Investigation of microstructural influence on entropy change in magnetocaloric polycrystalline samples of NiMnGaCu ferromagnetic shape memory alloy
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چکیده
منابع مشابه
Experimental Study on the Magnetomechanical Characteristics of Ni-Mn-Ga Ferromagnetic Shape Memory Alloy Single Crystals
Magnetic shape memory properties of Ni-Mn-Ga single crystals were characterized by measurement of stress-induced martensite reorientation under constant magnetic fields. Also magnetic field-induced strain as a function of the applied magnetic field under different constant compressive stress levels has been investigated. All the experiments were performed at room temperature in which the sample...
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Title of Document: MAGNETOELASTIC COUPLING IN NiMnGa FERROMAGNETIC SHAPE MEMORY ALLOY Peng Zhao, Doctor of Philosophy, 2006 Directed By: Professor, Manfred Wuttig, Department of Materials Science and Engineering NiMnGa alloys have attracted extensive attention because their ferromagnetic characteristic provides an additional degree of freedom to control both the shape memory effect and the mult...
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Transmission electron microscopy was performed to investigate the microstructure and precipitates in the annealed Co38Ni33Al29 ferromagnetic shape memory alloy. Apart from the dendritic secondary phase in the austenite matrix, micron-sized (up to 100 lm) fcc-based precipitates with partial c0 L12 ordering and containing none, one or three {111}p parallel twin planes were found. The orientation ...
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15 صفحه اولPeculiarities of the magnetocaloric properties in Ni-Mn-Sn ferromagnetic shape memory alloys
V. V. Khovaylo,1,2 K. P. Skokov,3,4 O. Gutfleisch,4 H. Miki,5 T. Takagi,5 T. Kanomata,6 V. V. Koledov,7 V. G. Shavrov,7 G. Wang,8 E. Palacios,8 J. Bartolomé,8 and R. Burriel8 1National University of Science and Technology “MISiS,” Moscow 119049, Russia 2Physics Department, Moscow State Mining University, Moscow 119991, Russia 3Faculty of Physics, Tver State University, Tver 170000, Russia 4Inst...
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ژورنال
عنوان ژورنال: Journal of Materials Research and Technology
سال: 2020
ISSN: 2238-7854
DOI: 10.1016/j.jmrt.2019.12.057