Microwave Sintering of Zirconia Materials: Mechanical and Microstructural Properties

被引：56

作者：

Borrell, Amparo ^{[1
]}

Salvador, Maria D. ^{[2
]}

Penaranda-Foix, Felipe L. ^{[3
]}

Catala-Civera, Jose M. ^{[3
]}

机构：

[1] Univ Oviedo, CSIC, CINN, Llanera 33428, Asturias, Spain

[2] Univ Politecn Valencia, ITM, Valencia 46022, Spain

[3] Univ Politecn Valencia, Inst Aplicac Tecnol Informac & Comunicac Avanzada, Valencia 46022, Spain

来源：

INTERNATIONAL JOURNAL OF APPLIED CERAMIC TECHNOLOGY | 2013年 / 10卷 / 02期

关键词：

YTTRIA-STABILIZED ZIRCONIA; MOL-PERCENT YTTRIA; GRAIN-GROWTH; CERAMICS; VARISTORS; ALUMINA; FIELD; GHZ;

D O I：

10.1111/j.1744-7402.2011.02741.x

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：

Commercially, 3mol% Y2O3-stabilized tetragonal zirconia (7090nm) compacts were fabricated using a conventional and a nonconventional sintering technique; microwave heating in a resonant mono-mode cavity at 2.45GHz, at temperatures in the 11001400 degrees C range. A considerable difference in the densification behavior between conventional (CS) and microwave (MW) sintered materials was observed. The MW materials attain a full density of 99.9% of the theoretical density (t.d.) at 1400 degrees C/10min, whereas the CS reach only 98.0% t.d. at the same temperature and 1h of dwelling time. Therefore, the MW materials exhibit superior Vickers hardness values (16.0GPa) when compared with CS (13.4GPa).

引用

页码：313 / 320

页数：8

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