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• Small-angle X-ray scattering investigation of aging behavior of Al-Cu-Mg-Ag alloys using synchrotron radiation

  来源： 《Rare Metals2012年第6期》——ZHANG Jianboa, b, ZHANG Yongana, ZHU Baohonga, LIU Ruiqinga, LI Zhihuia, and LI Xiwua a State Key Laboratory of Nonferrous Metals and Processes, General Research Institute for Nonferrous Metals, Beijing , China b Engineering Research Institute, Jiangxi University of Science and Technology, Ganzhou , China

  Small-angle X-ray scattering investigation of aging behavior of Al-Cu-Mg-Ag alloys using synchrotron radiationZHANG Jianboa, b, ZHANG Yongana, ZHU Baohonga, LIU Ruiqinga, LI Zhihuia, and LI Xiwua...-angle X-ray scattering (SAXS) using synchrotron radiation. TEM study reveals that the major strengthening phases of the alloy after aging at 160?C for 10 h are Ω and less θ′. SAXS study shows......

• Reaction mechanism of molten NaOH decomposing Zn₂SiO₄ in willemite

  来源： 《中南大学学报(英文版)2015年第4期》——ZHAO Chang-ming ZHAI Yu-chun ZHANG Chong-min LI Jun-li LI Sheng-li

  detection for the alkali leaching was made by using Raman spectroscopy; XRD was used to analyze the structure of water leaching residue, to explore the reaction mechanism of NaOH decomposing Zn2SiO4... leaching process, Zn2+ can be separated from the SiO4 array, which can be released out of the silicate in the form of ZnO.Key words:Raman spectroscopy; Zn2SiO4; alkali melting; reaction mechanism......

• Research of Tb:Mo:PbWO4 Crystal Structure by Raman Spectra

  来源： 《JOURNAL OF RARE EARTHS2007年增刊第1期》——Liu Weihai Xu Yanling Wang Rui Shi Liansheng Yang Tongyong Yang Chunhui

  Research of Tb:Mo:PbWO4 Crystal Structure by Raman Spectra Liu Weihai1,Xu Yanling1,Wang Rui1,Shi Liansheng2,Yang Tongyong1,Yang Chunhui1 (1.The Department of Applied Chemistry, Harbin Institute... was investigated by Raman spectra and the results showed that the spectra were varied differently by doping dopants in different ranges of shift. Rotation-vibration, curving-vibration and non-symmetrical......

• Effects of ferrites on magnetic transport properties in La2/3Sr1/3MnO3/ferrites composites

  来源： 《Acta Metallurgica Sinica2009年第1期》——Guangsheng LUO Jun DU Xiaoshan WU Sheng XU Zhengyou ZHOU Xiaojun BAI Fengyi JIANG

  ; Magnetoresistance; Spin-dependent scattering andtunneling effect; [全文内容正在添加中] ......

• Influence of electronic structure on Compton scattering through comparing Cu-Ni alloys with Cu-Ni powder mixtures

  来源： 《Acta Metallurgica Sinica2012年第1期》——Guang LUO , Xianquan HU, Guangyu XIAO and Chunyang KONG College of Physics and Electronic Engineering, Chongqing Normal University, Chongqing , China

  Influence of electronic structure on Compton scattering through comparing Cu-Ni alloys with Cu-Ni powder mixturesGuang LUO , Xianquan HU, Guangyu XIAO and Chunyang KONG College of Physics and Electronic Engineering, Chongqing Normal University, Chongqing 400047, China摘 要:The application fields of Compton scattering have been further broadened through......

