Modeling of Carbonitride Precipitation in Austenite during Hot Rolling

机译：热轧过程中奥氏体中碳氮化物析出的模型

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A mathematical model for predicting the precipitation kinetics of carbonitrides in Nb-Ti bearing steel undergoing thermomechanical treatments has been developed on the basis of modified nucleation and growth theory. The effect of hot deformation has been considered in terms of dislocation density and diffusivity of substitutional solute with allowing for the influence of multi-component diffusion, local equilibrium, heterogeneous nucleation on precipitation kinetics. It has been shown that the modeling result agrees well with the experimental data reported in literature.

机译：基于改进的形核和生长理论，建立了预测经过热机械处理的Nb-Ti轴承钢中碳氮化物沉淀动力学的数学模型。考虑了热变形的影响，考虑了置换溶质的位错密度和扩散率，并考虑了多组分扩散，局部平衡，非均相成核对析出动力学的影响。结果表明，建模结果与文献报道的实验数据吻合良好。

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来源
《Iron Steel Supplement 2005 vol.40: The Joint International Conference of HSLA Steels 2005 and ISUGS 2005》|2005年|P.661-665|共5页
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ZENG Yu; WANG Wei;
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正文语种
中图分类钢铁冶炼（黑色金属冶炼）（总论）;
关键词
carbonitrides; precipitation modeling; austenite; hot rolling;

机译：碳氮化物;析出模型;奥氏体;热轧;

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专利

1. ON DISPERSION HARDENING OF MICROALLOYED HOT STRIP STEELS BY CARBONITRIDE PRECIPITATION IN AUSTENITE [J] . H.-J. Kestenbach, J. Gallego Scripta materialia . 2001,第5期

机译：奥氏体中碳氮化物沉淀对微合金化热轧钢的弥散硬化的影响
2. Dissolution and Precipitation behaviors of Complex Carbonitrides in Austenite of a V-Nb Microalloyed Steel [J] . Yangsoo Ha, Jae-Gil Jung, Young-Kook Lee Journal of Korean Institute of Metal and Materials . 2011,第12期

机译：V-Nb微合金钢中奥氏体中复杂碳氮化物的溶解和沉淀行为
3. Mathematical Modelling of Carbonitride Precipitation during Hot Working in Nb Microalloyed Steels [J] . Yunbo XU, Yongmei YU, Xianghua LIU Journal of Materials Science & Technology . 2006,第2期

机译：铌微合金钢热加工过程中碳氮化物析出的数学模型
4. Modelling Strain Induced Precipitation of Niobium Carbonitride during Multipass Deformation of Austenite [C] . C.M. Sellars, E.J. Palmiere International Conference on Microalloying for New Steel Processes and Applications; 20050907-09; Basque Country(ES) . 2005

机译：奥氏体多道次变形过程中应变诱发碳氮化铌沉淀的建模
5. GRAIN GROWTH AND HIGH-TEMPERATURE HOT ROLLING BEHAVIOR OF LOW-ALLOY STEEL AUSTENITE. [D] . SANTELLA, MICHAEL LEONARD. 1981

机译：低合金奥氏体的晶粒长大和高温热轧行为。
6. Retained Austenite Decomposition and Carbide Precipitation during Isothermal Tempering of a Medium-Carbon Low-Alloy Bainitic Steel [O] . Seyyed Hesamodin Talebi, Mohammad Jahazi, Haikouhi Melkonyan 2018

机译：中碳低合金贝氏体钢等温回火过程中的残余奥氏体分解和碳化物析出
7. Evolution of Austenite Microstructure and Precipitation State during Hot Rolling of a Nb-Microalloyed Steel [O] . Manuel Gómez, S.F. Medina, Alberto Quispe 2003

机译：NB微合金钢热轧过程中奥氏体微观结构和沉淀状态的演变

Modeling of Carbonitride Precipitation in Austenite during Hot Rolling

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