Mechanical properties of graphene platelet-reinforced alumina ceramic composites

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Mechanical properties of graphene platelet-reinforced alumina ceramic composites. / Liu, Jian; Yan, Haixue; Jiang, Kyle.

In: Ceramics International, Vol. 39, No. 6, 01.08.2013, p. 6215-6221.

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@article{037821fd54da4d77acb437ac224d5570,
title = "Mechanical properties of graphene platelet-reinforced alumina ceramic composites",
abstract = "Alumina (Al2O3) ceramic composites reinforced with graphene platelets (GPLs) were prepared using Spark Plasma Sintering. The effects of GPLs on the microstructure and mechanical properties of the Al 2O3 based ceramic composites were investigated. The results show that GPLs are well dispersed in the ceramic matrix. However, overlapping of GPLs and porosity within ceramics are observed. The flexural strength and fracture toughness of the GPL-reinforced Al2O 3 ceramic composites are significantly higher than that of monolithic Al2O3 samples. A 30.75% increase in flexural strength and a 27.20% increase in fracture toughness for the Al2O 3ceramic composites have been achieved by adding GPLs. The toughening mechanisms, such as pull-out and crack deflection induced by GPLs are observed and discussed.",
keywords = "A. Sintering, B. Composites, C. Mechanical properties, C. Toughness and toughening",
author = "Jian Liu and Haixue Yan and Kyle Jiang",
year = "2013",
month = aug,
day = "1",
doi = "10.1016/j.ceramint.2013.01.041",
language = "English",
volume = "39",
pages = "6215--6221",
journal = "Ceramics International",
issn = "0272-8842",
publisher = "Elsevier",
number = "6",

}

RIS

TY - JOUR

T1 - Mechanical properties of graphene platelet-reinforced alumina ceramic composites

AU - Liu, Jian

AU - Yan, Haixue

AU - Jiang, Kyle

PY - 2013/8/1

Y1 - 2013/8/1

N2 - Alumina (Al2O3) ceramic composites reinforced with graphene platelets (GPLs) were prepared using Spark Plasma Sintering. The effects of GPLs on the microstructure and mechanical properties of the Al 2O3 based ceramic composites were investigated. The results show that GPLs are well dispersed in the ceramic matrix. However, overlapping of GPLs and porosity within ceramics are observed. The flexural strength and fracture toughness of the GPL-reinforced Al2O 3 ceramic composites are significantly higher than that of monolithic Al2O3 samples. A 30.75% increase in flexural strength and a 27.20% increase in fracture toughness for the Al2O 3ceramic composites have been achieved by adding GPLs. The toughening mechanisms, such as pull-out and crack deflection induced by GPLs are observed and discussed.

AB - Alumina (Al2O3) ceramic composites reinforced with graphene platelets (GPLs) were prepared using Spark Plasma Sintering. The effects of GPLs on the microstructure and mechanical properties of the Al 2O3 based ceramic composites were investigated. The results show that GPLs are well dispersed in the ceramic matrix. However, overlapping of GPLs and porosity within ceramics are observed. The flexural strength and fracture toughness of the GPL-reinforced Al2O 3 ceramic composites are significantly higher than that of monolithic Al2O3 samples. A 30.75% increase in flexural strength and a 27.20% increase in fracture toughness for the Al2O 3ceramic composites have been achieved by adding GPLs. The toughening mechanisms, such as pull-out and crack deflection induced by GPLs are observed and discussed.

KW - A. Sintering

KW - B. Composites

KW - C. Mechanical properties

KW - C. Toughness and toughening

UR - http://www.scopus.com/inward/record.url?scp=84877711432&partnerID=8YFLogxK

U2 - 10.1016/j.ceramint.2013.01.041

DO - 10.1016/j.ceramint.2013.01.041

M3 - Article

AN - SCOPUS:84877711432

VL - 39

SP - 6215

EP - 6221

JO - Ceramics International

JF - Ceramics International

SN - 0272-8842

IS - 6

ER -