TY - JOUR
T1 - Influence of silicon carbide fiber (SiCf) type on the electromagnetic microwave absorbing properties of SiCf/epoxy composites
AU - Wang, Hongyu
AU - Zhu, Dongmei
AU - Wang, Xiufeng
AU - Luo, Fa
N1 - Publisher Copyright:
© 2016 Elsevier Ltd
PY - 2017/2/1
Y1 - 2017/2/1
N2 - A comparative investigation of microstructure, mechanical properties, complex permittivity and microwave absorbing properties of two types of SiCf/epoxy composites were investigated. The microstructure of SiCf was characterized by scanning electron microscopy (SEM), X-ray photoelectron spectroscopy (XPS), and Raman spectra techniques. The different microstructure led to different complex permittivity of the composites. The complex permittivity of KD-ISiCf/epoxy composite was larger than their counterparts of SLF-SiCf/epoxy composite while the flexural strength was almost same. The strong interfacial polarization and high electrical conductivity are attributed to the higher complex permittivity of KD-ISiCf/epoxy composite. Though the complex permittivity of KD-ISiCf and SLF-SiCf composites have big difference, the absorbing properties in the X band (8.2–12.4 GHz) were not good due to the impedance degree and attenuation characteristics cannot meet the requirement at the same time.
AB - A comparative investigation of microstructure, mechanical properties, complex permittivity and microwave absorbing properties of two types of SiCf/epoxy composites were investigated. The microstructure of SiCf was characterized by scanning electron microscopy (SEM), X-ray photoelectron spectroscopy (XPS), and Raman spectra techniques. The different microstructure led to different complex permittivity of the composites. The complex permittivity of KD-ISiCf/epoxy composite was larger than their counterparts of SLF-SiCf/epoxy composite while the flexural strength was almost same. The strong interfacial polarization and high electrical conductivity are attributed to the higher complex permittivity of KD-ISiCf/epoxy composite. Though the complex permittivity of KD-ISiCf and SLF-SiCf composites have big difference, the absorbing properties in the X band (8.2–12.4 GHz) were not good due to the impedance degree and attenuation characteristics cannot meet the requirement at the same time.
KW - A. Polymer-matrix composites (PMCs)
KW - B. Electrical properties
KW - B. Mechanical properties
KW - Microwave absorbing properties
UR - http://www.scopus.com/inward/record.url?scp=84995810906&partnerID=8YFLogxK
U2 - 10.1016/j.compositesa.2016.11.006
DO - 10.1016/j.compositesa.2016.11.006
M3 - 文章
AN - SCOPUS:84995810906
SN - 1359-835X
VL - 93
SP - 10
EP - 17
JO - Composites Part A: Applied Science and Manufacturing
JF - Composites Part A: Applied Science and Manufacturing
ER -