Preparation and mechanical properties of SiCw-Al2O3-YAG ceramic composite by hot oscillatory pressing

被引：17
作者：
Yang, Shoulei [1 ]
Zhu, Yinxiao [1 ]
Fan, Lei [1 ]
Yang, Sirui [1 ]
Zhang, Mengwen [1 ]
An, Linan [2 ]
机构：
[1] Zhengzhou Univ Aeronaut, Sch Mat Sci & Engn, Zhengzhou 450046, Peoples R China
[2] Univ Cent Florida, Dept Mat Sci & Engn, Orlando, FL 32816 USA
来源：
CERAMICS INTERNATIONAL | 2021年 / 47卷 / 15期
基金：
中国国家自然科学基金;
关键词：
SiCw-Al2O3-YAG ceramic Composites; SiC whiskers; Hot oscillatory pressing; Mechanical properties; SI3N4-SICW COMPOSITES; SIC WHISKERS; PRESSURE; STRENGTH; FABRICATION; CRACK;
D O I：
10.1016/j.ceramint.2021.04.126
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：
SiCw-Al2O3-YAG ceramic composites were prepared by hot oscillatory pressing (HOP) and traditional hot pressing (HP). The results showed that compared with static pressure, the oscillatory pressure could effectively promote densification and mechanical properties of the composites. The sample prepared by HOP exhibited higher hardness (15.72 +/- 0.20 GPa) and fracture toughness (7.13 +/- 0.19 MPa m(1/2)). The current work suggests that HOP could be an effective technique for the preparation of whisker reinforced ceramic composites.
引用
收藏
页码：21231 / 21235
页数：5
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