金字塔型磁性碳复合材料装置，实现可调和自适应雷达可见光兼容特性

IF 10.5 2区材料科学 Q1 CHEMISTRY, PHYSICAL

Carbon Pub Date : 2024-10-21 DOI:10.1016/j.carbon.2024.119737

Shennan Guo, Shujuan Tan, Ximing Zhang, Xinghan Huang, Guangbin Ji

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引用次数: 0

摘要

具备智能可调的电磁-可见光兼容特性在军事隐身领域具有重要意义。本研究以羟基化碳纳米管（CNTOH）和羰基铁粉（CIP）为活性成分，利用 4D 打印技术制备了一种基于聚乳酸（PLA）热刺激的可调微波吸收和可见光变化超材料。合成的打印丝具有优异的吸收性能，带宽达 5.83 GHz，并具有足够的形状恢复能力。在此基础上，还制造了以温度为主的形状记忆变化锥装置，并喷涂了可见光变色涂层。微波吸收性能随花瓣角度的变化而调整，实现了 5.9-9.8 GHz 的带宽变化。这项工作证实了所设计的形状记忆聚合物在微波吸收领域的潜在探索价值，为设计智能可控隐形材料提供了无限可能。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

Pyramid-like magnetic carbon composites device toward tunable and adaptive radar-visible compatible properties

查看原文本刊更多论文

Pyramid-like magnetic carbon composites device toward tunable and adaptive radar-visible compatible properties

Equipped with intelligent adjustable electromagnetic-visible light compatibility characteristics is of significant importance in military stealth fields. In this work, a tunable microwave absorption and visible light change metamaterial based on polylactic acid (PLA) thermal stimulation was fabricated using 4D printing technology with hydroxylated carbon nanotubes (CNTOH) and carbonyl iron powder (CIP) as active ingredients. The printing filament was synthesized, which exhibited excellent absorption performance with a bandwidth of 5.83 GHz and sufficient shape recovery ability. On this basis, a temperature-dominated shape memory variation cone device was also manufactured and the visible light color-changing coating was sprayed. The microwave absorption performance is adjusted according to the petal angle, achieving a bandwidth variation of 5.9–9.8 GHz. This work confirms the potential exploratory value of the designed shape memory polymer in the field of microwave absorption, and provides unlimited possibilities for designing intelligent controlled stealth materials.

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来源期刊

Carbon 工程技术-材料科学：综合

CiteScore

20.80

自引率

7.30%

发文量

审稿时长

23 days

期刊介绍： The journal Carbon is an international multidisciplinary forum for communicating scientific advances in the field of carbon materials. It reports new findings related to the formation, structure, properties, behaviors, and technological applications of carbons. Carbons are a broad class of ordered or disordered solid phases composed primarily of elemental carbon, including but not limited to carbon black, carbon fibers and filaments, carbon nanotubes, diamond and diamond-like carbon, fullerenes, glassy carbon, graphite, graphene, graphene-oxide, porous carbons, pyrolytic carbon, and other sp2 and non-sp2 hybridized carbon systems. Carbon is the companion title to the open access journal Carbon Trends. Relevant application areas for carbon materials include biology and medicine, catalysis, electronic, optoelectronic, spintronic, high-frequency, and photonic devices, energy storage and conversion systems, environmental applications and water treatment, smart materials and systems, and structural and thermal applications.