Hybrid 4D printing of flexible multifunctional composites by multi jet fusion and direct ink writing

IF 31.6 1区材料科学 Q1 MATERIALS SCIENCE, MULTIDISCIPLINARY

Materials Science and Engineering: R: Reports Pub Date : 2024-12-05 DOI:10.1016/j.mser.2024.100890

Mei Chen , Ran An , Frédéric Demoly , Hang Jerry Qi , Kun Zhou

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引用次数: 0

Abstract

Four-dimensional (4D) printing, which integrates additive manufacturing with smart materials, facilitates the fabrication of adaptive structures featuring dynamic properties and customizable geometries. However, the incorporation of multiple smart materials for multifunctional devices remains limited. Herein, this work reports a novel hybrid 4D printing technique that uniquely combines multi jet fusion (MJF) and direct ink writing (DIW) to develop multifunctional liquid crystal elastomer–shape memory polymer (LCE-SMP) composites. The unprecedented utilization of MJF in 4D printing allows the rapid fabrication of SMPs with a tunable electric conductivity distribution, while DIW subsequently prints LCEs with programmable mesogen alignment onto the MJF-printed SMPs. The resulting hybrid-4D-printed LCE-SMP composites not only exhibited diverse temporary configurations that remained stable without continuous stimuli but also possessed reversible photo-actuation with high output power, enabling diverse bio-inspired dynamic structure evolution and remote on-demand object manipulation. Simultaneously, the LCE-SMP composites demonstrated robust self-sensing capabilities during actuation tasks, providing real-time feedback on device performance and operational status. This work introduces a novel concept for designing and fabricating multifunctional materials to advance the field of intelligent devices.

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来源期刊

Materials Science and Engineering: R: Reports 工程技术-材料科学：综合

CiteScore

60.50

自引率

0.30%

发文量

审稿时长

34 days

期刊介绍： Materials Science & Engineering R: Reports is a journal that covers a wide range of topics in the field of materials science and engineering. It publishes both experimental and theoretical research papers, providing background information and critical assessments on various topics. The journal aims to publish high-quality and novel research papers and reviews. The subject areas covered by the journal include Materials Science (General), Electronic Materials, Optical Materials, and Magnetic Materials. In addition to regular issues, the journal also publishes special issues on key themes in the field of materials science, including Energy Materials, Materials for Health, Materials Discovery, Innovation for High Value Manufacturing, and Sustainable Materials development.