ZrC formation and the phase relations in the SiC-SiO2-ZrC-ZrO2-CaO system

被引：0
|
作者：
Sun, W. Z. [1 ,2 ]
Cheng, J. G. [1 ]
Huang, Z. K. [2 ]
Jiang, Y. [2 ]
Wu, L. E. [2 ]
Liu, L. M. [2 ]
机构：
[1] Hefei Univ Technol, Sch Mat Sci & Engn, Hefei 230009, Anhui, Peoples R China
[2] Beifang Univ Nationalities, Sch Mat Sci & Engn, Yinchuan 750021, Ningxia, Peoples R China
来源：
CERAMICS INTERNATIONAL | 2016年 / 42卷 / 08期
基金：
中国国家自然科学基金;
关键词：
Ultrahigh-temperature ceramics; ZrC-SiC; Phase equilibrium; Phase diagram; OXIDATION BEHAVIOR; LIQUID; DENSIFICATION; REDUCTION;
D O I：
10.1016/j.ceramint.2016.03.130
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：
During investigation of the phase relations in the SiC-ZrO2-CaO ternary system, it was revealed that ZrO2 reacted with SiC and CaO to form ZrC and calcium silicate via a series of solid-state reactions. Because these reactions may provide a new route to reaction-sintering of ZrC ceramics, ZrC/SiC and ZrC/salt composites, the formation process of the ZrC phase was analyzed. Subsolidus phase diagram of the related SiC-SiO2-ZrC-ZrO2-CaO (Si-Zr-Ca-O-C) quinary system at 1400 degrees C was presented. (C) 2016 Elsevier Ltd and Techna Group S.r.l. All rights reserved.
引用
收藏
页码：10165 / 10170
页数：6
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