• 纳米TiO2的Raman光谱研究进展

  来源： 《材料科学与工程学报2001年第4期》——潘晓燕 马学鸣

  纳米TiO2的Raman光谱研究进展 潘晓燕1,马学鸣1 (1.上海大学材料科学与工程学院,) 摘要:Raman光谱是研究纳米TiO2结构的最常用工具之一.纳米T2O2的Raman光谱研究是建立在以前对TiO2体材料的Raman光谱研究的基础之上.但是纳米TiO2与体相材料的表面性质和结构有较大的不同,其Raman光谱会产生明显变化.研究人员对纳米TiO2的Raman光谱已展开研究.本文概述了晶粒大小,结构,氧空位,退火温度,压力,相组成等因素对纳米TiO2的Raman光谱的影响. 关键词:纳米TiO2; Raman光谱; [全文内容正在添加中] ......

• 带腐蚀产物超高强度钢的电化学行为

  来源： 《金属学报2011年第4期》——孙敏 肖葵 董超芳 李晓刚 钟平

  带腐蚀产物超高强度钢的电化学行为孙敏1,肖葵1,董超芳1,李晓刚1,钟平2(1.北京市北京科技大学腐蚀与防护中心2.北京航空材料研究院,北京 100095)摘 要:采用动电位极化,电化学阻抗,扫描电镜(SEM),扫描Kelvin探针(SKP)和Raman光谱研究了300M和AerMet100超高强度钢盐雾实验后试...； Raman光谱； 腐蚀产物； 微区电化学......

• Raman spectroscopy investigation of structural and textural change inC/C composites during braking

  来源： 《中南大学学报(英文版)2011年第1期》——雷宝灵 易茂中 徐惠娟 冉丽萍 葛毅成 彭可

  J. Cent. South Univ. Technol. (2011) 18: 29-35 DOI: 10.1007/s11771-011-0654-1 Raman spectroscopy investigation of structural and textural change in C/C composites during braking LEI Bao­... laminar pyrocarbon, before and after braking tests, were investigated by Raman spectroscopy. The full width at half maximum (FWHM) of the D-band indicates the amount of defects in the in-plane lattice......

• A NEW APPROXIMATE SOLUTION TO THE MULTIPLE SCATTERING THEORY FOR THE ELASTIC PROPERTIES OF HETEROGENEOUS MATERIALS

  来源： 《Journal Of Wuhan University Of Technology Materials Science Edition1993年第2期》——南策文 金伏生 张清杰 袁润章

  A NEW APPROXIMATE SOLUTION TO THE MULTIPLE SCATTERING THEORY FOR THE ELASTIC PROPERTIES OF HETEROGENEOUS MATERIALS南策文,金伏生,张清杰,袁润章摘 要:<正> The multiple scattering theory has been apowerful tool in determining the effective prop-erties of heterogeneous materials.In this pa-per,a simple relationship between the scatteringtheory and the micromechanics......

• SrBi_2Ta_2O_9纳米颗粒的Raman光谱研究

  来源： 《稀有金属材料与工程2009年增刊第2期》——王文 吕喆 贾德昌 寇晓静 周玉 柯华

  SrBi_2Ta_2O_9纳米颗粒的Raman光谱研究 王文1,吕喆1,贾德昌1,寇晓静2,周玉1,柯华1 (1.哈尔滨工业大学,黑龙江,哈尔滨,150001;2.黑龙江科技学院,黑龙江,哈尔滨,150027) 摘要:采用Raman光谱的方法研究了化学计量和非化学计量SrBi_2Ta_2O_9(SBT)纳米颗粒晶格振动行为.通过常温,变温Raman光谱分析,得到了SBT尺寸效应和结构对称性方面的信息.软模振子频率的平方随温度的变化不符合单一的ω_s~2=A(T_c-T)关系揭示了尺寸效应可以导致新的相变.非化学计量SBT的Raman振动峰强度改变和峰形变化的主要因素为总电荷数以及Sr与Bi原子之间的相互取代关系.单个分子式总电荷数低于化学计量SBT总电荷数的样品,总电荷数的因素起主要作用;总电荷数高于化学计量SBT的样品,Bi原子部分取代Sr原子位置为主要因素. 关键词......