Results 31 to 40 of about 1,681,893 (239)

Three-way actuation of shape memory composite

open access: yesArchives of Mechanics, 2011
The SMC belt composed of two kinds of SMAs with different phase transformation temperatures and SMP, was fabricated and the three-way (reciprocating) movement and recovery force in bending actuation were investigated.
H. Tobushi   +4 more
doaj   +1 more source

Development of High-Entropy Shape-Memory Alloys: A Review

open access: yesMetals, 2023
High-entropy shape-memory alloys (HESMAs) exhibit unique properties, including high yield strength, a wide temperature range of phase transformation, and excellent thermal cycling stability, among others. Hence, they have broad prospects for research and
Guoqiang Fu   +7 more
doaj   +1 more source

Shape-memory effects in molecular crystals [PDF]

open access: yesNature Communications, 2019
AbstractMolecular crystals can be bent elastically by expansion or plastically by delamination into slabs that glide along slip planes. Here we report that upon bending, terephthalic acid crystals can undergo a mechanically induced phase transition without delamination and their overall crystal integrity is retained.
Ejaz Ahmed   +3 more
openaire   +4 more sources

The ultrahigh functional response of CuAlMnNb shape memory alloy by selective laser melting

open access: yesJournal of Materials Research and Technology, 2022
In this study, the Cu-11.85Al-3.88Mn-1.6Nb (wt.%) shape memory alloy with low cost and a highly functional response was manufactured by selective laser melting(SLM).
Xiaoying Xi   +4 more
doaj   +1 more source

Memory effect in growing trees [PDF]

open access: yes, 2004
We show that the structure of a growing tree preserves an information on the shape of an initial graph. For the exponential trees, evidence of this kind of memory is provided by means of the iterative equations, derived for the moments of the node-node ...
Kulakowski, K., Malarz, K.
core   +2 more sources

High performance shape memory polyurethane synthesized with high molecular weight polyol as the soft segment [PDF]

open access: yes, 2012
Shape memory polyurethanes (SMPUs) are typically synthesized using polyols of low molecular weight (MW~2,000 g/mol) as it is believed that the high density of cross-links in these low molecular weight polyols are essential for high mechanical strength ...
Ahmad, Manzoor   +6 more
core   +2 more sources

Triple-shape memory effect in 3D-printed polymers

open access: yeseXPRESS Polymer Letters, 2020
A triple-shape memory effect represents that polymers can memorize two temporary shapes and show a subsequent recovery from the second temporary shape to the first temporary shape and further to the permanent shape with heating, which provides more ...
L. Dai, J. Song, S. Qu, R. Xiao
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

A concise review of the applications of NiTi shape-memory alloys in composite materials

open access: yesSouth African Journal of Science, 2014
Composite materials have increasingly been used in construction and in the aerospace and automotive industries because they are lightweight, strong and corrosion resistant, and because their anisotropic properties can be controlled; maintenance costs are
Kazeem O. Sanusi   +2 more
doaj   +1 more source

Elinvar effect in Ti50-xNi41Co9Nbx shape memory alloys

open access: yesJournal of Materials Research and Technology, 2023
Based on the observation of Elinvar effect in non-magnetic Co doped TiNi alloys, we added a small amount of Nb to Ti50Ni41Co9 alloy with low Co content to regulate the phase transformation behaviors and induce Elinvar effect. The effects of Nb content on
Yuru Zha   +6 more
doaj   +1 more source

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