Results 31 to 40 of about 73,606 (289)

Review of Progress in Shape Memory Epoxies and Their Composites [PDF]

, 2017
Shape memory polymer (SMP) is capable of memorizing one or more temporary shapes and recovering successively to the permanent shape upon various external stimuli.
Karger-Kocsis, József, Kéki, Sándor
core   +1 more source

Shape memory epoxy vitrimers based on DGEBA crosslinked with dicarboxylic acids and their blends with citric acid [PDF]

, 2016
Thermosetting polymers were synthesized from a commercial epoxy resin (diglycidyl ether of bisphenol A, DGEBA) and tricarboxylic (citric, CA) and different dicarboxylic (sebacic, SA and glutaric, GA) acids.
Altuna, Facundo Ignacio, Hoppe, Cristina Elena, Williams, Roberto Juan Jose   +2 more
core   +1 more source

New perspective on the creep characteristic of fiber–dependent shape memory polymers: variable–order fractional constitutive model

Journal of Materials Research and Technology, 2023
With the aim of describing and explaining the creep tensile property of shape memory polymers (SMPs) better, a variable--order fractional creep constitutive model with fewer parameters and good simulation performance was constructed on the basis of ...
Guo Shiru, Pu Hai, Yang Mengsen, Sha Ziheng, Liu Dejun, Xie Jinyong, Feng Yiying   +6 more
doaj   +1 more source

Shape Memory Effect and Properties Memory Effect of Polyurethane [PDF]

, 2013
The relationship between shape and properties memory effect, especially viscoelastic properties of polyurethane under study is the main aim of this research work.
BOCQUET, Michel, FARZANEH, Sedigheh, FITOUSSI, Joseph, LUCAS, Albert, TCHARKHTCHI, Abbas   +4 more
core   +5 more sources

Recent progress of 4D printing technology

Journal of Aeronautical Materials, 2019
4D Printing technology can achieve additive manufacturing of smart materials. Recent progresses of 4D printing composite materials, shape memory polymers, shape memory alloys and other smart materials were reviewed.
LU Haizhou, LUO Xuan, CHEN Tao, LIU Zhao, YANG Chao   +4 more
doaj   +1 more source

A Supramolecular Polymer Formed by Small Molecules

Cell Reports Physical Science, 2020
Summary: Supramolecular polymers are intriguing due to their thermal reversible and stimuli-responsive properties. However, most supramolecular polymers reported thus far have poor mechanical properties due to the low bonding energy of the non-covalent ...
Min-Hao Zhang, Cheng-Hui Li, Jing-Lin Zuo   +2 more
doaj   +1 more source

Autonomous Deployment of a Solar Panel Using an Elastic Origami and Distributed Shape Memory Polymer Actuators [PDF]

, 2018
Deployable mechanical systems such as space solar panels rely on the intricate stowage of passive modules, and sophisticated deployment using a network of motorized actuators.
Bilal, Osama R., Chen, Tian, Daraio, Chiara, Lang, Robert, Shea, Kristina   +4 more
core   +2 more sources

Thermally actuated shape-memory polymers: Experiments, theory, and numerical simulations [PDF]

, 2010
With the aim of developing a thermo-mechanically-coupled large-deformation constitutive theory and a numerical-simulation capability for modeling the response of thermally-actuated shape-memory polymers, we have (i) conducted large strain compression ...
Anand, Lallit, Chester, Shawn Alexander, Srivastava, Vikas   +2 more
core   +1 more source

Memory formation in matter [PDF]

, 2019
Memory formation in matter is a theme of broad intellectual relevance; it sits at the interdisciplinary crossroads of physics, biology, chemistry, and computer science.
Keim, Nathan C., Nagel, Sidney R., Paulsen, Joseph D., Sastry, Srikanth, Zeravcic, Zorana   +4 more
core   +3 more sources

Prolonged recovery of 3D printed, photo-cured polylactide shape memory polymer networks

APL Bioengineering, 2020
Shape memory polymers are materials that are able to retain a deformed state until an external stimulus, most typically heat, triggers recovery to the original geometry.
Alberto Di Bartolo, Ferry P. W. Melchels
doaj   +1 more source