Microwave Absorbing Properties of Novel SiC/Cf Composites Containing SiC Array Modified Coating

Zhihong WU; Yue DENG; Zhenzhen MENG; Guoli ZHANG; Luping ZHANG; Yubin WANG

doi:10.15541/jim20200364

Journals >Journal of Inorganic Materials >Volume 36 >Issue 3 >Page 306 > Article

Journal of Inorganic Materials
Vol. 36, Issue 3, 306 (2021)

Microwave Absorbing Properties of Novel SiC/C_f Composites Containing SiC Array Modified Coating

Zhihong WU¹, Yue DENG¹, Zhenzhen MENG¹, Guoli ZHANG¹, Luping ZHANG^1、2, and Yubin WANG³

Author Affiliations

¹1. College of Materials Science and Engineering, Xi'an University of Architecture and Technology, Xi’an 710055, China

²2. State Key Laboratory of Advanced Refractories, Sinosteels Luoyang Institute of Refractories Research Co., Ltd., Luoyang, 471039, China

³3. School of Resources Engineering, Xi’an University of Architecture and Technology, Xi’an 710055, China

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DOI: 10.15541/jim20200364 Cite this Article

Zhihong WU, Yue DENG, Zhenzhen MENG, Guoli ZHANG, Luping ZHANG, Yubin WANG. Microwave Absorbing Properties of Novel SiC/C_f Composites Containing SiC Array Modified Coating[J]. Journal of Inorganic Materials, 2021, 36(3): 306 Copy Citation Text

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1. XRD pattern of SiC/C_f composite

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2. SEM images of SiC/C_f composite

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3. Electromagnetic parameters of SiC/C_f composite

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4. Cole-Cole diagram of SiC/C_f composite

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5. RL diagrams of SiC/C_f composite material

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6. Attenuation coefficient (a) and impedance matching (b) diagram of SiC/C_f composite

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7. Comparison with other similar structural materials

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8. Absorbing mechanism of composite materials

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Composition	NaH₂PO₂/( mol·L^-1)	C₆H₅Na₃O₇·2H₂O/( mol·L^-1)	NiSO₄/( mol·L^-1)	NH₄Cl/( mol·L^-1)	H₂O/mL	Temperature/℃	pH
Process conditions	0.38	0.26	0.15	1.87	200	(90±2)	8-9

Table 1. Basic composition and process conditions of plating solution

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Absorbent material	Thickness/mm	RL_min/dB	Frequency/GHz	Effective absorption bandwidth/GHz	Ref.
SiC_NW	3.00	-17.40	11.20	2.50	[29]
SiC_NW/C_f	2.00	-21.50	7.70	2.40	[30]
SiC_NW-C_f/LAS	3.00	-37.80	7.20	<2.00	[31]
ZnO/C_f	4.35	-33.00	-	5.10	[32]
NiZn ferrite/BC	2.00	-11.00	-	-	[33]
HPC/Fe₃O₄	5.50	-20.10	11.76	~2.00	[34]
SiC/C_f	1.50	-25.16	10.38	2.42	This work
SiC/C_f	1.80	-40.66	8.31	1.11	This work

Table 2. Comparison between SiC/C_f composite and other similar structural materials

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