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国家自然科学基金(50474086): 作品数：24被引量：69H指数：5; 导出分析报告; 相关作者：吴迪刘振宇王国栋周晓光刘相华更多>>; 相关机构：东北大学宝钢集团中央研究院济南钢铁集团总公司本溪钢铁(集团)有限责任公司更多>>; 相关期刊：《Journal of Iron and Steel Research International》《Journal of Materials Science & Technology》《Journal of Wuhan University of Technology(Materials Science)》《东北大学学报（自然科学版）》更多>>; 相关主题：MODELING_OF含NB钢STARTPRECIPITATIONMICROSTRUCTURE更多>>; 相关领域：金属学及工艺一般工业技术冶金工程自动化与计算机技术更多>>

Hybrid Modeling for Soft Sensing of Molten Steel Temperature in LF被引量：5: 《Journal of Iron and Steel Research International》2009年第4期1-6,共6页TIAN Hui-xin MAO Zhi-zhong WANG An-na; Item Sponsored by National Natural Science Foundation of China (50474086,60843007); Aiming at the limitations of traditional thermal model and intelligent model, a new hybrid model is established for soft sensing of the molten steel temperature in LF. Firstly, a thermal model based on energy conserva...; 关键词：ladle furnace hybrid modeling soft sensing thermal model data fusion

Artificial Neural Network Modeling of Microstructure During C-Mn and HSLA Plate Rolling被引量：1: 《Journal of Iron and Steel Research International》2009年第2期80-83,共4页TAN Wen LIU Zhen-yu WU Di WANG Guo-dong; Item Sponsored by National Natural Science Foundation of China (50474086);Program for New Century Excellent Talents in University (NECT-04-0278); An artificial neural network （ANN） model for predicting transformed mierostrueture in conventional rolling process and therrnomechanical controlled process （TMCP） is proposed. The model uses austenite grain size a...; 关键词：artificial neural network TMCP MICROSTRUCTURE ferrite grain size

Modeling of microstructure evolution and mechanical properties during hot-strip rolling of Nb steels被引量：3: 《Journal of University of Science and Technology Beijing》2008年第4期396-401,共6页Yunbo Xu Yongmei Yu Xianghua Liu Cruodong Wang; This study was financially supported by the National Natural Science Foundation of China (No.50504007, No.50474086, and No.50334010).; An integrated metallurgical model was developed for Nb steels to predict the microstructure evolution and mechanical properties during the hot-strip rolling and cooling process. On the basis of the industrial data, th...; 关键词：hot-strip rolling TRANSFORMATION MICROSTRUCTURE mechanical properties grain size

FTSR轧制含Nb钢的组织演变被引量：2: 《钢铁》2008年第10期59-61,73,共4页张晓芳王荣武周晓光; 国家自然科学基金资助项目(50334010和50474086); 结合FTSR薄板坯连铸连轧自身的特点,设计了FTSR轧制含Nb钢BG510L的化学成分和轧制工艺,通过轧卡试验进行了组织演变的观察与分析,结果表明:FTSR薄板坯连铸连轧生产线轧制的BG510L钢的组织较为细小,粗大的铸坯组织经一道次轧制后发生了...; 关键词：柔性化薄板坯连铸连轧显微组织轧卡混晶

Dynamic Recrystallization Behaviour of Nb-Ti Microalloyed Steels被引量：3: 《Journal of Wuhan University of Technology(Materials Science)》2008年第4期551-557,共7页MA Liqiang LIU Zhenyu JIAO Sihai YUAN Xiangqian WU Di; the National Natural Science Foundation of China(No.50474086,50334010);the Program for New Century Excellent Talents in Universities(No.NCET-04-0278)of the Ministry of Education; The dynamic recrystallization （DRX） behavior of Nb-Ti microalloyed steels was investigated by isothermal single compression tests in the temperature range of 900-1 150 ℃ at constant strain rates of 0.1-5 s^-1. DRX ...; 关键词：Nb-Ti microalloyed steels dynamic recrystallization activation energy of deformation dynamic precipitation

Effect of Niobium and Titanium on Dynamic Recrystallization Behavior of Low Carbon Steels被引量：9: 《Journal of Iron and Steel Research International》2008年第3期31-36,共6页MA Li-qiang LIU Zhen-yu JIAO Si-hai YUAN Xiang-qian WU Di; National Natural Science Foundation of China (50474086,50334010);Program for New Century Excellent Talents in Universities of the Ministry of Education of China (NCET-04-0278); Using a Gleeble 3800 thermo-mechanical simulator, the effect of niobium and titanium on the dynamic recrystallization （DRX） behavior of low carbon steels was investigated. Isothermal single compression tests were pe...; 关键词：peak strain activation energy dynamic recrystallization

Modeling of Strain-Induced Precipitation Kinetics and Evolution of Austenite Grains in Nb Microalloyed Steels被引量：8: 《Journal of Iron and Steel Research International》2008年第3期65-69,共5页ZHOU Xiao-guang LIU Zhen-yu YUAN Xiang-qian WU Di WANG Guo-dong LIU Xiang-hua; National Natural Science Foundation of China (50474086 and 50334010); Considering the effect of strain and chemical composition onprecipitation behavior, new models for the start and end time of Nb（C,N） precipitation in austenite under the conditions of different temperatures and stra...; 关键词：strain-induced precipitation start time PRECIPITATION static recrystallization grain size

FTSR轧制BG510L钢的组织与性能分析被引量：2: 《钢铁》2008年第2期73-76,共4页周晓光刘振宇吴迪王国栋刘相华; 国家自然科学基金资助项目(50334010和50474086); 结合FTSR薄板坯连铸连轧自身的特点,设计了轧制汽车大梁钢BG510L的化学成分和轧制工艺,并与用传统流程轧制的BG510L钢的金相组织和力学性能进行了对比。结果表明,与传统流程相比,FTSR薄板坯连铸连轧生产线轧制的BG510L钢的组织更为细小...; 关键词：柔性化薄板坯连铸连轧汽车大梁钢显微组织力学性能

Prediction of Rolling Load, Recrystallization Kinetics, and Microstructure During Hot Strip Rolling被引量：1: 《Journal of Iron and Steel Research International》2007年第6期42-46,共5页XU Yun-bo YU Yong mei LIU Xiang-hua WANG Guo-dong; Item Sponsored by National Natural Science Foundation of China (50504007 ,50474086 ,50334010); The recrystallization kinetics and grain size models were developed for the C Mn and niobium containing steels to describe the metallurgical phenomenon such as softening, grain growth, and strain accumulation. Based o...; 关键词：hot strip rolling RECRYSTALLIZATION mean flow stress strain accumulation grain size

含Nb钢在FTSR工艺中铁素体相变行为研究: 《轧钢》2007年第3期5-8,共4页周晓光刘振宇吴迪张晓芳王国栋刘相华; 国家自然科学基金资助项目(50334010和50474086); 采用Gleeble-2000热/力模拟试验机模拟了含Nb钢在FTSR(Flexible Thin Slab Rolling)薄板坯连铸连轧过程中的铁素体相变行为,通过研究Nb含量、终轧温度等参数对铁素体相变实际转变温度以及铁素体晶粒尺寸的影响,得出了低碳含Nb钢在FTSR...; 关键词：柔性化薄板坯连铸连轧含NB钢铁素体相变实际转变温度晶粒尺寸

国家自然科学基金(50474086)