| 微合金碳氮化物在铁素体中沉淀析出的PTT曲线的理论计算 |
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| 引用本文： | 雍岐龙,陈明昕,裴和中,潘俐,周晓玲,杨天武,钟卫,郝建英.微合金碳氮化物在铁素体中沉淀析出的PTT曲线的理论计算[J].钢铁研究学报,2006,18(3):30-32,25. |
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| 作者姓名： | 雍岐龙 陈明昕 裴和中 潘俐 周晓玲 杨天武 钟卫 郝建英 |
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| 作者单位： | 钢铁研究总院结构材料研究所,北京,100081;昆明理工大学机械工程学院,云南,昆明,650093 |
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| 基金项目： | 中国科学院资助项目
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国家科技攻关项目 |
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| 摘 要： | 根据经典形核长大动力学理论,分析解决了包括相变化学自由能、界面能、形核沉淀方式等一系列相关参量的理论计算或理论处理问题,由此提出了微合金钢中微合金碳氮化物在铁素体基体中沉淀析出的PTT曲线(沉淀量-温度-时间曲线)的相对定量理论计算方法.
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| 关 键 词： | 微合金碳氮化物 铁素体 沉淀 PTT曲线 理论计算 |
| 文章编号： | 1001-0963（2006）03-0030-04 |
| 修稿时间： | 2003-07-04 |
Theoretical Calculation for PTT Curve of Microalloy Carbonitride Precipitated in Ferrite |
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| YONG Qi-long,CHEN Ming-xin,PEI He-zhong,PAN Li,ZHOU Xiao-ling,YANG Tian-wu,ZHONG Wei,HAO Jian-ying.Theoretical Calculation for PTT Curve of Microalloy Carbonitride Precipitated in Ferrite[J].Journal of Iron and Steel Research,2006,18(3):30-32,25. |
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| Authors: | YONG Qi-long CHEN Ming-xin PEI He-zhong PAN Li ZHOU Xiao-ling YANG Tian-wu ZHONG Wei HAO Jian-ying |
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| Affiliation: | 1. institute of Structure Mechanical Engineering, Materials, Central Iron and Steel Research Institute, Beijing 100081, China; 2. School of Kunrning University of Science and Technology, Kunming 650093, Yunnan, China |
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| Abstract: | According to the traditional nucleation-growth kinetics theory,with the estimation of relative parameters such as the transformation free energy and the interfacial energy,a relative quantitative theoretical calculation method for the PTT(precipitation amounttemperature-time) curve of microalloy carbonitride precipitated in ferrite is proposed. |
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| Keywords: | microalloy carbonitride ferrite precipitation PTT curve theoretical calculation |
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