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国家自然科学基金(50071028): 作品数：40被引量：111H指数：7; 导出分析报告; 相关作者：边秀房王丽潘学民丛红日李辉更多>>; 相关机构：山东大学南京大学山东理工大学青岛科技大学更多>>; 相关期刊：《科学技术与工程》《计算机工程与应用》《物理化学学报》《无机化学学报》更多>>; 相关主题：分子动力学模拟X射线衍射中程有序结构液态结构液态更多>>; 相关领域：金属学及工艺一般工业技术理学冶金工程更多>>

二价锗硅酸盐纤维中载氢与光解指数的研究: 《光通信技术》2005年第9期41-43,共3页孙建刚; 国家自然科学基金资助项目(50071028); 报道了各种载氢情况对标准远程通讯纤维光敏性和FBG性能的重要影响。实验结果表明标准远程通讯纤维的折射率指数正比于氢载荷压强,且其折射率指数的改变显著地随着加工处理时间的增加而提高,直至达到饱和。标准远程通讯纤维光敏性决定...; 关键词：光敏性载氢锗硅酸盐纤维

Influence of hydrogen content on the behavior of grain reflnement in hypereutectic aluminum-silicon alloy被引量：2: 《Journal of University of Science and Technology Beijing》2004年第2期141-146,共6页LinaHu XiufangBian YoufengDuan; This work was financially supported by the National Natural Science Foundation of China (No.50071028);the Natural Science Foundation of Shandong Province in China (No. Z2001F02); Dissolved hydrogen is harmful to mechanical properties of refinedhypereutectic aluminum-silicon alloys. In the present work, by using a stepped-form mold and thehydrogen-detecting instrument HYSCAN II, the relationshi...; 关键词：REFINEMENT hypereutectic aluminum-silicon alloy phosphide AlP poreformation

Effect of AlP master alloy on grain refinement of primary silicon in eutectic Al-Si alloys被引量：1: 《Journal of University of Science and Technology Beijing》2004年第1期81-84,共4页XiguiSong XiufangBian XiaogangQi XiangfaLiu JunyanZhang BaopeiWang LiminZhu; The work was financially supported by National Natural Science Foundation of China (No.50071028); Nature Science Foundation of Shandong Province of China (No.L2000F01).; To obtain the finer primary silicon crystals, the proprietary Al-P masteralloy was adopted to modify the eutectic Al-Si alloys and the most suitable modification process wasmade in the experiments. The SEM (Scanning E...; 关键词：A1P master alloy grain refinement refining effect Al-Si alloy

Simulations of Metal Cu in Heating Process被引量：1: 《Chinese Journal of Chemistry》2004年第2期148-151,共4页张弢吴爱玲管立齐元华; Project supported by the National Natural Science Foundation of China (No. 50071028).; Based on the Finnis-Sinsclair (FS) many-body potential model, the melting process of a system, which consists of 500 Cu atoms, controlled by period boundary condition has been simulated. The means of pair correlation ...; 关键词：FS potential melting process metal Cu

液铜快速冷却过程微观结构演变的计算机模拟被引量：5: 《化学学报》2003年第9期1357-1361,共5页张弢吴爱玲管立齐元华徐昌业; 国家自然科学基金 (No.50 0 71 0 2 8);山东省自然科学基金 (No.Y2 0 0 2F1 1 )资助项目; 利用计算机模拟了在周期性边界条件下由 5 0 0个原子构成的液态Cu模型系统以 4 2× 10 13 K/s的速率快速凝固的全过程 .模拟在FS相互作用势的基础上 ,通过双体分布函数、键对分析技术、键取向序等多种方法 ,对液Cu快冷凝固过程的微观结...; 关键词：液铜快速冷却微观结构演变计算机模拟 FS势分子动力学模拟键对分析技术均方位移 HA键型指数

金属铜升温熔化过程的分子动力学模拟被引量：8: 《物理化学学报》2003年第8期709-713,共5页张弢张晓茹吴爱玲管立徐昌业; 国家自然科学基金(50071028);山东省自然科学基金(Y2002F11)~~; 采用分子动力学方法模拟了金属铜的升温熔化过程.原子间作用势采用FS(Finnis-Sinclair)势,结构分析采用双体分布函数(PCF)、均方位移(MSD)等方法.计算结果表明,在连续升温过程中,金属铜在1444K熔化,在该熔化点的扩散系数为4.31×10-9m2...; 关键词：金属铜升温熔化分子动力学模拟 FS势结晶结构分析均方位移

液态CuAlNi合金的微观不均匀性被引量：2: 《稀有金属材料与工程》2003年第7期494-497,共4页潘学民边秀房孙景芹; 国家自然科学基金(50071028);大连理工大学留校人员科研启动基金资助项目; 利用高温X射线衍射研究了纯Cu,纯Al,Cu75Al25,Cu71Al25Ni4(原子分数,%)液态结构,获得了结构因子。研究结果表明:纯Cu和纯Al熔体结构因子主峰前曲线均呈光滑的抛物线状;而Cu75Al25熔体的结构因子曲线主峰前则出现预峰;加入Ni后,即Cu71Al2...; 关键词：CuAl NI合金液态金属形状记忆合金 X射线衍射

MEDIUM-RANGE ORDER CLUSTERS IN Fe-2.0%C ALLOY MELT: 《Acta Metallurgica Sinica(English Letters)》2003年第6期513-518,共6页X.B.Qin S.J.Cheng X.F.Bian; supported by the National Natural Science Foundations of China(No.50071028 and No.50231040).; The structure of Fe-2.0%C alloy melt was investigated at 1580, 1560, 1540 and 1450℃ by using an X-ray diffractometer respectively. The results showed that with decreasing temperature, the average atoms of cluster, th...; 关键词：liquid structure X-ray diffraction micro-inhomogeneous model pre-peak structure factor

Al_(70)Cu_(30)合金液态RDF高斯分解与局域结构计算被引量：2: 《无机化学学报》2003年第6期585-588,共4页陈莹边秀房张景祥王焕荣孙民华; 国家自然科学基金资助项目(No.50071028);山东省自然科学基金资助项目(No.2001F02)。; 运用密度泛函B3LYP方法对AlmCun(m,n≤4)团簇结构进行量子化学计算,得到团簇的稳定构型。对不同温度下X-射线衍射实验所得的径向分布函数(RDF)在0.2～0.4nm范围内做高斯分解,结合计算结果对高斯峰的意义做了解释,认为计算所得部分团簇...; 关键词：铝铜合金液态合金高斯分解局域结构量子化学计算团簇稳定构型密度泛函方法 X-射线衍射

Gradual solution heat treatment of AlSiCuMg cast alloys被引量：13: 《Rare Metals》2003年第4期304-308,共5页WANG Guiqing , BIAN Xiufang ,and ZHANG Junyan1) The Key Laboratory of Liquid Structure and Heredity of Materials, Ministry of Education, Shandong University, Jinan 250061, China2) Department of Material Science and Technology, Shandong Architectural Engineering Institute, Jinan 250014, China; This work is financially supported by the National Natural Science Foundation of China(No.50071028);the Shandong Natural Science Foundation of China (No.Z2001F02); The microstructure characteristics of AlSiCuMg cast alloys were studied withdifferent Cu content and the gradual solution treatment by DSC, SEM, TEM and mechanical method. Themelting point of alpha (Al) + Si decreases...; 关键词：aluminum alloy gradual solution heat treatment differential scanningcalorimetry (DSC) polynary eutectic phase

国家自然科学基金(50071028)