Effect of TiC addition on the mechanical behaviour of Al2O3-SiC whiskers composites obtained by SPS

被引：40
|
作者：
Gutierrez-Gonzalez, C. F. [1 ,2 ]
Suarez, M. [1 ,2 ]
Pozhidaev, S. [3 ]
Rivera, S. [1 ]
Peretyagin, P. [3 ]
Solis, W. [3 ]
Diaz, L. A. [2 ]
Fernandez, A. [2 ]
Torrecillas, R. [2 ,3 ]
机构：
[1] Nanoker Res, Pol Ind Olloniego, Parcela 22A,Nave 5, Oviedo 33660, Spain
[2] Univ Oviedo, CSIC, Nanomat & Nanotechnol Res Ctr CINN, El Entrego 33940, Principado De A, Spain
[3] Moscow State Univ Technol STANKIN, Vadkovskiy Per 1, Moscow 127994, Russia
来源：
JOURNAL OF THE EUROPEAN CERAMIC SOCIETY | 2016年 / 36卷 / 08期
关键词：
SPS; Cutting tools; Mechanical properties; Composites; GRAIN-GROWTH;
D O I：
10.1016/j.jeurceramsoc.2016.01.050
中图分类号：
TQ174 [陶瓷工业]; TB3 [工程材料学];
学科分类号：
0805 ; 080502 ;
摘要：
Large Al2O3-SiCw and Al2O3-SiCw-TiC composites disks (150 mm diameter) were prepared in this work by using the spark plasma sintering technique. The main physical and mechanical properties of these composites were measured in different disk zones in order to test out the homogeneity of the sintering process. It has been found that the incorporation of TiC as reinforcing phase to the Al2O3-SiCw composite, improved densification, mechanical strength and hardness. This result was analyzed in terms of SEM microstructure observations showing that the presence of TiC inhibited the alumina grain growth. (C) 2016 Elsevier Ltd. All rights reserved.
引用
收藏
页码：2149 / 2152
页数：4
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