Effects of multi-components on the microwave absorption and dielectric properties of plasma-sprayed carbon nanotube/y2o3/zrb2 ceramics

Rong Li; Yuchang Qing

doi:10.3390/nano11102640

Effects of multi-components on the microwave absorption and dielectric properties of plasma-sprayed carbon nanotube/y2o3/zrb2 ceramics

Rong Li, Yuchang Qing

School of Materials Sience and Engineering

Xi'an Research Institute of High Technology

Research output: Contribution to journal › Article › peer-review

5 Scopus citations

Abstract

Carbon nanotube (CNT)-reinforced Y2O3/ZrB2 ceramics were fabricated via planetary ball milling and atmospheric-pressure plasma spraying for the first time. The phase composition, micromorphology, and electromagnetic (EM) wave absorption performance of the Y2O3/ZrB2/CNT hybrid was investigated from 8.2 to 12.4 GHz. Both the real and imaginary parts of the complex permittivity were enhanced as the ZrB2 and CNT content increased. The Y2O3/ZrB2/CNT hybrids corresponded to a ZrB2 content of 15 wt.%, and the CNT content was 2 wt.% and showed an ex-ceptional EM wave absorption capability, with a minimum reflection loss of −25.7 dB at 1.9 mm thickness, and the effective absorption band was in a full X-band. These results indicate that an appropriate CNT or ZrB2 content can tune the complex permittivity and absorption performance of the Y2O3/ZrB2/CNT ceramics.

Original language	English
Article number	2640
Journal	Nanomaterials
Volume	11
Issue number	10
DOIs	https://doi.org/10.3390/nano11102640
State	Published - Oct 2021

Keywords

Dielectric property
Microwave absorption
Plasma spraying
Y2O3/ZrB2/CNT ceramics

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title = "Effects of multi-components on the microwave absorption and dielectric properties of plasma-sprayed carbon nanotube/y2o3/zrb2 ceramics",

abstract = "Carbon nanotube (CNT)-reinforced Y2O3/ZrB2 ceramics were fabricated via planetary ball milling and atmospheric-pressure plasma spraying for the first time. The phase composition, micromorphology, and electromagnetic (EM) wave absorption performance of the Y2O3/ZrB2/CNT hybrid was investigated from 8.2 to 12.4 GHz. Both the real and imaginary parts of the complex permittivity were enhanced as the ZrB2 and CNT content increased. The Y2O3/ZrB2/CNT hybrids corresponded to a ZrB2 content of 15 wt.%, and the CNT content was 2 wt.% and showed an ex-ceptional EM wave absorption capability, with a minimum reflection loss of −25.7 dB at 1.9 mm thickness, and the effective absorption band was in a full X-band. These results indicate that an appropriate CNT or ZrB2 content can tune the complex permittivity and absorption performance of the Y2O3/ZrB2/CNT ceramics.",

keywords = "Dielectric property, Microwave absorption, Plasma spraying, Y2O3/ZrB2/CNT ceramics",

author = "Rong Li and Yuchang Qing",

note = "Publisher Copyright: {\textcopyright} 2021 by the authors. Licensee MDPI, Basel, Switzerland.",

year = "2021",

month = oct,

doi = "10.3390/nano11102640",

language = "英语",

volume = "11",

journal = "Nanomaterials",

issn = "2079-4991",

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TY - JOUR

T1 - Effects of multi-components on the microwave absorption and dielectric properties of plasma-sprayed carbon nanotube/y2o3/zrb2 ceramics

AU - Li, Rong

AU - Qing, Yuchang

PY - 2021/10

Y1 - 2021/10

N2 - Carbon nanotube (CNT)-reinforced Y2O3/ZrB2 ceramics were fabricated via planetary ball milling and atmospheric-pressure plasma spraying for the first time. The phase composition, micromorphology, and electromagnetic (EM) wave absorption performance of the Y2O3/ZrB2/CNT hybrid was investigated from 8.2 to 12.4 GHz. Both the real and imaginary parts of the complex permittivity were enhanced as the ZrB2 and CNT content increased. The Y2O3/ZrB2/CNT hybrids corresponded to a ZrB2 content of 15 wt.%, and the CNT content was 2 wt.% and showed an ex-ceptional EM wave absorption capability, with a minimum reflection loss of −25.7 dB at 1.9 mm thickness, and the effective absorption band was in a full X-band. These results indicate that an appropriate CNT or ZrB2 content can tune the complex permittivity and absorption performance of the Y2O3/ZrB2/CNT ceramics.

AB - Carbon nanotube (CNT)-reinforced Y2O3/ZrB2 ceramics were fabricated via planetary ball milling and atmospheric-pressure plasma spraying for the first time. The phase composition, micromorphology, and electromagnetic (EM) wave absorption performance of the Y2O3/ZrB2/CNT hybrid was investigated from 8.2 to 12.4 GHz. Both the real and imaginary parts of the complex permittivity were enhanced as the ZrB2 and CNT content increased. The Y2O3/ZrB2/CNT hybrids corresponded to a ZrB2 content of 15 wt.%, and the CNT content was 2 wt.% and showed an ex-ceptional EM wave absorption capability, with a minimum reflection loss of −25.7 dB at 1.9 mm thickness, and the effective absorption band was in a full X-band. These results indicate that an appropriate CNT or ZrB2 content can tune the complex permittivity and absorption performance of the Y2O3/ZrB2/CNT ceramics.

KW - Dielectric property

KW - Microwave absorption

KW - Plasma spraying

KW - Y2O3/ZrB2/CNT ceramics

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U2 - 10.3390/nano11102640

DO - 10.3390/nano11102640

M3 - 文章

AN - SCOPUS:85116500797

SN - 2079-4991

VL - 11

JO - Nanomaterials

JF - Nanomaterials

IS - 10

M1 - 2640

ER -

Effects of multi-components on the microwave absorption and dielectric properties of plasma-sprayed carbon nanotube/y2o3/zrb2 ceramics

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