Producing composite materials based on ZrB2, ZrB2-SiC

International Conference and Youth Scientific School on "Materials and Technologies of New Generations in Modern Materials Science"

Mirovoi, Yu A.^1 ; Burlachenko, A.G.^1,3 ; Buyakova, S.P.^1,2,3 ; Sevostiyanova, I.N.^1 ; Kulkov, S.N.^1,2,3

Institute of Strength Physics and Materials Science, SB RAS, 2/4, pr. Akademicheskii, Tomsk

634055, Russia^1

Tomsk Polytechnic University, 30 Lenin Avenue, Tomsk

634050, Russia^2

Tomsk State University, 36 Lenin Avenue, Tomsk

634050, Russia^3

关键词: Hot pressure;    Material densification;    Mechanical treatments;    Planetary ball milling;    SiC ceramics;    Sintered ceramics;    Sintering process;   

Others  :  https://iopscience.iop.org/article/10.1088/1757-899X/156/1/012035/pdf
DOI  :  10.1088/1757-899X/156/1/012035

来源: IOP

【 摘 要 】

The effect of mechanical treatment by planetary ball milling on the properties of hot pressed ZrB2 - SiC ceramics was studied. It has been shown that material densification after mechanical treatment is finished at initial stages of sintering process. Addition of SiC causes a substantial increase in density of the sample to 99% of the theoretical powder containing 20% of silicon carbide, in comparison with samples ZrB2 density not exceeding 76%. It has been shown that all defects which were accumulated during mechanical treatment anneal in hot pressure process and there are no any changes of CDD values in sintered ceramics.