The influence of ZrB<sub>2</sub>-SiC powders mechanical treatment on the structure of sintered ceramic composites

Abstract

The effect of mechanical treatment by planetary ball milling on the properties of hot pressed ZrB₂ - SiC ceramics was studied. It was shown that material densification after mechanical treatment is finished at initial stages of sintering process. Addition of SiC leads to an essential increase of sample density to 99% of theoretically achievable for powder with 2% of SiC, as compared with ZrB2 with the density less than 76%. It was demonstrated that all defects that were accumulated during mechanical treatment are annealed during hot pressing, and there are no changes of CDD values in sintered ceramics.

Original language	English
Article number	012006
Journal	IOP Conference Series: Materials Science and Engineering
Volume	140
Issue number	1
DOIs	https://doi.org/10.1088/1757-899X/140/1/012006
Publication status	Published - 8 Aug 2016
Event	International Seminar on Interdisciplinary Problems in Additive Technologies - Tomsk, Russian Federation Duration: 16 Dec 2015 → 17 Dec 2015

ASJC Scopus subject areas

Materials Science(all)
Engineering(all)

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10.1088/1757-899X/140/1/012006

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title = "The influence of ZrB2-SiC powders mechanical treatment on the structure of sintered ceramic composites",

abstract = "The effect of mechanical treatment by planetary ball milling on the properties of hot pressed ZrB2 - SiC ceramics was studied. It was shown that material densification after mechanical treatment is finished at initial stages of sintering process. Addition of SiC leads to an essential increase of sample density to 99% of theoretically achievable for powder with 2% of SiC, as compared with ZrB2 with the density less than 76%. It was demonstrated that all defects that were accumulated during mechanical treatment are annealed during hot pressing, and there are no changes of CDD values in sintered ceramics.",

author = "S. Buyakova and A. Burlachenko and Yu Mirovoi and I. Sevostiyanova and S. Kulkov",

year = "2016",

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T1 - The influence of ZrB2-SiC powders mechanical treatment on the structure of sintered ceramic composites

AU - Buyakova, S.

AU - Burlachenko, A.

AU - Mirovoi, Yu

AU - Sevostiyanova, I.

AU - Kulkov, S.

PY - 2016/8/8

Y1 - 2016/8/8

N2 - The effect of mechanical treatment by planetary ball milling on the properties of hot pressed ZrB2 - SiC ceramics was studied. It was shown that material densification after mechanical treatment is finished at initial stages of sintering process. Addition of SiC leads to an essential increase of sample density to 99% of theoretically achievable for powder with 2% of SiC, as compared with ZrB2 with the density less than 76%. It was demonstrated that all defects that were accumulated during mechanical treatment are annealed during hot pressing, and there are no changes of CDD values in sintered ceramics.

AB - The effect of mechanical treatment by planetary ball milling on the properties of hot pressed ZrB2 - SiC ceramics was studied. It was shown that material densification after mechanical treatment is finished at initial stages of sintering process. Addition of SiC leads to an essential increase of sample density to 99% of theoretically achievable for powder with 2% of SiC, as compared with ZrB2 with the density less than 76%. It was demonstrated that all defects that were accumulated during mechanical treatment are annealed during hot pressing, and there are no changes of CDD values in sintered ceramics.

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