Research progress on infrared stealth fabric

Zhou, Xi; Xin, Binjie; Yan, Liu

doi:10.1088/1742-6596/1790/1/012058

Cited by 18 publications

(13 citation statements)

References 3 publications

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“…IR camouflage technology, which can adapt to the IR radiation emitted by the object at mid-IR 3–14 μm, attracts great attention in the modern military, information encryption, and anti-counterfeiting fields. , A low emissivity is pursued to reduce the IR radiation of a target, playing a key role in efficient IR thermal camouflage . As shown in Figure a, all ANF/MXene films exhibit low IR emissivity (<40%) in the mid-IR wavelength range of 3–14 μm.…”

Section: Resultsmentioning

confidence: 99%

“…40,41 A low emissivity is pursued to reduce the IR radiation of a target, playing a key role in efficient IR thermal camouflage. 42 As shown in Figure 3a, all ANF/MXene films exhibit low IR emissivity (<40%) in the mid-IR wavelength range of 3−14 μm. In particular, the ANF/MXene film (HCOOH) exhibits an ultralow IR emissivity of 16% (an average value), responsible for the decent thermal camouflage performances.…”

Section: Infrared Thermal Camouflage Performances Of the Anf/mxenementioning

confidence: 89%

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Revealing Surface/Interface Chemistry of the Ordered Aramid Nanofiber/MXene Structure for Infrared Thermal Camouflage and Electromagnetic Interference Shielding

Dang,

Guo,

Cheng

et al. 2024

ACS Appl. Mater. Interfaces

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The past decade has witnessed the advances of infrared (IR) thermal camouflage materials, but challenges remain in breaking the trade-off nature between emissivity and mechanical properties. In response, we identify the key role of a moderate reprotonation rate in the aramid nanofiber (ANF)/MXene film toward a surface-to-bulk alignment. Theoretical simulation demonstrates that the ordered ANF/MXene surface eliminates the local high electric field by field confinement and localization, responsible for the low IR emissivity. By scrutinizing the surface/ interface chemistry, the processing optimization is achieved to develop an ordered and densely stacked ANF/MXene film, which features a low emissivity of 16%, accounting for sound IR thermal camouflage performances including a wide camouflage temperature range of 50−200 °C, a large reduction in radiation temperature from 200.5 to 63.6 °C, and long-term stability. This design also enables good mechanical performance such as a tensile strength of 190.8 MPa, a toughness of 12.1 MJ m −3 , and a modulus of 7.9 GPa, responsible for better thermal camouflage applications. The tailor-made ANF/MXene film further attains an electromagnetic interference (EMI) shielding effectiveness (40.4 dB) in the X-band, manifesting its promise for IR stealth compatible EMI shielding applications. This work will shed light on the dynamic topology reconstruction of camouflage materials for boosting thermal management technology.

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Section: Resultsmentioning

confidence: 99%

Section: Infrared Thermal Camouflage Performances Of the Anf/mxenementioning

confidence: 89%

Revealing Surface/Interface Chemistry of the Ordered Aramid Nanofiber/MXene Structure for Infrared Thermal Camouflage and Electromagnetic Interference Shielding

Dang,

Guo,

Cheng

et al. 2024

ACS Appl. Mater. Interfaces

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“…151 For radar stealth, MAMs are the core to absorb microwaves to achieve radar stealth. Toward infrared stealth, two main methods are always employed: 152 one is to reduce the infrared emission rate of the target, 153−155 such as the method of attaching a layer of coating on the target; 156 the other is to reduce the temperature of the target, such as the method of attaching a heat insulation layer on the target. 157 Most of the current radar-infrared compatible stealth materials are often three-dimensional (3D) porous materials such as aerogels and foams.…”

Section: Infrared Stealth For Microwave Absorption Materialsmentioning

confidence: 99%

High-Performance Microwave Absorption Materials: Theory, Fabrication, and Functionalization

Zuo,

Jia,

et al. 2023

Ind. Eng. Chem. Res.

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The rapid development of 5G communication technology has led to serious electromagnetic wave pollution, and as a result, it is urgent to develop high-performance microwave absorption materials (MAMs) conducive to reducing electromagnetic pollution, which has great use in both the military and civilian fields. In this review article, we first introduce the absorption theory of microwave absorption materials. Then, the recent research progress in microwave absorption materials categorized as dielectric loss MAMs, magnetic loss MAMs, and electromagnetic synergistic loss MAMs are profoundly reviewed according to absorption mechanism. Subsequently, we proceed to review recent achievements in combining wave absorption with other functions including hydrophobicity, infrared stealth, and selfhealing, aiming at developing advanced multifunctional MAMs adapted to various extreme environments during practical applications. Finally, the challenges are presented, and prospects for potential opportunities in this rapidly blossoming field are discussed accordingly. We hope this critical review is timely, which could provide guidance for those who are committed to designing absorbers with better fundamental understanding and practical application.

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“…However, advanced infrared detection technology can identify objects by contrasting the difference in infrared radiation energy between the objects and the background and ultimately converts the radiant signals to infrared images with color contrasts. , According to the Stefan–Boltzmann law, the radiation energy is proportional to the infrared emissivity and the fourth power to the thermodynamic temperature of the surface, thus all objects with temperatures above 0 K cannot avoid being recognized, even as a master of color-change disguise. Consequently, the integration of visible and infrared camouflage is imperative for preventing targets from discovery.…”

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confidence: 99%

Adaptive and Adjustable MXene/Reduced Graphene Oxide Hybrid Aerogel Composites Integrated with Phase-Change Material and Thermochromic Coating for Synchronous Visible/Infrared Camouflages

Luo

Yang

et al. 2023

ACS Nano

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Although single-function camouflage under infrared/visible bands has made great advances, it is still difficult for camouflage materials to cope with the synergy detection spanning both visible and infrared spectra and adapt to complex and variable scenarios. Herein, a trilayer composite integrating thermal insulation, heat absorption, solar/electro-thermal conversions, and thermochromism is fabricated for visible and infrared dual camouflages by combining anisotropic MXene/reduced graphene oxide hybrid aerogel with the n-octadecane phase change material in its bottom and a thermochromic coating on its upper surface. Benefiting from the synergetic heat-transfer suppression derived from the thermal insulation of the porous aerogel layer and the heat absorption of the n-octadecane phase-change layer, the composite can serve as a cloak to hide the target signatures from the infrared images of its ambient surroundings during the day in the jungle and at night in all scenes and can assist the target in escaping visual surveillance by virtue of its green appearance. For desert scenarios, the composite can spontaneously increase its surface temperature via its solar-thermal energy conversion, merging infrared images of the targets into the high-temperature surroundings; meanwhile, it can vary the surface color from the original green to yellow, enabling the target to visually disappear from ambient sands and hills. This work provides a promising strategy for designing adaptive and adjustable integrated camouflage materials to counter multiband surveillance in complicated environments.

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Research progress on infrared stealth fabric

Cited by 18 publications

References 3 publications

Revealing Surface/Interface Chemistry of the Ordered Aramid Nanofiber/MXene Structure for Infrared Thermal Camouflage and Electromagnetic Interference Shielding

Revealing Surface/Interface Chemistry of the Ordered Aramid Nanofiber/MXene Structure for Infrared Thermal Camouflage and Electromagnetic Interference Shielding

High-Performance Microwave Absorption Materials: Theory, Fabrication, and Functionalization

Adaptive and Adjustable MXene/Reduced Graphene Oxide Hybrid Aerogel Composites Integrated with Phase-Change Material and Thermochromic Coating for Synchronous Visible/Infrared Camouflages

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