云南高校图书馆联盟文献共享服务平台- 国家重点基础研究发展计划(2011CB012900)

国家重点基础研究发展计划(2011CB012900): 作品数：21被引量：48H指数：4; 导出分析报告; 相关作者：沈厚发徐亚东陈飞崔振山隋大山更多>>; 相关机构：清华大学上海交通大学更多>>; 相关期刊：《铸造》《大型铸锻件》《塑性工程学报》《铸造技术》更多>>; 相关主题：钢锭凝固模拟STEELSOLIDIFICATIONINGOT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>>

不同晶粒尺寸的铸态12%Cr铁素体耐热钢热变形行为: 《热加工工艺》2017年第19期102-106,共5页余健; 国家重点基础研究发展计划(973计划)项目(2011CB012900); 利用Gleeble-3500热模拟试验机对铸态柱状晶12%Cr铁素体耐热钢在变形温度为950~1250℃与应变速率为0.001~1 s-1下进行了等温热压缩实验,研究了不同柱状晶晶粒尺寸下钢的流变应力、本构方程与微观组织。结果表明:铸态12%Cr钢的流变应力...; 关键词：12%Cr铁素体耐热钢热压缩变形流变应力本构方程动态再结晶

Application of insulation padding in a heavy turbine guide vane casting: 《Journal of Iron and Steel Research International》2017年第5期495-500,共6页Jin-wu Kang Qing-xian Ma Chi Zhang Pei-chao Zhou Zhong-ren Liu Zu-liang Li Hao Zhang; funded by National Basic Research Program of China(No.2011CB012900); To replace metal padding by insulation padding for castings can save the melt and reduce cleaning work of castings. The design of insulation padding was investigated. The equation of the modulus extension factor for i...; 关键词：Heavy steel casting Insulation padding Metal padding MODULUS Expansion SHIELDING

Abnormal breakdown of Stokes–Einstein relation in liquid aluminium: 《Chinese Physics B》2017年第1期333-343,共11页Chen-Hui Li Xiu-Jun Han Ying-Wei Luan Jian-Guo Li; supported by the National Basic Research Program of China(Grant No.2011CB012900);the National Natural Science Foundation of China(Grant No.51171115);the Natural Science Foundation of Shanghai City,China(Grant No.10ZR1415700);the Research Fund for the Doctoral Program of Higher Education of China(Grant No.20100073120008);the Program for New Century Excellent Talents in Universities of China;partially supported by Alexander von Humboldt Foundation; We present the results of systematic molecular dynamics simulations of pure aluminium melt with a well-accepted embedded atom potential. The structure and dynamics were calculated over a wide temperature range, and th...; 关键词：diffusion VISCOSITY dynamics heterogeneity local five-fold symmetry

Effects of Thermal Gradients and Rotational Flows on Grain Growth in 22 t Steel Ingots被引量：1: 《Journal of Iron and Steel Research International》2016年第9期973-980,共8页Zheng CHEN Qi-jie ZHAI Jie-yu ZHANG Hong-gang ZHONG; Sponsored by National Basic Research Program of China(2011CB012900); Heavy ingots are widely used in many industrial fields. The coarse grains formed during the process of in- got solidification influence the properties and fracture behaviors of the final products. The coarse grain gro...; 关键词：heavy ingot thermal simulation method thermal gradient rotational flow grain refinement

Numerical simulation of macrosegregation during solidification of binary alloys被引量：1: 《Rare Metals》2016年第8期591-597,共7页Wu-Tao Tu Hou-Fa Shen Bai-Cheng Liu; financially supported by the National Basic Research Program of China (No. 2011CB012900);the Tsinghua University Initiative Scientific Research Program (No. 2012THZ01013); Macrosegregation as a consequence of solidifi- cation of a binary Pb-48 wt% Sn alloy in two-dimensional rectangle cavity was investigated by two-phase model instead of the common used continuum model. The macroscopic ...; 关键词：MACROSEGREGATION Two-phase model SOLIDIFICATION Second dendrite arm spacing

Analysis of internal crack in a six-ton P91 ingot被引量：4: 《China Foundry》2016年第3期191-198,共8页Jing-an Yang Hou-fa Shen Bai-cheng Liu Ya-dong Xu Yong-ping Hu Bing-wang Lei; financially supported by the National Basic Research Program of China(No.2011CB012900);the National Science NSFC-Liaoning Joint Fund(U1508215); P91 is a new kind of heat-resistant and high-tensile steel. It can be extruded after ingot casting and can be widely used for different pipes in power plants. However, due to its mushy freezing characteristics, a lack...; 关键词：hot crack industrial CT liquid film thermo-mechanical simulation steel ingot

Size distribution of inclusions in 12%Cr stainless steel with a wide range of solidification cooling rates: 《International Journal of Minerals,Metallurgy and Materials》2015年第11期1157-1162,共6页Han-song Yu Jian-guo Li; financially supported by the National Basic Research Program of China (No. 2011CB012900); The effect of solidification cooling rate on the size and distribution of inclusions in 12%Cr stainless steel was investigated. A wide range of solidification cooling rates（from 0.05 to 106 K·s^-1） was achieved usi...; 关键词：solidification cooling rate inclusions size distribution number density stainless steels

Structural origin underlying the effect of cooling rate on solidification point: 《Chinese Physics B》2015年第11期323-327,共5页李晨辉韩秀君栾英伟李建国; supported by the National Basic Research Program of China(Grant No.2011CB012900);the National Natural Science Foundation of China(Grant No.51171115);the Natural Science Foundation of Shanghai City,China(Grant No.10ZR1415700);the Research Fund for the Doctoral Program of Higher Education of China(Grant No.20100073120008);the Program for New Century Excellent Talents in Universities of China;partially supported by Alexander von Humboldt Foundation; Solidification behaviors of liquid aluminum at different cooling rates were examined via classical molecular dynamics simulation with an embedded atom method potential. The results demonstrate that solidification poin...; 关键词：liquid metal undercooled solidification local structure molecular dynamics

A Numerical Study of the Effect of Multiple Pouring on Macrosegregation in a 438-Ton Steel Ingot被引量：3: 《Acta Metallurgica Sinica(English Letters)》2015年第9期1123-1133,共11页Zhen-Hu Duan Hou-Fa Shen Bai-Cheng Liu; financially supported by the National Basic Research Program of China (No. 2011CB012900);the National Science and Technology Major Project of the Ministry of Science and Technology of China (No. 2012ZX04012011); In present paper, a ladle-tundish-mold CFD model and a macrosegregation model were utilized to investigate the effects of the multiple pouring （MP） process on the macrosegregation in a 438-ton steel ingot. Firstly, ...; 关键词：Multiple pouring process MACROSEGREGATION Numerical simulation Large steel ingot

基于凝固模拟的冒口高度设计及验证被引量：2: 《热加工工艺》2015年第9期165-167,172,共4页徐亚东沈厚发韩非; 国家重点基础研究发展计划项目(2011CB012900); 采用铸造模拟分析软件对不同冒口高度的13500 kg钢锭的凝固过程进行了计算机模拟分析,并预测了钢锭的缩孔缺陷的分布。结果表明,原来生产过程中钢锭冒口高度下的缩孔深度较大。将模拟结果与试验结果进行对比后,两者吻合良好。在此基础上...; 关键词：钢锭凝固模拟冒口

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