Comparison on Microstructure and Infrared Emissivity Properties of 3D Needled Composites

Fuyuan Wang; Laifei Cheng; Xiaomeng Fan; Xiaowei Yin; Litong Zhang

doi:10.1111/ijac.12284

Comparison on Microstructure and Infrared Emissivity Properties of 3D Needled Composites

Fuyuan Wang, Laifei Cheng, Xiaomeng Fan, Xiaowei Yin, Litong Zhang

Xi'an Jiaotong University

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

3 Scopus citations

Abstract

Three-dimensional (3D) needled composites, C/C, C/C-SiC, and C/SiC, were prepared and their infrared emissivity properties in 1000-1600°C were investigated. Results showed that the infrared emissivity of all composites increased almost linearly with temperatures. In comparison with C/C, C/C-SiC composites reduced by 10% in the total emissivity. Twenty-two vol% SiC in C/C-SiC composites caused a low zone in 10-14 μm, corresponding to the theoretical emissivity of SiC. For C/SiC composites prepared by CVI, 68 vol% SiC caused a "V" shape in the spectral emissivity. The high SiC content also endued the high infrared emissivity properties for C/SiC composites.

Original language	English
Pages (from-to)	846-850
Number of pages	5
Journal	International Journal of Applied Ceramic Technology
Volume	12
Issue number	4
DOIs	https://doi.org/10.1111/ijac.12284
State	Published - 1 Jul 2015
Externally published	Yes

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title = "Comparison on Microstructure and Infrared Emissivity Properties of 3D Needled Composites",

abstract = "Three-dimensional (3D) needled composites, C/C, C/C-SiC, and C/SiC, were prepared and their infrared emissivity properties in 1000-1600°C were investigated. Results showed that the infrared emissivity of all composites increased almost linearly with temperatures. In comparison with C/C, C/C-SiC composites reduced by 10% in the total emissivity. Twenty-two vol% SiC in C/C-SiC composites caused a low zone in 10-14 μm, corresponding to the theoretical emissivity of SiC. For C/SiC composites prepared by CVI, 68 vol% SiC caused a {"}V{"} shape in the spectral emissivity. The high SiC content also endued the high infrared emissivity properties for C/SiC composites.",

author = "Fuyuan Wang and Laifei Cheng and Xiaomeng Fan and Xiaowei Yin and Litong Zhang",

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T1 - Comparison on Microstructure and Infrared Emissivity Properties of 3D Needled Composites

AU - Wang, Fuyuan

AU - Cheng, Laifei

AU - Fan, Xiaomeng

AU - Yin, Xiaowei

AU - Zhang, Litong

PY - 2015/7/1

Y1 - 2015/7/1

N2 - Three-dimensional (3D) needled composites, C/C, C/C-SiC, and C/SiC, were prepared and their infrared emissivity properties in 1000-1600°C were investigated. Results showed that the infrared emissivity of all composites increased almost linearly with temperatures. In comparison with C/C, C/C-SiC composites reduced by 10% in the total emissivity. Twenty-two vol% SiC in C/C-SiC composites caused a low zone in 10-14 μm, corresponding to the theoretical emissivity of SiC. For C/SiC composites prepared by CVI, 68 vol% SiC caused a "V" shape in the spectral emissivity. The high SiC content also endued the high infrared emissivity properties for C/SiC composites.

AB - Three-dimensional (3D) needled composites, C/C, C/C-SiC, and C/SiC, were prepared and their infrared emissivity properties in 1000-1600°C were investigated. Results showed that the infrared emissivity of all composites increased almost linearly with temperatures. In comparison with C/C, C/C-SiC composites reduced by 10% in the total emissivity. Twenty-two vol% SiC in C/C-SiC composites caused a low zone in 10-14 μm, corresponding to the theoretical emissivity of SiC. For C/SiC composites prepared by CVI, 68 vol% SiC caused a "V" shape in the spectral emissivity. The high SiC content also endued the high infrared emissivity properties for C/SiC composites.

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Comparison on Microstructure and Infrared Emissivity Properties of 3D Needled Composites

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