Theoretical Calculation for Equilibrium Solubilities and Compositional Coefficient of Titanium Carbonitrides in Ti-bearing Microalloyed Steel

Yong Qilong; Liu Zhengdong; Sun Xinjun; Cao Jianchun; Zhao Kunyu; Zhang Yong; Cha Xiaoqin

Volume 26 Issue 3

Jul. 2005

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Article Navigation > IRON STEEL VANADIUM TITANIUM > 2005 > 26(3): 12-16

Yong Qilong, Liu Zhengdong, Sun Xinjun, Cao Jianchun, Zhao Kunyu, Zhang Yong, Cha Xiaoqin. Theoretical Calculation for Equilibrium Solubilities and Compositional Coefficient of Titanium Carbonitrides in Ti-bearing Microalloyed Steel[J]. IRON STEEL VANADIUM TITANIUM, 2005, 26(3): 12-16.

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Theoretical Calculation for Equilibrium Solubilities and Compositional Coefficient of Titanium Carbonitrides in Ti-bearing Microalloyed Steel

1. Central Iron & Steel Research Institute, Beijing 100081, China;
2. Kunming University of Science & Technology, Kunming 650093, Yunnan, China

Received Date: 2005-01-17

Abstract

Abstract

According to the thermal-mechanical theory and the solubility formulae of TiN and TiC in austenite,the theoretical calculating methods for the solubility of Ti,C and N in austenite and for the compositional coefficient of Ti(C,N) in Ti-bearing microalloyed steel were proposed.The calculations for the typical Ti-bearing steels were carried out.and the calculating results show that the titanium carbonitrides undissolved or precipitated at high temperature are very similar to the pure TiN.
- titanium carbonitride,
- equilibrium solubility,
- compositional coefficient,
- austenite

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