Microwave absorbing properties and enhanced infrared reflectance of FeAl mixture synthesized by two-step ball-milling method

Lv, Hualiang; Ji, Guangbin; Li, Xiaoguang; Chang, Xiaofeng; Wang, Min; Zhang, Haiqian; Du, Youwei

doi:10.1016/j.jmmm.2014.08.006

Cited by 50 publications

(13 citation statements)

References 24 publications

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“…Although they have many advantages such as cheap, easily available and simple preparation, the mismatched impedance caused by single component severely limited their practical application. The combination of conductive materials and magnetic materials has been proved as an effective method to solve above issue [ 19 ], whereas the traditional preparation methods such as electrochemical plating [ 20 ], ball-milling [ 21 , 22 ] and impregnation [ 23 ] are only processed at molecular level, which cannot get the MAMs with uniformly component distribution and high porosity. Therefore, designing MAMs with excellent microwave absorption (MA) performance using the effective method is highly desired.…”

Section: Introductionmentioning

confidence: 99%

State of the Art and Prospects in Metal-Organic Framework-Derived Microwave Absorption Materials

et al. 2022

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Microwave has been widely used in many fields, including communication, medical treatment and military industry; however, the corresponding generated radiations have been novel hazardous sources of pollution threating human’s daily life. Therefore, designing high-performance microwave absorption materials (MAMs) has become an indispensable requirement. Recently, metal–organic frameworks (MOFs) have been considered as one of the most ideal precursor candidates of MAMs because of their tunable structure, high porosity and large specific surface area. Usually, MOF-derived MAMs exhibit excellent electrical conductivity, good magnetism and sufficient defects and interfaces, providing obvious merits in both impedance matching and microwave loss. In this review, the recent research progresses on MOF-derived MAMs were profoundly reviewed, including the categories of MOFs and MOF composites precursors, design principles, preparation methods and the relationship between mechanisms of microwave absorption and microstructures of MAMs. Finally, the current challenges and prospects for future opportunities of MOF-derived MAMs are also discussed."Image missing"

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Section: Introductionmentioning

confidence: 99%

State of the Art and Prospects in Metal-Organic Framework-Derived Microwave Absorption Materials

et al. 2022

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“…For example, different types of radar stealth materials have been proposed, such as ordered mesoporous C-MO (M1/4Al, Si, or Ti) nanocomposites [11], [12] or carbon nanotube loaded perovskites with an infrared emissivity of 0.5 [13]. A narrow band microwave absorber of FeAl flake mixtures was fabricated by Lv et al, and the IR emissivity was 0.15 [14]. J.W.…”

Section: Introductionmentioning

confidence: 99%

Hybrid Metasurfaces for Infrared-Multiband Radar Stealth-Compatible Materials Applications

Wang

Pang

et al. 2019

IEEE Access

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The compatible stealth functionality in the infrared (IR) and radar wave bands is the most important research topic in the field of stealth material technology. Here, a new hybrid metasurface (HMS) for infrared-multiband radar stealth-compatible materials was proposed and studied. Two specifically designed metasurface layers that can control the infrared emission and microwave absorption were combined to realize radar and IR bi-stealth. The simulated and experimental results show that the HMS has five strong absorption peaks at f 1 = 6.35, f 2 = 8.38, f 3 = 12.10, f 4 = 15.37 and f 5 = 18.05 GHz. In addition, the emissivity of the proposed HMS is less than 0.32 from 3 to 14 µm and shows low emissivity characteristics in the infrared band. These results demonstrate that the proposal has practical application to multispectral stealth technology. INDEX TERMS Metasurfaces, infrared-radar stealth-compatible, low emission.

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“…Previous research had shown that thin the flaky CIPs could be obtained by high speeding milling on the spherical powders [6,10,11], and the milling process was the one-step milling type. The flaky shape was still an important factor of the absorbing property, the previous study showed that the two-step milling process was proposed to control the milled FeSi particle size and shape [12], although the FeSi particle size was much larger than the CIPs, the milling process could be an potential way on changed the flake size. So, using the two-step milling process on the CIPs could be an effective way of enhancing the particle magnetic property.…”

Section: Introductionmentioning

confidence: 99%

Two-step milling on the carbonyl iron particles and optimizing on the composite absorption

Xu¹,

Yuan²,

Wang³

et al. 2016

Journal of Alloys and Compounds

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The flaky carbonyl iron particles (CIPs) were prepared using a two-step milling process. The surface morphology was characterized by the scanning electron microscopy, the static magnetic property was evaluated on a vibrating sample magnetometer and X-ray diffraction (XRD) patterns were done to analyze the particle crystal grain structure. The complex permittivity and permeability were measured using a vector network analyzer in the frequency range of 2-18GHz. Then Hermite interpolation based on the calculated scattering parameters of the tested composite was used to derive the permittivity and permeability of the composite with random volume content. The results showed that the saturation magnetization value of the flaky CIPs decreased as the CIPs was changed to the flakes by high and low speeding milling. The diffraction peaks of the single α-Fe existed in the XRD pattern of CIPs, and the characteristic peaks was broad and the intensity of the diffraction pattern was lower as the high-speeding milling time increased. The sample H2L20 had the largest particle size, the average diameter was 8.64 μm, the thickness was 0.59 μm according to the fitted aspect ratio 14.65. The derived permittivity and permeability using the Hermite interpolation was accurate compared with the tested result, the deviation was about 0.39+j0.45 and 2.5+j0.51. Finally, the genetic algorithm was used to optimize the thickness of the CIPs composite of a wide absorbing band of 8-18 GHz. The optimized reflection loss (RL) result showed that the absorbing composites with thickness 1.47 mm had an excellent absorbing property (RL<-10 dB) in 8-18 GHz.

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Microwave absorbing properties and enhanced infrared reflectance of FeAl mixture synthesized by two-step ball-milling method

Cited by 50 publications

References 24 publications

State of the Art and Prospects in Metal-Organic Framework-Derived Microwave Absorption Materials

State of the Art and Prospects in Metal-Organic Framework-Derived Microwave Absorption Materials

Hybrid Metasurfaces for Infrared-Multiband Radar Stealth-Compatible Materials Applications

Two-step milling on the carbonyl iron particles and optimizing on the composite absorption

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