[HTML][HTML] Advances and Applications of 4D-Printed High-Strength Shape Memory Polymers

J Zhang, M Xu, N Zhang, T Wang, Y Zhang… - Additive Manufacturing …, 2024 - Elsevier
Abstract" Life" represents a distinctive attribute inherent to organisms in nature, evident in
their capacity to actively adapt to changes in their environment. In contrast to the static and …

The shape memory properties and actuation performances of 4D printing poly (ether-ether-ketone)

Y Zhou, L Ren, J Zang, Z Zhang - Polymers, 2022 - mdpi.com
Shape-memory polymers (SMPs) have gradually emerged in the mechanism and
biomedical fields and facilitate the upgrading of industrial mechanisms and the …

Shape memory poly (ether ether ketone) s with tunable chain stiffness, mechanical strength and high transition temperatures

S Yang, Y He, J Leng - International Journal of Smart and Nano …, 2022 - Taylor & Francis
Shape memory polymers, with intrinsic enhanced strength and high thermal stability, are
highly demanded in aerospace, engineering manufacturing, and spatial structures. In this …

Cycle deformation behavior of 3D‐printed CF/PEEK honeycomb metamaterials with zero P oisson's ratios

N Han, X Wang, D Zhang - Polymer Composites, 2024 - Wiley Online Library
To realize the one‐dimensional deformation of morphing wings, zero Poisson's ratio (ZPR)
honeycomb metamaterials have become a popular research topic due to their lightweight …

Influence of subsequent thermomechanical cycles on shape memory behavior of 4D printed PEKK

N Ojha, S Kumar, MR Ramesh, ASS Balan… - Materials Letters, 2023 - Elsevier
The current study identifies and investigates the shape memory response of poly ether
ketone ketone (PEKK) for the first time. 4D printed PEKK are subjected to annealing …

Toward 4D Printing of Shape Memory Polymers Based on Polyaryletherketone/NVP/PEGDA through Molecular Engineering and Direct Ink Writing 3D Printing

K Gao, J Gong, P Cao, Z Tang, T Wang… - ACS Applied Polymer …, 2023 - ACS Publications
Polyaryletherketone (PAEK), an engineering plastic with exceptional mechanical properties
and a high glass transition temperature, can be tailored with various properties to meet the …

A comprehensive characterization of 3D printable poly ether ketone ketone

N Ojha, S Kumar, MR Ramesh, ASS Balan… - Journal of the …, 2024 - Elsevier
The current work focuses on the comprehensive characterization of a 3D printable
biomaterial, polyether ketone ketone (PEKK). The PEKK granules are first characterized and …

Light‐Driven Shape Memory of 3D‐Printed PEEK for Programmable Actuations

X Yang, W Chen, H Liu, B Yang, Y Xie… - Advanced Materials …, 2022 - Wiley Online Library
Remotely controllable actuation of engineering polymers is highly demanded in the fast‐
developing intelligent society. Here, this work demonstrates that the programmable shape …

Shape memory behavior of 4D printed CF/PEKK high temperature composite under subsequent thermomechanical cycles

S Kumar, N Ojha, MR Ramesh, ASS Balan… - Materials Letters, 2024 - Elsevier
Shape memory effect (SME) in high temperature polymers (HTPs) has great significance in
space for making self-deployable structures, needing high strength and stiffness during …

Shape Morphing of 4D-Printed Polylactic Acid Structures under Thermal Stimuli: An Experimental and Finite Element Analysis

G Kostopoulos, K Stamoulis, V Lappas… - Aerospace, 2024 - mdpi.com
This study explores the shape-morphing behavior of 4D-printed structures made from
Polylactic Acid (PLA), a prominent bio-sourced shape-memory polymer. Focusing on the …