Results 31 to 40 of about 3,797,196 (253)

A molecular dynamics investigation of the deformation mechanism and shape memory effect of epoxy shape memory polymers [PDF]

, 2016
Following deformation, thermally induced shape memory polymers (SMPs) have the ability to recover their original shape with a change in temperature. In this work, the thermomechanical properties and shape memory behaviors of three types of epoxy SMPs ...
Yang H, Shi, XH (reprint author), Chinese Acad Sci, Inst Mech, State Key Lab Nonlinear Mech, Beijing 100190, Peoples R China., Wang ZD, Guo, YF (reprint author), Beijing Jiaotong Univ, Inst Engn Mech, Beijing 100044, Peoples R China., Guo YF, 施兴华   +5 more
core   +1 more source

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

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

Temperature-Induced Shape Memory Characteristics of Epoxy Resin-Based Fabric-Reinforced Composites [PDF]

, 2013
Shape memory characteristics of woven glass and carbon fiber fabric reinforced epoxy resin-based composites were assessed in bending mode using a dynamic mechanical analyzer.
Karger-Kocsis, J.
core   +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

Shape memory alloy actuators for active disassembly using ‘smart’ materials of consumer electronic products [PDF]

, 2002
This paper reports the preliminary to current development of Shape Memory Alloy (SMA) actuators within their application in ‘Active Disassembly using Smart Materials’ (ADSM).
Jones, N, Billett, EH, Harrison, DJ, Chiodo, JD   +3 more
core   +1 more source

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

Principles for Controlling the Shape Recovery and Degradation Behavior of Biodegradable Shape-Memory Polymers in Biomedical Applications

Micromachines, 2021
Polymers with the shape memory effect possess tremendous potential for application in diverse fields, including aerospace, textiles, robotics, and biomedicine, because of their mechanical properties (softness and flexibility) and chemical tunability ...
Junsang Lee, Seung-Kyun Kang
doaj   +1 more source

Magnetically Steerable Auxetic Stents With Body‐Temperature Actuation via Nonplanar and Conformal 4D Printing

Macromolecular Materials and Engineering
Vascular stents are essential for treating coronary artery disease. This study presents a magnetically steerable 4D‐printed auxetic stent manufactured using a sustainable nonplanar printing approach designed to reduce material waste and post‐processing ...
Moslem Mohammadi, Theodor Galambos, Hafiz Ali, Thorsten Pretsch, Ali Zolfagharian   +4 more
doaj   +1 more source

Smart polymers for cell therapy and precision medicine

Journal of Biomedical Science, 2019
Soft materials have been developed very rapidly in the biomedical field over the past 10 years because of advances in medical devices, cell therapy, and 3D printing for precision medicine. Smart polymers are one category of soft materials that respond to
Hung-Jin Huang, Yu-Liang Tsai, Shih-Ho Lin, Shan-hui Hsu   +3 more
doaj   +1 more source