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Optical properties and local structure of Dy3+-doped chalcogenide and chalcohalide glasses唐高1,2,杨志勇1,2,罗澜1,陈玮11. Shanghai Institute of Ceramics, Chinese Academy of Sciences2. Graduate School..., emission properties, and local structure of the glasses were investigated. When excited at 808 nm diode laser, intense 1.32 and 1.55 μm near-infrared luminescence were observed with full width at half......
EXAFS STUDY OF THE LOCAL STRUCTURE OF Ga IN Ga2O3-P2O5 GLASSES林云飞,黄维炜,陆坤权,赵雅琴,常龙存摘 要:<正> Room temperature EXAFS spectra of a series ofgallium... at 30mol% Ga2O3 iscaused by the change of the local structure of Gafrom [GaO6] octahedra to [GaO4] tetrahedra.A simpleformula to estimate the concentration of six foldcoordinated Ga atoms in glasses......
Deformation behavior of A6063 tube with initial thickness deviation in free hydraulic bulging YANG Lian-fa(杨连发)1, 2, GUO Cheng (郭 成)1, DENG Yang(邓 洋)2 1. School of Mechanical Engineering... 2006 Abstract: Experiment on seamless tubes of aluminum alloy A6063 with initial thickness deviation of 0–20% was conducted through a free hydraulic bulging with tube ends free. The influence of initial......
Local structure and luminescent properties of lead phosphate glasses containing rare earth ionsJ.Pisarska1,L.Zur1,T.Goryczka2,W.A.Pisarski11. Institute of Chemistry,University of Silesia2. Institute of Materials Science,University of Silesia摘 要:Local structure and luminescent properties of lead phosphate glasses containing rare earth ions were......
Local structure and luminescent properties of lead phosphate glasses containing rare earth ionsJ.Pisarska1,L.Zur1,T.Goryczka2,W.A.Pisarski11. Institute of Chemistry,University of Silesia2. Institute of Materials Science,University of Silesia摘 要:Local structure and luminescent properties of lead phosphate glasses containing rare earth ions were......
熔体初生相晶粒尺寸的大小有对应关系. 关键词:初始组织;组织演变;半固态;充型过程 中图分类号:TG 146.4 文献标识码:A Effect of initial structure characteristic on evolution of primary phase in mold filling TAN Jian-bo1..., China; 2. School of Mechanical and Electronic Control Engineering, Beijing Jiaotong University, Beijing 100044, China) Abstract: Semi-solid alloy melt with different initial structure prepared......
Relation between the Rheology Characteristic and Initial Hydration Structure of Portiand Cement董荣珍摘 要:<正>Based on the rheology characteristic... kinds and the chemical admixtures on the initial rheology characteristic and structure forming and developing of cement hydration was studied. The relationship between the rheology characteristic......
Quantitative calculation of local shear deformation in adiabatic shear band for Ti-6Al-4V WANG Xue-bin(王学滨) Department of Mechanics and Engineering Science, Liaoning Technical University, Fuxin..., to calculate the distribution of local total shear deformation(LTSD) in adiabatic shear band(ASB). The predicted LTSDs at different flow shear stresses were compared with experimental measurements. J-C model......
of billet is changed using simple structure) combining local loading can control the metal flow and improve the cavity fill in manufacturing process of large-scale rib-web titanium alloy component... and efficient. The isothermal local loading process of large-scale complex-structure titanium alloy component is an isothermal forming process under elevated temperature and low loading speed......