USEFULNESS OF SPARK PLASMA SINTERING ON DENSIFICATION AND MECHANICAL-PROPERTIES OF ALUMINA WHISKER ZIRCONIA COMPOSITES

被引：0
|
作者：
KONDOH, I
TANAKA, T
TAMARI, N
机构：
来源：
NIPPON SERAMIKKUSU KYOKAI GAKUJUTSU RONBUNSHI-JOURNAL OF THE CERAMIC SOCIETY OF JAPAN | 1994年 / 102卷 / 05期
关键词：
SPARK PLASMA SINTERING; COMPOSITE CERAMICS; ZIRCONIA; ALUMINA WHISKERS; DENSIFICATION; MECHANICAL PROPERTIES;
D O I：
暂无
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：
Zirconia (3 mol% Y2O3) matrix composites reinforced with 20 vol% alpha-alumina whiskers were prepared by spark plasma sintering (SPS) at 1200 to 1500-degrees-C under 30 MPa for a short holding time of 5 min. The room temperature mechanical properties were measured. The SPS brought about dense alumina whisker/zirconia composites at a sintering temperature lower than that in the hot-pressing process. The composites obtained by SPS had strengths, hardness and fracture toughness higher than those by hot-pressing under the same sintering temperatures. The zirconia matrix grains in the composites prepared by SPS grew larger than those by hot-pressing.
引用
收藏
页码：505 / 507
页数：3
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