Results 211 to 220 of about 9,463 (269)

A Giant Magneto-Superelasticity of 5% Enabled by Introducing Ordered Dislocations in Ni₃₄Co₈Cu₈Mn₃₆Ga₁₄ Single Crystal. [PDF]

Adv Sci (Weinh)
Yu Q, Wang J, Liang C, Meng J, Xu J, Liu Y, Zhao S, Xi X, Xi C, Yang M, Si C, He Y, Wang D, Jiang C.   +13 more
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Ferromagnetic Shape-Memory Alloys

Materials Science Forum, 2006
The magnetic shape-memory effect is a consequence of the coupling between magnetism and structure in ferromagnetic alloys undergoing a martensitic transformation. In these materials large reversible strains can be magnetically induced by the rearrangement of the martensitic twin-variant structure.
Antoni Planes, Lluís Mañosa
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NEW FERROMAGNETIC SHAPE MEMORY ALLOY SYSTEMS

Applied Crystallography, 2004
AbstractFor Abstract see ChemInform Abstract in Full Text.
E. Cesari, J. Pons, C. Segui, V. A. Chernenko   +3 more
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Ferromagnetic Shape Memory Heusler Alloys

Solid State Phenomena, 2012
Although Heusler alloys have been known for more than a century, but since the last decade there has been a quantum jump in research in this area. Heusler alloys show remarkable properties, such as ferromagnetic shape memory effect, magnetocaloric effect, half metallicity, and most recently it has been shown that it can be used for direct conversion of
Vijay Srivastava, Kanwal Preet Bhatti
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Magnetostriction in ferromagnetic shape memory alloys

Journal of Magnetism and Magnetic Materials, 2001
Abstract There is intense interest in the development of new magnetostrictive materials having large strains. Recent experiments [1,2] showed that the ferromagnetic shape memory alloys (SMA) have some perspectives to generate significant magnetic-field-induced deformations.
V.V. Kokorin, M. Wuttig
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Rapidly solidified ferromagnetic shape memory alloys

The European Physical Journal Special Topics, 2008
Ferromagnetic shape memory alloys have been manufactured by various techniques involving rapid solidification. Bulk alloys have been obtained by extracting the melted alloy in especially designed copper molds; glass coated wires have been obtained by drawing the melt from glass recipients followed by water cooling and ribbons have been fabricated by ...
C. M. Craciunescu, A. Ercuta, I. Mitelea, M. Valeanu, V. S. Teodorescu, N. Lupu, H. Chiriac   +6 more
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Ferromagnetic shape memory alloys: Scientific and applied aspects

Sensors and Actuators A: Physical, 2008
The underlying mechanisms responsible for the giant magnetic or mechanical field-induced-strains in ferromagnetic shape memory alloys are briefly discussed based on a phenomenological approach. The fundamental aspect is illustrated by the experimental results related to the lattice, mechanical and magnetic instabilities in the prototype Ni-Mn-Ga ...
Chernenko VA, Besseghini S
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Ferromagnetic shape memory alloys: Theory of interactions

Journal of Applied Physics, 2005
Twin boundary motion in a viscous discrete lattice is examined in the presence of a dislocation defect and a magnetic driving force supplemented by an acoustical signal. The results show, amongst others, a resistance to twin boundary motion due to lattice discreteness and a large but temporary reduction in twin boundary velocity during the interaction ...
D. I. Paul, R. C. O’Handley, Bradley Peterson   +2 more
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Occurrence of ferromagnetic shape memory alloys (invited)

Journal of Applied Physics, 2000
This article presents an overview of the necessary conditions for the formation of shape memory alloys (SMAs) and how these must overlap with the occurrence of ferromagnetism so that ferromagnetic shape memory alloys (MSMAs) may be formed. The electronic, elastic, and geometric conditions permit an understanding of the occurrence of Cu- and Fe-based ...
Manfred Wuttig, Luohong Liu, Koichi Tsuchiya, Richard D. James   +3 more
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Giant Magnetostriction in Ferromagnetic Shape-Memory Alloys

MRS Bulletin, 2002
AbstractShape-memory alloys are now widely used because they exhibit a large recoverable strain, which is caused by the conversion of variants in the martensite phase. The conversion of variants is usually promoted by the application of external stress.
Tomoyuki Kakeshita, Kari Ullakko
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