, and T. Kanomata. "ChemInform Abstract: Metamagnetic Shape Memory Effect and Magnetic Properties of Ni-Mn Based Heusler Alloys." ChemInform 43, no. 12 (February 23, 2012): no. http://dx.doi.org/10.1002/chin.201212211.

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Ghazinezhad, Z., P. Kameli, A. Ghotbi Varzaneh, I. Abdolhosseini Sarsari, M. Norouzi-Inallu, T. Amiri, D. Salazar, et al. "Cd-doping effects in Ni–Mn–Sn: experiment and ab-initio study." Journal of Physics D: Applied Physics 55, no. 25 (March 31, 2022): 255001. http://dx.doi.org/10.1088/1361-6463/ac5f33.

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Abstract Martensitic transformation (MT), magnetic properties, and magnetocaloric effect (MCE) in Heusler-type Ni47Mn40Sn13−x Cd x (x= 0, 0.75, 1, 1.25 at. %) metamagnetic shape memory alloys (MetaMSMAs) are investigated, both experimentally and theoretically, as a function of doping with Cd. Ab-initio computations reveal that the ferromagnetic (FM) configuration is energetically more favorable in the cubic phase than the antiferromagnetic (AFM) state in undoped and doped alloys as well. Moreover, it is revealed that the alloys in the ground state exhibit a tetragonal structure confirming the existence of MT, in agreement with the experiments. It was indicated, both in theory and practice, that a reduction of the unit cell volume and an increase of the MT temperature as a function of the Cd doping. Indirect estimations of MCE in the vicinity of MT were carried out by using thermomagnetization curves measured under different magnetic fields up to 5 T. The results demonstrated that the doped alloys exhibit enhanced values of the inverse MCE comparable with those of Ni-Mn-based MetaMSMAs. Maximum magnetic entropy change in a field change of 2 T increases from 3.0 J .k g − 1 K − 1 for the undoped alloy to 3.4 and 5.0 J .k g − 1 K − 1 for the alloys doped with 0.75 and 1 at.% of Cd, respectively. The inverse and conventional MCE were explored by direct measurements of the adiabatic temperature change under the magnetic field change of 1.96 T. The Cd doping increased the maximum of inverse MCE by nearly 78% from 0.9 K to 1.6 K for the undoped and doped alloys, respectively. The results depicted that Cd doping can effectively tailor the structural, magnetic, and MCE properties of the Ni–Mn–Sn MetaMSMAs.
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Kainuma, Ryosuke, K. Ito, W. Ito, R. Y. Umetsu, T. Kanomata, and Kiyohito Ishida. "NiMn-Based Metamagnetic Shape Memory Alloys." Materials Science Forum 635 (December 2009): 23–31. http://dx.doi.org/10.4028/www.scientific.net/msf.635.23.

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The magnetic properties of the parent and martensite phases of the Ni2Mn1+xSn1-x and Ni2Mn1+xIn1-x ternary alloys and the magnetic field-induced shape memory effect obtained in NiCoMnIn alloys are reviewed, and our recent work on powder metallurgy performed for NiCoMnSn alloys is also introduced. The concentration dependence of the total magnetic moment for the parent phase in the NiMnSn alloys is very different from that in the NiMnIn alloys, and the magnetic properties of the martensite phase with low magnetization in both NiMnSn and NiMnIn alloys has been confirmed by Mössbauer examination as being paramagnetic, but not antiferromagnetic. The ductility of NiCoMnSn alloys is drastically improved by powder metallurgy using the spark plasma sintering technique, and a certain degree of metamagnetic shape memory effect has been confirmed.
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Umetsu, Rie Y., Xiao Xu, and Ryosuke Kainuma. "NiMn-based metamagnetic shape memory alloys." Scripta Materialia 116 (April 2016): 1–6. http://dx.doi.org/10.1016/j.scriptamat.2016.01.006.

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Bai, Li Na, Jian Jun Zhang, and Gui Xing Zheng. "Martensitic and Magnetic Transformation Behaviors in Ni50Mn34.5In15.5-xGdx Metamagnetic Shape Memory Alloys." Key Engineering Materials 480-481 (June 2011): 75–79. http://dx.doi.org/10.4028/www.scientific.net/kem.480-481.75.

