云南高校图书馆联盟文献共享服务平台- 国家自然科学基金(50974039)

国家自然科学基金(50974039): 作品数：23被引量：137H指数：7; 导出分析报告; 相关作者：刘相华李维刚郭朝晖张广基贾树晋更多>>; 相关机构：东北大学宝钢集团中央研究院徐州工程学院上海宝钢工业检测公司更多>>; 相关期刊：《Journal of Iron and Steel Research International》《武汉科技大学学报》《Acta Metallurgica Sinica(English Letters)》《昆明理工大学学报（自然科学版）》更多>>; 相关主题：ROLLINGTAILORROLLEDBLANKGAUGE更多>>; 相关领域：金属学及工艺自动化与计算机技术交通运输工程一般工业技术更多>>

轧制差厚板力学性能试验及数值模拟研究被引量：8: 《锻压技术》2014年第6期32-36,共5页邓仁昡张广基刘相华; 国家自然科学基金资助项目(50974039,51374069);中央高校基本科研业务费专项资金资助项目(N130407007); 为了掌握差厚板的力学性能,在不同厚度钢板的0°,45°和90°方向取样进行拉伸试验,并对试验参数与板厚的关系曲线进行分析,绘制了应力、应变与厚度的三维曲面,并建立了相应的数学模型。利用上述试验数据,在ABAQUS有限元软件中建立差厚...; 关键词：差厚板力学性能测试厚度数值模拟

Permissible Minimum Thickness in Asymmetrical Cold Rolling被引量：5: 《Journal of Iron and Steel Research International》2013年第11期21-26,共6页TANG De-lin LIU Xiang-hua LI Xiang-yu PENG Liang-gui; Sponsored by National Natural Science Foundation of China(50974039); The minimum rolling thickness in asymmetrical rolling was analyzed compared with that in symmetrical rolling. The differential equilibrium equations on forces were established to calculate the asymmetrical rolling for...; 关键词：asymmetrical roiling minimum permissible thickness cross-shear ratio asymmetrical ratio friction peak value

Horizontal Velocity of Variable Gauge Rolling:Theory and Finite Elements Simulation被引量：5: 《Journal of Iron and Steel Research International》2013年第10期10-16,共7页ZHANG Guang-ji LIU Xiang-hua HU Xian-lei ZHI Ying; Item Sponsored by National Natural Science Foundation of China(51174249,50974039); Within the production chain of longitudinal profiled （LP） plates and tailor rolled blanks （TRB）, variable gauge roiling （VGR） represents the vital important forming stage, in which shape and properties are tailo...; 关键词：variable gauge rolling horizontal velocity non-linear finite element analysis

Residual Curvature of Longitudinal Profile Plate Roller in Leveling Process被引量：6: 《Journal of Iron and Steel Research International》2013年第10期23-27,共5页CUI Li SHI Quan-qiang LIU Xiang-hua HU Xian-lei; Item Sponsored by National Natural Science Foundation of China(50604006,50974039); Roller leveling process of longitudinal profile （LP） plate is hardly studied because plate thickness changes. Deformation characteristics and residual curvature during LP plate leveling process were investigated bas...; 关键词：roller leveling LP plate intermesh residual curvature residual stress

基于分解的多目标差分进化算法及其应用被引量：7: 《信息与控制》2013年第3期392-400,共9页李维刚贾树晋郭朝晖; 国家自然科学基金资助项目(50974039); 提出了一种基于分解的多目标差分进化算法(MODE/D).该算法使用差分进化算法替代遗传算法作为搜索引擎,采用混料均匀设计方法确定种群的权重向量,使用循环式拥挤距离排序策略维护外部档案的多样性.另外,为了改善MODE/D的收敛性能,将局部...; 关键词：多目标优化差分进化分解窜辊策略

Simulation-based multi-objective optimization for roll shifting strategy in hot strip mill被引量：2: 《Journal of Central South University》2013年第5期1226-1234,共9页李维刚; Projects(50974039,50634030) supported by the National Natural Science Foundation of China; A simulation-based multi-objective optimization approach for roll shifting strategy in hot strip mills was presented. Firstly, the effect of roll shifting strategy on wear contour was investigated by mtmerical simulat...; 关键词：hot rolling roll shifting strategy roll wear multi-objective optimization Pareto-optimal front

热轧轧辊磨损模型研究及轧辊横移影响分析被引量：8: 《武汉科技大学学报》2013年第2期98-103,共6页李维刚; 国家自然科学基金资助项目(50974039); 在对热轧带钢精轧工作辊磨损影响因素进行分析的基础上,采用"切片法"建立考虑横移影响的轧辊磨损模型,给出磨损模型的参数优化方法。实验验证表明,优化后的模型计算精度得到显著提高,计算偏差的标准差控制在15μm以内,轧辊磨损轮廓形状...; 关键词：热轧带钢轧辊磨损轧辊横移自由程序轧制

Multi-Objective Load Distribution Optimization for Hot Strip Mills被引量：9: 《Journal of Iron and Steel Research International》2013年第2期27-32,61,共7页JIA Shu-jin LI Wei-gang LIU Xiang-hua DU Bin; Item Sponsored by National Natural Science Foundation of China(50974039); Load distribution is a key technology in hot strip rolling process, which directly influences strip product quality. A multi-objective load distribution model, which takes into account the rolling force margin balance...; 关键词：hot strip mill load distribution multi-objective optimization

Multi-objective optimization for draft scheduling of hot strip mill被引量：2: 《Journal of Central South University》2012年第11期3069-3078,共10页李维刚刘相华郭朝晖; Projects(50974039,50634030)supported by the National Natural Science Foundation of China; A multi-objective optimization model for draft scheduling of hot strip mill was presented, rolling power minimizing, rolling force ratio distribution and good strip shape as the objective functions. A multi-objective ...; 关键词：hot strip mill draft scheduling multi-objective optimization multi-objective differential evolution algorithm based ondecomposition （MODE/D） Pareto-optimal front

Numerical Simulation and Experimental Investigation of Springback in U-Channel Forming of Tailor Rolled Blank被引量：3: 《Journal of Iron and Steel Research International》2012年第9期8-12,共5页ZHANG Hua-wei 1 , LIU Li-zhong 1 , HU Ping 1 , LIU Xiang-hua 2 ( 1.Faculty of Vehicle Engineering and Mechanics , State Key Laboratory of Structural Analysis for Industrial Equipment , Dalian University of Technology , Dalian 116024 , Liaoning , China 2.Research Institute of Science and Technology , Northeastern University , Shenyang 110819 , Liaoning , China ); Item Sponsored by National Natural Science Foundation of China ( 10932003 , 50974039 , 50872126 );National Basic Research Program of China ( 2010CB832700 );Fundamental Research Funds for Central Universities of China ( 893324 , DUT11ZD202 ); In order to grasp the springback rule of TRB ( tailor rolled blank ) parts after forming , the springback behavior of TRB was investigated by integrating such three means as theoretical research , numerical simulation...; 关键词：tailor rolled blank U-CHANNEL SPRINGBACK ANNEALING

国家自然科学基金(50974039)