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(51074052)

国家自然科学基金(51074052): 作品数：37被引量：89H指数：5; 导出分析报告; 相关作者：赵德文章顺虎高彩茹兰亮云王国栋更多>>; 相关机构：东北大学秦皇岛首秦金属材料有限公司首钢集团上海宝信软件股份有限公司更多>>; 相关期刊：《Acta Metallurgica Sinica(English Letters)》《机械工程学报》《Transactions of Nonferrous Metals Society of China》《世界钢铁》更多>>; 相关主题：解析解极限载荷简支圆板均布载荷ANALYTICAL_SOLUTION更多>>; 相关领域：金属学及工艺一般工业技术理学交通运输工程更多>>

立轧对称-反对称抛物线狗骨模型轧制力的解析被引量：7: 《东北大学学报（自然科学版）》2015年第12期1710-1714,共5页张殿华刘元铭赵德文金成俊; 国家自然科学基金资助项目(51074052);中央高校基本科研业务费专项资金资助项目(N140704001); 为提高热轧产品质量,必须保证热轧带钢宽度尺寸精度,生产中多采用在粗轧机组处安装立辊轧机来进行控制,但立轧后板坯横断面会产生狗骨形状.首次建立了立轧对称-反对称抛物线狗骨函数模型和运动许可速度场.使用刚塑性第一变分原理,采用...; 关键词：立轧轧制力反对称抛物线狗骨模型解析解

Equal perimeter yield criterion and its specific plastic work rate: Development, validation and application被引量：1: 《Journal of Central South University》2015年第11期4137-4145,共9页章顺虎赵德文陈晓东; Project(51074052)supported by the National Natural Science Foundation of China;Project(BK20140334)supported by the Basic Research Program of Jiangsu Province;China;Project(14KJB460024)supported by the Natural Science Foundation of Jiangsu Higher Education Institutions of China;Project(2014M561707)supported by China Postdoctoral Science Foundation; In order to overcome the nonlinearity of Mises criterion, a new linear yield criterion with a dodecagon shape of the same perimeter as Mises criterion was derived by means of geometrical analysis. Its specific plastic...; 关键词：EP yield CRITERION SPECIFIC PLASTIC WORK RATE circ

Nominal friction coefficient in spread formulas based on lead rolling experiments: 《Transactions of Nonferrous Metals Society of China》2015年第8期2693-2700,共8页王鸿雨胡玉昆高锋赵德文张殿华; Projects(51074052,50734002)supported by the National Natural Science Foundation of China; Friction coefficients in spread formulas were studied under low width-to-thickness ratio. The effects of all the factors on friction were considered as different roughness of surfaces. After lead rolling experiments i...; 关键词：SPREAD ROLLING friction coefficient FITTING SELF-LEARNING

Simplified Weighted Velocity Field for Prediction of Hot Strip Rolling Force by Taking into Account Flattening of Rolls: 《Journal of Iron and Steel Research International》2014年第7期637-643,共7页Dian-hua ZHANG Jian-zhao CAO Jiu-jing XU Wen PENG De-wen ZHAO; Item Sponsored by National Natural Science Foundation of China(51074052,50734002); The weighted velocity field was simplified for analysis of hot strip rolling. Using the field and GM （geometric midline） yield criterion, the deformation power, friction power and shear power were obtained respectiv...; 关键词：hot strip rolling rolling force simplified weighted velocity field GM yield criterion elastic flattening analytical solution

Analysis of Hot Tandem Rolling Force with Logarithmic Velocity Field and EA Yield Criterion被引量：2: 《Journal of Iron and Steel Research International》2014年第3期295-299,共5页Jian-zhao CAO De-wen ZHAO Shun-hu ZHANG Wen PENG Shu-zong CHEN Dian-hua ZHANG; Sponsored by National Natural Science Foundation of China(51074052,50734002); In order to analyze the hot tandem roiling force, a new logarithmic velocity field is proposed. Using the field and linear EA （equal area） yield criterion, the plastic deformation power for plate rolling is analyzed...; 关键词：hot tandem rolling rolling force logarithmic velocity field EA yield criterion analytical solution

Influence of yield-to-tensile strength ratio(Y/T) on failure assessment of defect-free and corroded X70 steel pipeline被引量：1: 《Journal of Central South University》2014年第2期460-465,共6页章顺虎赵德文王晓南; Project(N110607002)supported by the Fundamental Research Funds for the Central Universities of China;Project(51074052)supported by the National Natural Science Foundation of China; The effect of yield-to-tensile strength ratio(Y/T) on failure pressure of X70 pipeline without and with corrosion defects was investigated.The stress-strain response of materials was characterized by a power-law harde...; 关键词：yield-to-tensile strength ratio X70 steel pipeline strain hardening exponent burst pressure engineering tensile strength

Impact Toughness of an NM400 Wear-Resistant Steel被引量：5: 《Journal of Iron and Steel Research International》2013年第8期72-77,共6页SONG Hong-yu LI Can-ming LAN Liang-yun ZHAO De-wen WANG Guo-dong; Item Sponsored by National Natural Science Foundation of China(51074052); An NM400 wear-resistant steel was hot rolled and then the plates were heat-treated by direct quenching and tempering （DQT） and reheat quenching and tempering （RQT） techniques, respectively. The Charpy impact test ...; 关键词：impact toughness direct quenching TEMPERING lower bainite martensite packet

中厚板轧后冷却正规阶段温度场变分解: 《工程力学》2013年第B06期363-366,共4页章顺虎赵德文刘南君高彩茹; 中央高校基本科研业务费项目(N110607002);国家自然科学基金项目(51074052); 该文从导热微分方程和定解条件出发,设定了预先满足边界条件的试函数,并结合拉格朗日乘子法,构建了里兹温度场泛函的广义表达式,经泛函变分,首次获得了中厚板轧后冷却正规阶段温度场的变分解,该解为板厚δ,换热系数α,比热cp,冷却时间t...; 关键词：温度场变分法中厚板试函数泛函

Limit Analysis of Defect-Free Pipe Elbow Under Internal Pressure With Mean Yield Criterion: 《Journal of Iron and Steel Research International》2013年第4期11-15,共5页ZHANG Shun-hu GAO Cai-ru ZHAO De-wen WANG Guo-dong; Sponsored by National Natural Science Foundation of China(51074052,50734002); With mean yield（MY）criterion,an analytical solution of the collapse load for a defect-free pipe elbow under internal pressure is first obtained.It is a function of ratio of thickness to radius t0/r0,strain hardening...; 关键词：limit analysis pipe elbow internal pressure strain hardening exponent MY criterion

GM准则解析受线性荷载简支圆板的极限载荷被引量：1: 《计算力学学报》2013年第2期292-295,共4页章顺虎高彩茹赵德文于慧文张瑜; 国家自然科学基金(51074052);中央高校基本科研业务费(N110607002)资助项目; 用GM(几何中线)屈服准则,对受线性荷载作用下的简支圆板进行塑性极限分析,求得极限载荷的解析解。该解为圆板半径a、切向应力最大点半径r0以及极限弯矩的函数。与Tresca、Mises和TSS(双剪应力)屈服准则预测的极限载荷比较表明,Tresca屈...; 关键词：GM屈服准则线性荷载简支圆板极限载荷

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