Results 31 to 40 of about 4,245 (210)

Near-room-temperature martensitic actuation profited from one-dimensional hybrid perovskite structure

open access: yesNature Communications, 2022
Martensitic transformations are structural phase transition that usually bring about stimuli-responsive phenomena. Here authors present a 1D hybrid perovskite ferroelastic martensite that shows thermoelastic actuation behaviour with a significant ...
Bei-Dou Liang   +5 more
doaj   +1 more source

Compositional Influence on Martensitic Transformations in Ni-Ti Alloys by Molecular Dynamics [PDF]

open access: yesMaterials Research
Over the last decades, high-entropy refractory alloys with shape memory (SM) effect have been increasingly studied. However, identifying the optimal composition among the vast array of potential systems remains a significant challenge for the scientific ...
Luis César Rodríguez Aliaga   +3 more
doaj   +1 more source

Shape Change and Crystal Orientation of B19 Martensite in Equiatomic TiPd Alloy by Isobaric Test

open access: yesMetals, 2020
We investigated the texture and the shape change in the equiatomic TiPd alloy, and discussed the relationship between the shape change and the atomic movements associated with martensitic transformation.
Shota Hisada   +2 more
doaj   +1 more source

ECAE processed NiTi shape memory alloy [PDF]

open access: yesMaterials Research, 2014
The current work evaluated the microstructures and martensitic transformation temperatures of NiTi shape memory alloy (SMA) deformed by equal channel angular extrusion (ECAE).
Fernanda Lídia Carvalho Lucas   +4 more
doaj   +1 more source

Amorphous martensite in β-Ti alloys

open access: yesNature Communications, 2018
Displacive martensitic transformations through lattice distortion usually involve a change from one crystal structure to another. Here however, the authors “melt” metastable Ti alloys during cooling and show that a martensitic transformation can lead to ...
Long Zhang   +7 more
doaj   +1 more source

All-d-metal equiatomic quaternary Heusler hypothetical alloys ZnCdTMn (T = Fe, Ru, Os, Rh, Ir, Ni, Pd, Pt): A first-principle investigation of electronic structures, magnetism, and possible martensitic transformations

open access: yesResults in Physics, 2018
A new series of Zinc-based all-d-metal equiatomic quaternary Heusler hypothetical alloys ZnCdTMn (T = Fe, Ru, Os, Rh, Ir, Ni, Pd, Pt) were designed, and their ground state, electronic structures, magnetism, and possible martensitic transformations, as ...
Yilin Han   +5 more
doaj   +1 more source

Three-dimensional modeling of shape-memory materials [PDF]

open access: yes, 2000
ESOMAT 2000, Fifth European Conference on Martensitic Transformations and Shape Memory Alloys, Como, Settembre ...
F. Auricchio, AURICCHIO, FERDINANDO
core   +1 more source

Phase Transformations of Nanocrystalline Martensitic Materials [PDF]

open access: yes, 2009
The physical phenomena and engineering applications of martensitic phase transformations are the focus of intense ongoing research. The martensitic phase transformation and functional properties such as the shape-memory effect and superelasticity are ...
T. Antretter   +3 more
core   +1 more source

Acoustic Emissions during Structural Changes in Shape Memory Alloys

open access: yesMetals, 2019
Structural changes (martensitic transformation, rearrangements of martensitic variants) in shape memory alloys have an intermittent character that is accompanied by the emission of different (thermal, acoustic, and magnetic) noises, which are ...
Dezső László Beke   +5 more
doaj   +1 more source

Simulated Martensitic Transformations [PDF]

open access: yes, 1983
Molecular dynamic computer simulations have recently provided some very graphic portrayals of how model lattices can surmount nucleation barriers of various types and accomplish certain kinds of first order displacive transitions.
J. Rifkin, P.C. Clapp
core   +1 more source

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