Results 71 to 80 of about 1,161,769 (196)

Experimental Evaluation of Mechanical Properties, Thermal Analysis, Morphology, Printability, and Shape Memory Performance of the Novel 3D Printed PETG‐EVA Blends

open access: yesMacromolecular Materials and Engineering
Polyethylene terephthalate glycol (PETG) is a novel amorphous shape memory polymer with excellent printability for 4D printing. In this article, ethylene‐vinyl acetate (EVA) is used as a biocompatible and non‐toxic copolymer to improve plasticity and ...
Saeed J. A. Ali   +3 more
doaj   +1 more source

Simulation of the shape memory effect in a NiTi nano model system

open access: yes, 2012
The shape memory behavior of a NiTi nanoparticle is analyzed by molecular dynamics simulations. After a detailed description of the equilibrium structures of the used model potential, the multi variant martensitic ground state, which depends on the ...
Baskes   +28 more
core   +1 more source

Biodegradable polyester-based shape memory polymers: Concepts of (supra)molecular architecturing [PDF]

open access: yes, 2014
Shape memory polymers (SMPs) are capable of memorizing one or more temporary shapes and recovering to the permanent shape upon an external stimulus that is usually heat. Biodegradable polymers are an emerging family within the SMPs.
J. Karger-Kocsis, S. Keki
core   +1 more source

Shape Recovery Using Stochastic Heat Flow [PDF]

open access: yesProcedings of the British Machine Vision Conference 2007, 2007
We consider the problem of depth estimation from multiple images based on the defocus cue. For a Gaussian defocus blur, the observations can be shown to be the solution of a deterministic but inhomogeneous diffusion process. However, the diffusion process does not sufciently address the case in which the Gaussian kernel is deformed.
V. P. Namboodiri, S. Chaudhuri
openaire   +1 more source

Drag cancellation by added-mass pumping

open access: yes, 2016
A submerged body subject to a sudden shape-change experiences large forces due to the variation of added-mass energy. While this phenomenon has been studied for single actuation events, application to sustained propulsion requires studying \textit ...
Giorgio-Serchi, F., Weymouth, G. D.
core   +1 more source

Design of ethylene-methyl acrylate copolymer/chloroprene rubber thermoplastic vulcanizates as heat-triggered triple-shape memory polymers

open access: yeseXPRESS Polymer Letters
In this research, heat-triggered triple-shape memory polymers (TSMPs) based on the ethylene-methyl acrylate copolymer (EMA)/chloroprene rubber (CR) thermoplastic vulcanizates (TPVs) were prepared by dynamic vulcanization successfully; meanwhile, an ...
Dazhi Zhu   +4 more
doaj   +1 more source

3D Shape Estimation from 2D Landmarks: A Convex Relaxation Approach

open access: yes, 2015
We investigate the problem of estimating the 3D shape of an object, given a set of 2D landmarks in a single image. To alleviate the reconstruction ambiguity, a widely-used approach is to confine the unknown 3D shape within a shape space built upon ...
Daniilidis, Kostas   +3 more
core   +1 more source

Preliminary design and analysis of a cubic deployable support structure based on shape memory polymer composite

open access: yesInternational Journal of Smart and Nano Materials, 2016
The deployable structures based on shape memory polymer composites (SMPCs) have been developed for its unique properties, such as high reliability, low-cost, lightweight, and self-deployment without complex mechanical devices compared with traditional ...
Fengfeng Li   +6 more
doaj   +1 more source

Entangled single-wire NiTi material: a porous metal with tunable superelastic and shape memory properties

open access: yes, 2015
NiTi porous materials with unprecedented superelasticity and shape memory were manufactured by self-entangling, compacting and heat treating NiTi wires.
Bouvard, D.   +5 more
core   +3 more sources

Recovery of the rod cross-section shape

open access: yesBoletín de la Sociedad Matemática Mexicana
Abstract A direct method for solving the inverse problem of determining the shape of the cross-section of a rod is proposed. The method is based on Neumann series of Bessel functions representations for solutions of Sturm-Liouville equations. The first coefficient of the representation is sufficient for the recovery of the unknown function. A
Vladislav V. Kravchenko   +2 more
openaire   +3 more sources

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