4D printing: technological developments in robotics applications

Khalid, M.Y., Arif, Z.U., Ahmed, W., Umer, R., Zolfagharian, A. and Bodaghi, M. ORCID: 0000-0002-0707-944X, 2022. 4D printing: technological developments in robotics applications. Sensors and Actuators A: Physical, 343: 113670. ISSN 0924-4247

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The idea of four-dimensional (4D) printing is the formation of intricate stimuli-responsive 3D architectures that transform into different forms and shapes upon exposure to environmental stimuli. 4D printing (4DP) of smart/intelligent materials is a promising and novel approach to generate intricate structures for biomedical, food, electronics, textile, and agricultural fields. Nowadays, soft robotics is a growing research field focusing on developing micro/nanoscale 4D-printed robots using intelligent materials. Herein, recent advancements in 4DP of soft robotics, actuators, and grippers are summarized. This review also highlights some recent developments in novel robotics technologies and materials including multi-material printing, electro-, and magneto-active soft materials (MASMs), and metamaterials. It also sheds light on different modeling mechanisms including numerical models and machine learning (ML) models for fabricating highly precise and efficient micro/macro-scaled robots. The applications of shape-memory polymers (SMPs), hydrogels, and liquid crystal elastomers (LCEs)-based 4D-printed soft and intelligent robots in different engineering fields are highlighted. Lastly, this review incorporates current challenges which are hindering the actual utilization of 4D-printed soft robotics and their possible remedies.

Item Type: Journal article
Publication Title: Sensors and Actuators A: Physical
Creators: Khalid, M.Y., Arif, Z.U., Ahmed, W., Umer, R., Zolfagharian, A. and Bodaghi, M.
Publisher: Elsevier
Date: 16 August 2022
Volume: 343
ISSN: 0924-4247
S0924424722003089Publisher Item Identifier
Divisions: Schools > School of Science and Technology
Record created by: Jonathan Gallacher
Date Added: 04 Jul 2022 08:09
Last Modified: 09 Jun 2023 03:00
URI: https://irep.ntu.ac.uk/id/eprint/46545

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