$Deformation and fracture of alumina ceramics with hierarchical porosity; Journal of Silicate Based and Composite Materials; Vol. 70, No. 1$

Deformation and fracture of alumina ceramics with hierarchical porosity; Journal of Silicate Based and Composite Materials; Vol. 70, No. 1

書誌詳細
Parent link:	Journal of Silicate Based and Composite Materials Vol. 70, No. 1.— 2018.— [P. 18-22]
団体著者:	Национальный исследовательский Томский политехнический университет Инженерная школа новых производственных технологий Отделение материаловедения
その他の著者:	Grigoriev M. V. Mikhail Vladimirovich, Savchenko N. L. Nikolay Leonidovich, Sablina T. Yu. Tatjyana Yurjevna, Kurovich E. Emes, Sevostjyanova I. N. Irina Nikolaevna, Buyakova S. P. Svetlana Petrovna, Gomze L. A. Laszlo Antal, Kulkov S. N. Sergey Nikolaevich
要約:	Title screen The compression behavior of Al2O3 ceramics with a hierarchical pore structure was studied. The hierarchical pore structure included the pores of three types: coarse porosity with a size of 80 to 100 μm, fine porosity with a size of 14 to 15 [mu]m, and intermediate interblock porosity comprised of elongated (110-120 [mu]m) porous microchannels formed as a result of zonal isolation during sintering. It is shown that the obtained hierarchical porous structure causes the formation of a hierarchical deformation structure in the volume of ceramics and leads to a decrease in the extent of destruction processes from the macroscopic scale in the case of unimodal ceramics to the microscale destruction comparable with the sizes of the blocks formed during sintering. At fixed values of the pore space, the studied ceramics with hierarchical pore structure shows a noticeably higher compressive strength as compared to the ceramics with a unimodal porosity.
言語:	英語
出版事項:	2018
主題:	электронный ресурс труды учёных ТПУ deformation fracture pore ceramic alumina деформации разрушения пористая керамика оксид алюминия пористость
オンライン･アクセス:	http://epitoanyag.org.hu/static/upload/10.14382_epitoanyag-jsbcm.2018.4.pdf
フォーマット:	電子媒体図書の章
KOHA link:	https://koha.lib.tpu.ru/cgi-bin/koha/opac-detail.pl?biblionumber=665828

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