Please use this identifier to cite or link to this item: http://earchive.tpu.ru/handle/11683/36539
Title: Effects of transient thermal shock loadings on the structure of zirconia ceramics
Authors: Derkach, E. A.
Buyakova, Svetlana Petrovna
Kulkov, Sergey Nikolaevich
Keywords: тепловые нагрузки; ударные нагрузки; циркониевая керамика; микроструктуры; фазовые превращения; фазовые составы; рентгеновское рассеяние
Issue Date: 2016
Publisher: IOP Publishing
Citation: Derkach E. A. Effects of transient thermal shock loadings on the structure of zirconia ceramics / E. A. Derkach, S. P. Buyakova, S. N. Kulkov // IOP Conference Series: Materials Science and Engineering. — 2016. — Vol. 156 : Materials and Technologies of New Generations in Modern Materials Science : International Conference and Youth Scientific School, 9–11 June 2016, Tomsk, Russia : [proceedings]. — [012029, 5 p.].
Abstract: In this paper the influence of thermal shock loadings on the phase composition and microstructure of ZrO[2](Y[2]O[3]) and ZrO[2](MgO) ceramics was studied. It was found that thermal shock strains were no effect on phase composition of ZrO[2](Y[2]O[3]) ceramics. Reducing the concentration of high-temperature tetragonal t-ZrO[2] and cubic c-ZrO[2] modifications and rising the content of low-temperature monoclinic m-ZrO[2] crystal system with increasing the number of thermal shock strains were observed. The values of region coherent X-ray scattering of ZrO[2](Y[2]O[3]) ceramics didn't changed, while the crystallite size of ZrO[2](MgO) ceramics decreased. The formation of block structure in all studied ceramics was observed, the sizes of the blocks formed in the ZrO[2](Y[2]O[3]) and ZrO[2](MgO) ceramics were slightly different. The formation of the blocks in ZrO[2](Y[2]O[3]) ceramics occurred on the grain boundaries, while the crystallites in ZrO[2](MgO) ceramics were crushed due to phase transformation.
URI: http://earchive.tpu.ru/handle/11683/36539
Appears in Collections:Материалы конференций

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