Size effects on magnetic actuation in Ni‐Mn‐Ga shape‐memory alloys
Abstract The off‐stoichiometric Ni2MnGa Heusler alloy is a magnetic shape‐memory alloy
capable of reversible magnetic‐field‐induced strains (MFIS). These are generated by twin …
capable of reversible magnetic‐field‐induced strains (MFIS). These are generated by twin …
Magnetic shape memory effect and highly mobile twin boundaries
O Heczko - Materials Science and Technology, 2014 - journals.sagepub.com
The magnetic shape memory effect can be classified as an example of the multiferroic effect
combining ferro-elasticity and (ferro) magnetism. After short overview of all known effects the …
combining ferro-elasticity and (ferro) magnetism. After short overview of all known effects the …
Giant magnetic-field-induced strains in polycrystalline Ni–Mn–Ga foams
The magnetic shape-memory alloy Ni–Mn–Ga shows, in monocrystalline form, a reversible
magnetic-field-induced strain (MFIS) up to 10%. This strain, which is produced by twin …
magnetic-field-induced strain (MFIS) up to 10%. This strain, which is produced by twin …
Highly mobile twinned interface in 10 M modulated Ni–Mn–Ga martensite: Analysis beyond the tetragonal approximation of lattice
The huge strains that Ni–Mn–Ga magnetic shape memory alloys can achieve are usually
described in a tetragonal unit cell approximation of a five-layered modulated (10M) crystal …
described in a tetragonal unit cell approximation of a five-layered modulated (10M) crystal …
Ni-Mn-Ga micro-trusses via sintering of 3D-printed inks containing elemental powders
Abstract Ni-Mn-Ga magnetic shape memory alloy (SMA) micro-trusses, suitable for high
magnetic field induced strains and/or a large magnetocaloric effect, are created via a new …
magnetic field induced strains and/or a large magnetocaloric effect, are created via a new …
[HTML][HTML] Evolution of microstructure and crystallographic texture of Ni-Mn-Ga melt-spun ribbons exhibiting 1.15% magnetic field-induced strain
The microstructure and texture evolution of 10M Ni-Mn-Ga melt-spun ribbons were
thoroughly evaluated by high-energy synchrotron radiation and electron backscatter …
thoroughly evaluated by high-energy synchrotron radiation and electron backscatter …
[HTML][HTML] Giant 5.8% magnetic-field-induced strain in additive manufactured Ni-Mn-Ga magnetic shape memory alloy
Laser powder bed fusion (L-PBF) additive manufacturing process was employed to
manufacture polycrystalline Ni-Mn-Ga samples. The samples were heat-treated for chemical …
manufacture polycrystalline Ni-Mn-Ga samples. The samples were heat-treated for chemical …
Effect of crystal quality on twinning stress in Ni–Mn–Ga magnetic shape memory alloys
Low twinning stress (TS) is a prerequisite for magnetic shape memory functionality in
ferromagnetic martensites. We compare Ni 50 Mn 28 Ga 22 (nominal at.%) single crystals …
ferromagnetic martensites. We compare Ni 50 Mn 28 Ga 22 (nominal at.%) single crystals …
Effect of process parameters on non-modulated Ni-Mn-Ga alloy manufactured using powder bed fusion
Increasingly, metal parts made by additive manufacturing are produced using powder bed
fusion (PBF). In this paper we report upon the combined effects of PBF parameters, including …
fusion (PBF). In this paper we report upon the combined effects of PBF parameters, including …
[HTML][HTML] Characterization of as-built and heat-treated Ni-Mn-Ga magnetic shape memory alloy manufactured via laser powder bed fusion
Magnetic shape memory (MSM) alloys have a high potential as an emerging class of
actuator materials for a new generation of fast and simple digital components. In this study …
actuator materials for a new generation of fast and simple digital components. In this study …