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Magnetic Shape Memory Alloys（MSMA）have attracted considerable attention due to their potential application in actuators driven by temperature and magnetic field . Research on shape memory alloys found that the Heusler alloys of MSMA body-centered cubic lattice structure were occured giant strains by magnetic fields[1-4]. Japanese scholars found the new magnetic Shape Memory Alloys Ni-Mn-In and Ni-Co-Mn-In Heusler alloys completely under the control of the magnetic shape fields in 2005[5-7]. In applied MSMA fields, the Ni-Mn-In Heusler alloys start the possibility of using shape memory effect only driven by magnetic field. However, the high brittleness of polycrystalline intermetallic compounds hinders the practical use. Until now, the investigated alloys are ongoing research to resolve, the investigation was carried out to employ rapid quenching by melt spinning to produce Mn–Ni–In Heusler alloys by JLSánchez Llamazares et al [8], and the ribbons of Ni-Mn-In Heusler alloys grain preferential texture. We use the rare earth Gd to improve machining performance of the new alloys, and study the change of microstructure and magnetic properties of alloys which may be a subject of significant scientific and technological interests.
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Jing, C., H. L. Zhang, Z. Li, D. H. Yu, S. X. Cao, and J. C. Zhang. "Martensitic Transformation and Metamagnetic Shape Memory Effect in Ni46Co4Mn37in13 Heusler Alloy." Materials Science Forum 687 (June 2011): 505–9. http://dx.doi.org/10.4028/www.scientific.net/msf.687.505.

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The phase transition strain and magnetostrain during the martensitic transformation have been systematically investigated in Ni46Co4Mn37In13 Heusler alloy. A large phase transition strain with the value of about 0.25% upon martensitic transition has been observed, which is much larger than that in other metamagnetic shape memory alloys. In addition, such phase transition strain can be also obtained by the field change of about 50 kOe, exhibiting a large metamagnetic shape memory effect with nonprestrain. This behavior can be attributed to magnetoelastic coupling, which is caused by large difference in Zeeman energy between austenitic and martensitic phases.
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Kainuma, R., K. Ito, W. Ito, R. Y. Umetsu, T. Kanomata, and K. Ishida. "ChemInform Abstract: NiMn-Based Metamagnetic Shape Memory Alloys." ChemInform 41, no. 47 (October 28, 2010): no. http://dx.doi.org/10.1002/chin.201047219.

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Planes, Antoni, Lluís Mañosa, and Mehmet Acet. "Recent Progress and Future Perspectives in Magnetic and Metamagnetic Shape-Memory Heusler Alloys." Materials Science Forum 738-739 (January 2013): 391–99. http://dx.doi.org/10.4028/www.scientific.net/msf.738-739.391.

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Magnetic shape-memory properties refer to the ability of certain materials to show strong response in strain to an applied magnetic field. This strain is caused by either inducing the martensitic transition or rearranging martensitic variants. In the first, case a superelastic effect is possible, while in the second, the system is able to show the shape-memory effect. The complex behaviour displayed by these materials is mainly a consequence of a strong interplay between magnetism and structure which is driven by a martensitic transition. This interplay is the source of many other observed effects such as giant magneto-resistance, exchange bias and magnetocaloric effects. In this paper, we will overview the present state of the art, discuss present challenges and outline some future perspectives in the field.
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Dissertations / Theses on the topic "Heusler Based Metamagnetic Shape Memory Alloys"

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Jeong, Soon-Jong. "The effect of magnetic field on shape memory behavior in Heusler-type Ni₂MnGa-based compounds /." Thesis, Connect to this title online; UW restricted, 2000. http://hdl.handle.net/1773/10591.

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Book chapters on the topic "Heusler Based Metamagnetic Shape Memory Alloys"

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Uthiran, Devarajan, and Arumugam Sonachalam. "Tunable Multifuctionality in Heusler Alloys by Extreme Conditions." In Recent Advances in Perovskite Materials [Working Title]. IntechOpen, 2022. http://dx.doi.org/10.5772/intechopen.104960.

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The multifunctional materials have demonstrated various properties such as shape memory effect (SME), magneto caloric effect (MCE), magneto resistance (MR), piezoresistance (PR), exchange bias (EB), half metallic ferromagnetism (HMF), and spin polarization. Among many Heusler compounds, Ni-Mn-Ga alloys provide SME, MCE, PR, and MR behaviors. These properties can be tuned by some external/internal perturbations such as pressure, magnetic field, and chemical composition. These alloys are prepared using an arc melting furnace under by melting the high-purity starting elements (99.99%). The aim of the book chapter is to enhance the multicaloric properties (MCE and PR) nearer to ambient temperature by the application of some external parameters. Hence, we have chosen few Heusler alloys. These materials are investigated under extreme conditions (hydrostatic pressure, high magnetic field, and low temperature). All the doped and undoped Ni-Mn-Ga alloy series alloys exhibit conventional MCE. The application of external magnetic field increases the magnetization for both alloys. The hydrostatic pressure influences Ms and broadens the hysteresis width in both the samples. The observed metamagnetic transition at ambient pressure gets suppressed at higher pressure. Also, high pressure induces larger magneto crystalline anisotropy. The effect of pressure on MCE is decreased for both Ni2–xMn1+xGa (x = 0 and 0.15) alloys. These alloys exhibit –ve PR (x=0 @ 30 kbar) and +ve PR (x = 0.15@ 28 kbar) when subjected to hydrostatic pressure. The rate of change of T and resistivity with respect to pressure are calculated and show positive values for both the samples. The residual resistivity and electron-electron scattering factor are found to be decreased with pressure for x = 0, and it exhibits metallic behavior. However, both parameters increase for x = 0.15 alloy, and it may be related to static disorder effects and spin fluctuations.
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Acet, M., Ll Mañosa, and A. Planes. "Magnetic-Field-Induced Effects in Martensitic Heusler-Based Magnetic Shape Memory Alloys." In Handbook of Magnetic Materials, 231–89. Elsevier, 2011. http://dx.doi.org/10.1016/b978-0-444-53780-5.00004-1.

