Stability domain of Ti(CN) in Ti-TiC-TiN

被引：6
|
作者：
Kwon, Hanjung [1 ]
Kang, Shinhoo [2 ]
机构：
[1] Korea Inst Geosci & Mineral Resources, Mineral Resources Res Div, Taejon 305350, South Korea
[2] Seoul Natl Univ, Dept Mat Sci & Engn, Seoul 151742, South Korea
来源：
MATERIALS LETTERS | 2012年 / 68卷
关键词：
Ceramics; Phase diagrams; Titanium carbonitride; Stability domain; Thermodynamics; DECREASING GRAIN-SIZE; SOLID-SOLUTIONS; TITANIUM CARBONITRIDE; SOLUBILITY; INCREASE; ZNO;
D O I：
10.1016/j.matlet.2011.11.030
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
Phase stability diagrams of Ti-TiC-TiN-Ti(CN) system were constructed at 1673 K as a function of carbon activity, nitrogen pressure, and characteristics of solution formation. The domains for Ti and Ti(CN) exist in real systems. It was also found that the domain for Ti(CN) is much larger than that of ideal mixing of TiC and TiN. This is because the mixing reaction of TiC and TiN or the nitriding of TiC occurs exothermically. The stable area of nano-sized Ti(CN) was smaller than that of micron-sized Ti(CN) due to the instability of nano-sized Ti(CN). (C) 2011 Elsevier B.V. All rights reserved.
引用
收藏
页码：426 / 428
页数：3
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