Preparation and properties of alumina/grapheme oxide composite ceramic

被引：0
|
作者：
Hu Y. [1 ]
Xu C. [1 ,2 ]
Xiao G. [2 ]
Yi M. [2 ]
Guo R. [2 ]
机构：
[1] School of Mechanical Engineering, Shandong University, Jinan
[2] School of Mechanical and Automotive Engineering, Qilu University of Technology, Jinan
来源：
Kuei Suan Jen Hsueh Pao/Journal of the Chinese Ceramic Society | 2016年 / 44卷 / 03期
关键词：
Aluminum; Electrostatic self-assembly; Graphene; Mechanical properties;
D O I：
10.14062/j.issn.0454-5648.2016.03.14
中图分类号：
学科分类号：
摘要：
Al2O3/Graphene (Al2O3/GS) composite powders were synthesized by a simple hydrothermal method with Al2O3 as a precursor. This process was based on the electrostatic self-assembly mechanism. This process was based on the electrostatic self-assembly mechanism. The phase composition and microstructure of Al2O3/GS composite powders were characterized by Fourier transform infrared spectroscopy, X-ray diffraction, scanning electronic microscopy and transmission electron microscopy, respectively. Al2O3/GS composite ceramic materials were prepared by a hot-press sintering technology. The influence of GS content on the properties of Al2O3/GS was investigated. In addition, the mechanical properties of Al2O3/GS composite ceramic materials were also measured by an electronic universal testing instrument. It is indicated that the mechanical properties of composites doped with 0.75% graphene exhibit the maximum flexural strength of 460.8 MPa and the fracture toughness of 7.9 MPa·m1/2, respectively. © 2016, Chinese Ceramic Society. All right reserved.
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页码：432 / 437
页数：5
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