Synthesis of SiC-based composites by spark plasma syntering of preceramic papers | Izvestiya vuzov. Fizika. 2021. № 2-2. DOI: 10.17223/00213411/64/2-2/83

Synthesis of SiC-based composites by spark plasma syntering of preceramic papers

The samples of SiC and SiC _f /SiC ceramic matrix composite were obtained by spark plasma sintering of preceramic paper with silicon carbide powder filler. The influence of sintering parameters - temperature, pressure, holding time - on the obtained materials phase composition, structure, and mechanical properties was studied. It was found that an increase in the pressure applied during sintering from 20 to 60 MPa reduces the porosity of the composites from 21.2 to 17.3%, respectively. A high-strength SiC _f /SiC composite with the flexural strength of 430 MPa and Young's modulus of 297 GPa was obtained by sintering of preceramic paper layer-by-layer reinforced with SiC fibers at 2100 °C, 60 MPa for 3 min.

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Keywords

silicon carbide, spark plasma sintering, preceramic paper, continuous fibers, flexural strength

Authors

Name	Organization	E-mail
Sedanova E.P.	National Research Tomsk Polytechnic University	eps4@tpu.ru
Kashkarov E.B.	National Research Tomsk Polytechnic University	ebk@tpu.ru
Syrtanov M.S.	National Research Tomsk Polytechnic University	mss12@tpu.ru
Lider A.M.	National Research Tomsk Polytechnic University	lider@tpu.ru

Всего: 4

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