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Naji, M. |
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Motta, Antonella |
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Aletan, Dirar |
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Mohamed, Tarek |
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Ertürk, Emre |
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Taccardi, Nicola |
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Kononenko, Denys |
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Petrov, R. H. | Madrid |
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Alshaaer, Mazen | Brussels |
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Bih, L. |
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Casati, R. |
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Muller, Hermance |
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Kočí, Jan | Prague |
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Šuljagić, Marija |
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Kalteremidou, Kalliopi-Artemi | Brussels |
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Azam, Siraj |
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Ospanova, Alyiya |
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Blanpain, Bart |
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Ali, M. A. |
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Popa, V. |
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Rančić, M. |
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Ollier, Nadège |
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Azevedo, Nuno Monteiro |
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Landes, Michael |
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Rignanese, Gian-Marco |
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Cui, J.
in Cooperation with on an Cooperation-Score of 37%
Topics
Publications (12/12 displayed)
- 2023Exploration of Metal Alloys as Zero-Resistance Interfacial Modification Layers for Garnet-Type Solid Electrolytescitations
- 2023Lead-free halide perovskite Cs2AgBiBr6/bismuthene composites for improved CH4 production in photocatalytic CO2 reductioncitations
- 2023Cs3Bi2Br9/g‑C3N4 direct Z‑scheme heterojunction for enhanced photocatalytic reduction of CO2 to COcitations
- 2012Spraying layer-by-layer poly(vinyl alcohol) - Graphene oxide nanocomposites
- 2011Three-dimensional tissue growth in polymer scaffolds with different stiffness and in-vitro influence of BMP-2 on tissue formation in hydroxyapatite scaffolds
- 2010Two stages in three-dimensional in vitro growth of tissue generated by osteoblastlike cellscitations
- 20093,5-dianilino substituted difluoroboron dipyrromethene: Synthesis, spectroscopy, photophysics, crystal structure, electrochemistry, and quantum-chemical calculationscitations
- 2009Influence on three-dimensional tissue growth by scaffold architecturecitations
- 2006Combinatorial search of thermoelastic shape-memory alloys with extremely small hysteresis widthcitations
- 2004Phase transformation and magnetic anisotropy of an iron-palladium ferromagnetic shape-memory alloycitations
- 2003Fe3Pd ferromagnetic shape memory alloyscitations
- 2002Electronic and structural properties of Fe 3Pd-Pt ferromagnetic shape memory alloyscitations
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article
Phase transformation and magnetic anisotropy of an iron-palladium ferromagnetic shape-memory alloy
Abstract
<p>Martensitic phase transformations in an Fe<sub>7</sub>Pd<sub>3</sub> alloy were studied using various experimental techniques: Visual observation, differential scanning calorimeter (DSC) measurements and X-ray diffraction. Magnetic measurements on this alloy were made using a vibrating sample magnetometer (VSM) and a Susceptibility Kappa bridge. The VSM measurements were made with the sample in a compression fixture to bias the martensite phase to a single variant. Both X-ray and DSC measurements show that the FCC-FCT transformation is a weak first-order thermoelastic transition. The average lattice parameters are a = 3.822±0.001 Å and c = 3.630±0. 001 Å for the FCT martensite, and a<sub>0</sub> = 3.756±0.001 Å for the FCC austenite. The latent heat of the FCC-FCT transformation is 10.79±0.01 J/cm<sup>3</sup>. A Susceptibility Kappa bridge measurement determined the Curie temperature to be 450 °C. The saturation magnetization from VSM data is m<sub>s</sub> = 1220±10 emu/cm<sup>3</sup> at -20 °C for the martensite and m<sub>s</sub> = 1080±10 emu/cm<sup>3</sup> at 60 °C for the austenite. The easy axes of a single variant of FCT martensite are the [100] and [010] directions (the a-axes of the FCT lattice) and the [001] direction (FCT c-axis) is the hard direction. The cubic magnetic anisotropy constant K<sub>1</sub> is -5±2×10<sup>3</sup> erg/cm<sup>3</sup> for the austenite at 60 °C, and the tetragonal anisotropy constant K<sub>1</sub>+K<sub>2</sub> is 3.41±0.02×10<sup>5</sup> erg/cm<sup>3</sup> for the martensite at a temperature of -20 °C and under 8 MPa of compressive stress in the [001] direction.</p>