Results 151 to 160 of about 3,389 (193)
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SPIE Proceedings, 2005
This work is concerned with the magnetic field-induced rearrangement of martensitic variants in magnetic shape memory alloys (MSMAs). In addition to the variant reorientation, the rotation of the magnetization and magnetic domain wall motion are considered as the microstructural mechanisms causing the macroscopically observable constitutive response ...
Bjorn Kiefer, Dimitris C. Lagoudas
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This work is concerned with the magnetic field-induced rearrangement of martensitic variants in magnetic shape memory alloys (MSMAs). In addition to the variant reorientation, the rotation of the magnetization and magnetic domain wall motion are considered as the microstructural mechanisms causing the macroscopically observable constitutive response ...
Bjorn Kiefer, Dimitris C. Lagoudas
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Acta Materialia, 2008
A model for studying the martensitic variant pattern in ferromagnetic shape memory alloys (FSMAs) and its evolution is developed. In a departure from prior work, the model allows for complete three-dimensional description of the second-order phase transformations in FSMAs under multiaxial loading.
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A model for studying the martensitic variant pattern in ferromagnetic shape memory alloys (FSMAs) and its evolution is developed. In a departure from prior work, the model allows for complete three-dimensional description of the second-order phase transformations in FSMAs under multiaxial loading.
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Applied Physics Letters, 2008
Epitaxial Ni–Mn–Ga films were grown on SrTiO3 by sputter deposition. The films deposited at 673K are ferromagnetic and martensitic at room temperature. Pole figure measurements indicate that the twinned orthorhombic martensite microstructure of the film has a lower symmetry compared to bulk.
O. Heczko +4 more
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Epitaxial Ni–Mn–Ga films were grown on SrTiO3 by sputter deposition. The films deposited at 673K are ferromagnetic and martensitic at room temperature. Pole figure measurements indicate that the twinned orthorhombic martensite microstructure of the film has a lower symmetry compared to bulk.
O. Heczko +4 more
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Materials Science Forum, 2011
To confirm the constitutive model developed by the present authors, example calculations are conducted for the transformation behavior of shape memory alloys. The constitutive model describes the transformation behavior of the material by calculating the transformation stress and strain of transformation systems of micro structures in the material.
Hiroki Cho +4 more
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To confirm the constitutive model developed by the present authors, example calculations are conducted for the transformation behavior of shape memory alloys. The constitutive model describes the transformation behavior of the material by calculating the transformation stress and strain of transformation systems of micro structures in the material.
Hiroki Cho +4 more
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Computational materials science, 2018
Pseudoelasticity in NiTi shape memory alloy single crystals depends on the loading direction. Here, we present a comprehensive study in which molecular dynamics simulations of austenitic bulk single crystals under strain-controlled tensile and ...
P. Srinivasan, L. Nicola, A. Simone
semanticscholar +1 more source
Pseudoelasticity in NiTi shape memory alloy single crystals depends on the loading direction. Here, we present a comprehensive study in which molecular dynamics simulations of austenitic bulk single crystals under strain-controlled tensile and ...
P. Srinivasan, L. Nicola, A. Simone
semanticscholar +1 more source
SARS-CoV-2 variant biology: immune escape, transmission and fitness
Nature Reviews Microbiology, 2023Alessandro Maria Carabelli +2 more
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SARS-CoV-2 variant evasion of monoclonal antibodies based on in vitro studies
Nature Reviews Microbiology, 2022, William T Harvey, Joseph Hughes
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Reduced sensitivity of SARS-CoV-2 variant Delta to antibody neutralization
Nature, 2021Delphine Planas +2 more
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Rapid epidemic expansion of the SARS-CoV-2 Omicron variant in southern Africa
Nature, 2022Sikhulile Moyo +2 more
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