In Situ Construction of TiC-Ti3SiC2 Gradient Hybrid Interphase Coated SiC Fibers for Suppression of Specular Reflection and Non-Specular Scattering

Haitang Yang; Yinrui Li; Heng Luo; Yangjun Zou; Jun He

doi:10.3390/ma16010292

In Situ Construction of TiC-Ti₃SiC₂ Gradient Hybrid Interphase Coated SiC Fibers for Suppression of Specular Reflection and Non-Specular Scattering

Materials (Basel). 2022 Dec 28;16(1):292. doi: 10.3390/ma16010292.

Authors

Haitang Yang¹, Yinrui Li¹, Heng Luo², Yangjun Zou³, Jun He³

Affiliations

¹ Chengdu Aircraft Industrial (Group) Co., Ltd., Chengdu 610092, China.
² School of Physics and Electronics, Central South University, Changsha 410083, China.
³ State Key Laboratory of Powder Metallury, Central South University, Changsha 410083, China.

Abstract

TiC-Ti₃SiC₂ gradient hybrid interphase on the surface of SiC fibers was successfully obtained through the molten salt method. The electromagnetic parameters of the prepared samples can be accurately controlled by adjusting the reaction temperature. A significant bimodal effect is observed in electromagnetic parameters patterns, corresponding to the double interface layer. TiC-Ti₃SiC₂ gradient hybrid interphase plays a dominant role in impedance matching, as well as in the attenuation layer through multi-interfacial polarization and conduction loss. Through the co-evaluation of the suppression of specular reflection and non-specular scattering properties of the samples, the SiC fiber with the TiC-Ti₃SiC₂ gradient hybrid interphase is expected to be a high temperature resistant radar absorbing material for future stealth aircraft.

Keywords: SiC fibers; Ti3SiC2; molten salt; multilayer coating; non-specular scattering; specular reflection.

Abstract

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