ZrB2-Al3BC3 composites prepared using Al-B4C-C additives and spark plasma sintering

被引:15
|
作者
Wang, Hailong [1 ,2 ]
Feng, Lun [1 ]
Lee, Sea-Hoon [2 ]
Chen, Jianbao [1 ]
Fan, Bingbing [1 ]
Chen, Deliang [1 ]
Lu, Hongxia [1 ]
Xu, Hongliang [1 ]
Zhang, Rui [1 ,3 ]
机构
[1] Zhengzhou Univ, Sch Mat Sci & Engn, Zhengzhou 450001, Peoples R China
[2] Korea Inst Mat Sci, Taejon, South Korea
[3] Zhengzhou Inst Aeronaut Ind Management, Zhengzhou 450015, Peoples R China
基金
高等学校博士学科点专项科研基金;
关键词
Mechanical properties; Zirconium diboride; Spark plasma sintering; DIBORIDE-BASED CERAMICS; AL-B-C; SILICON-CARBIDE; ZIRCONIUM; DENSIFICATION; TOUGHNESS; BEHAVIOR; AL3BC3;
D O I
10.1016/j.ceramint.2012.06.064
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
Al3BC3 was fabricated by in-situ reaction of Al, B4C and activated carbon additives, which improved both sinterability and mechanical properties of the ZrB2 ceramics. The densification of ZrB2 was nearly completed at 1700 degrees C using spark plasma sintering (SPS). Both fracture toughness and flexural strength of ZrB2 ceramics increased with the content of sintering additives, which respectively reached a maximum of 6.17 MPa m(1/2) and 529 MPa at 15 wt% ABC content. (C) 2012 Elsevier Ltd and Techna Group S.r.l. All rights reserved.
引用
收藏
页码:897 / 901
页数:5
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