Control of Coarse Precipitates of Titanium Nitride in High-Strength Low-Alloy Steel

被引：11
作者：
Liu, Tao [1 ]
Chen, Dengfu [1 ]
Long, Mujun [1 ]
Liu, Peng [1 ]
Duan, Huamei [1 ]
Gui, Lintao [1 ]
Fan, Helin [1 ]
Chen, Huabiao [1 ]
机构：
[1] Chongqing Univ, Coll Mat Sci & Engn, Chongqing, Peoples R China
来源：
METAL SCIENCE AND HEAT TREATMENT | 2020年 / 61卷 / 9-10期
关键词：
TiN inclusions; complex TiN - CaS inclusions; precipitation thermodynamics; growth kinetics; control of precipitates; IN-SITU OBSERVATION; HEAT-AFFECTED ZONE; LOW-CARBON; FRACTURE-TOUGHNESS; TIN INCLUSIONS; SOLUTE REDISTRIBUTION; CLEAVAGE FRACTURE; COOLING RATE; SOLIDIFICATION; DEFORMATION;
D O I：
10.1007/s11041-020-00477-5
中图分类号：
TF [冶金工业];
学科分类号：
0806 ;
摘要：
The effects of titanium and nitrogen additions in 0.16% C - 1% Mn high-strength low-alloy steel and of the rate of crystallization cooling on precipitation of TiN nitride and of complex TiN-CaS particles are studied. The processes of formation and growth of TiN and TiN - CaS particles in the mushy zone are analyzed using a thermodynamic model of diffusion growth. The thermodynamic computations are checked experimentally. The steel is controlled for presence of coarse TiN inclusions.
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页码：534 / 542
页数：9
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