Spark plasma sintering of ceramic matrix composite based on alumina, reinforced by carbon nanotubes; IOP Conference Series: Materials Science and Engineering; Vol. 286 : Modern Technologies and Materials of New Generations (MTMNG-2017)

Spark plasma sintering of ceramic matrix composite based on alumina, reinforced by carbon nanotubes

Bibliographische Detailangaben
Parent link:IOP Conference Series: Materials Science and Engineering
Vol. 286 : Modern Technologies and Materials of New Generations (MTMNG-2017).— 2018.— [012034, 6 p.]
Körperschaften: Национальный исследовательский Томский политехнический университет, Национальный исследовательский Томский политехнический университет (ТПУ) Инженерная школа новых производственных технологий (ИШНПТ) Отделение материаловедения (ОМ)
Weitere Verfasser: Leonov A. A. Andrey Andreevich, Khasanov A. O. Aleksey Olegovich, Danchenko V. A., Khasanov O. L. Oleg Leonidovich
Zusammenfassung:Title screen
Alumina composites reinforced with 3 vol.% multi-walled carbon nanotubes (MWCNTs) were prepared by spark plasma sintering (SPS). The influence of sintering temperature (1400-1600 °C) on the composites microstructure and mechanical properties was investigated. Microstructure observations of the composite shows that some CNTs site along alumina grains boundary, while others embed into the alumina grains and shows that CNTs bonded strongly with the alumina matrix contributing to fracture toughness and microhardness increase. MWCNTs reinforcing mechanisms including CNT pull-out and crack deflection were directly observed by scanning electron microscope (SEM). For Al[2]O[3]/CNT composite sintered at 1600 °C, fracture toughness and microhardness are 4.93 MPa•m{1/2} and 23.26 GPa respectively.
Sprache:Englisch
Veröffentlicht: 2018
Schlagworte:
электронный ресурс
труды учёных ТПУ
спекание
искровое плазменное спекание
керамические композиты
оксиды алюминия
углеродные нанотрубки
микроструктуры
механические свойства
микротвердость
Online-Zugang:http://dx.doi.org/10.1088/1757-899X/286/1/012034
http://earchive.tpu.ru/handle/11683/46338
Format: Elektronisch Buchkapitel
KOHA link:https://koha.lib.tpu.ru/cgi-bin/koha/opac-detail.pl?biblionumber=657465
Beschreibung
Zusammenfassung:Title screen
Alumina composites reinforced with 3 vol.% multi-walled carbon nanotubes (MWCNTs) were prepared by spark plasma sintering (SPS). The influence of sintering temperature (1400-1600 °C) on the composites microstructure and mechanical properties was investigated. Microstructure observations of the composite shows that some CNTs site along alumina grains boundary, while others embed into the alumina grains and shows that CNTs bonded strongly with the alumina matrix contributing to fracture toughness and microhardness increase. MWCNTs reinforcing mechanisms including CNT pull-out and crack deflection were directly observed by scanning electron microscope (SEM). For Al[2]O[3]/CNT composite sintered at 1600 °C, fracture toughness and microhardness are 4.93 MPa•m{1/2} and 23.26 GPa respectively.
DOI:10.1088/1757-899X/286/1/012034

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