Funct. Mater. 2020; 27 (1): 35-38.

doi:https://doi.org/10.15407/fm27.01.35

Mechanical properties of laminated ZrB2-SiC/SiCw ceramics

Yupeng Xie, Yuxiang Wang, XianDe Wang

College of Science, Jilin Institute of Chemical Technology, 132022 Jilin, P.R. China

Abstract: 

The mechanical properties of ZrB2-SiC/SiCw layered ceramics obtained by strip casting and hot pressing are studied. In the ceramics, ZrB2-SiC layers and ZrB2-SiCw layers alternate. The bending strength and fracture toughness of the ceramics can reach 360 MPa and 10.83 MPa·m1/2, respectively. It is shown that, compared with ZrB2-SiC monolithic ceramics, the improvement in fracture toughness is explained by SiC whiskers and layered structure.

Keywords: 
laminated structure, ZrB<sub>2</sub>, SiC<sub>w</sub>, mechanical properties.

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