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Maduraipandian, Malaidurai. "Simulation of Mn2-x Fe1+x Al Intermetallic Alloys Microstructural Formation and Stress-Strain Development in Steel Casting." In Applications and Techniques for Experimental Stress Analysis, 231–44. IGI Global, 2020. http://dx.doi.org/10.4018/978-1-7998-1690-4.ch015.

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In this simulation, the permeation of the n-phase precipitation to the Mn2 Fe Al crystallization is induced by the steel casting solidification process by JMatPro. Using the model, the morphological evolution of the Fe and Mn in different percentages was obtained, in which the heated data obtained by simulating casting and extreme heat treatment processes were adopted. This chapter describes a model of the computer model for calculating the phase transition and properties of materials required to predict the deviation during the heat treatment of steel. The current model has the advantage of using a variety of shape memory alloys including medium to high aluminium-based Heusler alloys. Even for an arbitrary cooling profile, a wide range of physical, thermodynamic, and mechanical properties can be calculated as a function of time/temperature/cooling with different proportions. TTT (time-temperature transfer) curves are exported to FE-/FD-based packages to reduce the data distortion of materials. The test results are displayed as a stress-strain diagram.
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Conference papers on the topic "Heusler Based Metamagnetic Shape Memory Alloys"

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Dhanal, S. V., Akash Ghaste, V. G. Akkimardi, S. A. Kori, and C. H. Bhosale. "Synthesis and structural studies of Ni-Mn based Heusler shape memory alloys." In PROCEEDINGS OF THE INTERNATIONAL CONFERENCE ON ADVANCED MATERIALS: ICAM 2019. AIP Publishing, 2019. http://dx.doi.org/10.1063/1.5130212.

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Faidley, LeAnn E., Marcelo J. Dapino, Gregory N. Washington, and Thomas A. Lograsso. "Dynamic Response in the Low-kHz Range and Delta-E Effect in Ferromagnetic Shape Memory Ni-Mn-Ga." In ASME 2003 International Mechanical Engineering Congress and Exposition. ASMEDC, 2003. http://dx.doi.org/10.1115/imece2003-43198.

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Recent work on ferromagnetic shape memory nickel-manganese-gallium (Ni-Mn-Ga) has demonstrated several characteristics which make this material attractive as an active element for the next generation of intelligent transducers. Alloys of martensitic Ni-Mn-Ga can strain up to 6% as a result of the rotation of twin variants and associated twin boundary motion which occur in these materials in response to magnetic fields. The magnetic actuation holds promise in transducer design because it can lead to enhanced frequency response compared with shape memory alloys with comparable strains. In this paper, we report on experimental measurements collected from a Ni50Mn28.7Ga21.3 sample which has been tested in a solenoid transducer by means of a novel drive configuration consisting of a collinear uniaxial field-uniaxial stress pair. We have observed that the elastic modulus of a Ni-Mn-Ga sample driven in these conditions changes substantially in response to varying bias field. In this paper, we further investigate the dependence of the elastic modulus on ac field intensity and mechanical load as well as bias field. Quasistatic, white noise, and swept-sine excitations were employed to examine the behavior of Ni50Mn28.7Ga21.3 driven under various combinations of magnetic fields and mechanical loads. Mechanically free quasi-static tests demonstrate reversible strains of 6300 με which are consistent with prior measurements on samples with similar composition near the Heusler stoichiometry. Dynamic measurements reveal a significant stiffness increase, of up to 209%, with dc bias field. This frequency shift or ΔE effect is shown to originate in the Ni-Mn-Ga sample and is believed to stem from the reorientation of twin variants in response to varying dc field. These results might facilitate a new class of solenoid-based Ni-Mn-Ga transducers for tunable vibration absorber applications, and lay the ground work for developing methods and criteria for the implementation of broadband Ni-Mn-Ga transducer technologies.
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