A glass coating for SiC fiber reinforced aluminum phosphate matrix (SiCf/AlPO4) composites for high-temperature absorbing wave applications

Feng Wan; Fa Luo; Yingying Zhou; Wancheng Zhou; Dongmei Zhu

doi:10.1016/j.surfcoat.2015.01.044

A glass coating for SiC fiber reinforced aluminum phosphate matrix (SiC_f/AlPO₄) composites for high-temperature absorbing wave applications

Feng Wan, Fa Luo, Yingying Zhou, Wancheng Zhou, Dongmei Zhu

School of Materials Sience and Engineering

Northwestern Polytechnical University Xian

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

23 Scopus citations

Abstract

A single-layer radar-absorbing structure in the X-band (8.2GHz to 12.4GHz) was fabricated by blending conductive carbon black (CB) with the binder matrix of SiC_f/AlPO₄ composites. An oxidation protective glass coating was prepared on SiC_f/AlPO₄ composites using a simple and low-cost slurry technique. Oxidation test shows that, after oxidation in air at 1273K for 50h, the three-point bending strength of coated SiC_f/AlPO₄ composites keeps up to 200MPa, and the complex permittivity has little difference with the as-received sample. By simulating the reflection loss, it was found that -10dB absorbing bandwidth can be more than 3GHz for oxidation test-coated SiC_f/AlPO₄ composites in the range of 2.8mm to 3.2mm thickness.

Original language	English
Pages (from-to)	9-16
Number of pages	8
Journal	Surface and Coatings Technology
Volume	264
DOIs	https://doi.org/10.1016/j.surfcoat.2015.01.044
State	Published - 25 Feb 2015

Keywords

Coating
Dielectric property
Oxidation
SiC/AlPO composites

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10.1016/j.surfcoat.2015.01.044

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title = "A glass coating for SiC fiber reinforced aluminum phosphate matrix (SiCf/AlPO4) composites for high-temperature absorbing wave applications",

abstract = "A single-layer radar-absorbing structure in the X-band (8.2GHz to 12.4GHz) was fabricated by blending conductive carbon black (CB) with the binder matrix of SiCf/AlPO4 composites. An oxidation protective glass coating was prepared on SiCf/AlPO4 composites using a simple and low-cost slurry technique. Oxidation test shows that, after oxidation in air at 1273K for 50h, the three-point bending strength of coated SiCf/AlPO4 composites keeps up to 200MPa, and the complex permittivity has little difference with the as-received sample. By simulating the reflection loss, it was found that -10dB absorbing bandwidth can be more than 3GHz for oxidation test-coated SiCf/AlPO4 composites in the range of 2.8mm to 3.2mm thickness.",

keywords = "Coating, Dielectric property, Oxidation, SiC/AlPO composites",

author = "Feng Wan and Fa Luo and Yingying Zhou and Wancheng Zhou and Dongmei Zhu",

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T1 - A glass coating for SiC fiber reinforced aluminum phosphate matrix (SiCf/AlPO4) composites for high-temperature absorbing wave applications

AU - Wan, Feng

AU - Luo, Fa

AU - Zhou, Yingying

AU - Zhou, Wancheng

AU - Zhu, Dongmei

PY - 2015/2/25

Y1 - 2015/2/25

N2 - A single-layer radar-absorbing structure in the X-band (8.2GHz to 12.4GHz) was fabricated by blending conductive carbon black (CB) with the binder matrix of SiCf/AlPO4 composites. An oxidation protective glass coating was prepared on SiCf/AlPO4 composites using a simple and low-cost slurry technique. Oxidation test shows that, after oxidation in air at 1273K for 50h, the three-point bending strength of coated SiCf/AlPO4 composites keeps up to 200MPa, and the complex permittivity has little difference with the as-received sample. By simulating the reflection loss, it was found that -10dB absorbing bandwidth can be more than 3GHz for oxidation test-coated SiCf/AlPO4 composites in the range of 2.8mm to 3.2mm thickness.

AB - A single-layer radar-absorbing structure in the X-band (8.2GHz to 12.4GHz) was fabricated by blending conductive carbon black (CB) with the binder matrix of SiCf/AlPO4 composites. An oxidation protective glass coating was prepared on SiCf/AlPO4 composites using a simple and low-cost slurry technique. Oxidation test shows that, after oxidation in air at 1273K for 50h, the three-point bending strength of coated SiCf/AlPO4 composites keeps up to 200MPa, and the complex permittivity has little difference with the as-received sample. By simulating the reflection loss, it was found that -10dB absorbing bandwidth can be more than 3GHz for oxidation test-coated SiCf/AlPO4 composites in the range of 2.8mm to 3.2mm thickness.

KW - Coating

KW - Dielectric property

KW - Oxidation

KW - SiC/AlPO composites

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DO - 10.1016/j.surfcoat.2015.01.044

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SN - 0257-8972

VL - 264

SP - 9

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JO - Surface and Coatings Technology

JF - Surface and Coatings Technology

ER -

A glass coating for SiC fiber reinforced aluminum phosphate matrix (SiC_f/AlPO₄) composites for high-temperature absorbing wave applications

Abstract

Keywords

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