Pulsed electric current sintering of electrically conductive ceramics

被引：0
|
作者：
K. Vanmeensel
S. G. Huang
A. Laptev
S. A. Salehi
A. K. Swarnakar
O. Van der Biest
J. Vleugels
机构：
[1] K.U.Leuven,Department of Metallurgy and Materials Engineering (MTM)
[2] Donbass State Engineering Academy,Department of Mechanical Engineering
来源：
Journal of Materials Science | 2008年 / 43卷
关键词：
Fracture Toughness; Electrical Discharge Machine; Densification Behaviour; Sinter Powder Compact; Bead Milling;
D O I：
暂无
中图分类号：
学科分类号：
摘要：
The processing of yttria-stabilised zirconia (Y-ZrO2)-based ceramic nanocomposites by means of pulsed electric current sintering (PECS) is described. A nanometer-sized electrically conductive secondary TiCN phase was added to the insulating zirconia matrix in order to make the composite electrically conductive. The paper focuses on the importance of processing conditions and highlights the benefits of the PECS method as compared to more traditional hot pressing. The mechanical and microstructural properties of the ZrO2–TiCN composites have been determined, and the benefits of using an electrical current to densify these composites were explained in terms of the evolution of the electrical properties of the densifying powder compact.
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页码：6435 / 6440
页数：5
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