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A Quantum Chemical Study on Hexanuclear Cluster Halides of Rare Earth Elements and Their Interstitial Compounds林梦海,张乾二摘 要:<正> The electronic structures of rare earth cluster halides R(R6X12) and their interstitial compounds R7X12Zwere studied by the DV-X? method (R=Sc,Y,Pr,Gd or Er;X=Cl,Br or I;Z=B,C,N,Fe,Co or Ru).Theresults show that because f......
, the environment will be polluted. The compounds of alkali metal such as NaOH, MgO, and CaO can decompose rare earth minerals containing monazite [1-2]. And it is regarded that this decomposition... chloride [J]. Journal of Alloys and Compounds, 1994, 205: 69-75. [4] HIKICHI Y, HUKUO K, SHIOKAWA J. Solid state reaction between rare earth orthophosphate and oxide [J]. Bull Chemsoc Jpn, 1980, 53......
. Key words: Fe-Ni based coating; rare earth; high-temperature oxidation; high-temperature wear 稀土由于其独特的原子结构而具有良好的物理和化学性能,现在已成功应用到多个领域,如冶金,电子和化学工程等[1].稀土应用的另一重要领域是对工程零部件的表面性能进行改性处理,如化学热处理,火焰喷涂和电镀等[2-3].近几... in-situ carbide particle reinforced Fe-based composite coatings with rare earth oxide addition[J]. Journal of Rare Earths, 2009, 27(6): 997-1002. [8] XU Guo-jian, KUTSUNA M, LIU Zhong-jie, ZHANG Hong......
Analysis of Valence Electron Structure in Compound Layer of Steel 42CrMo Plasma Nitrided with Rare Earth Addition LIU Zhan-hong1,WU Kun1,DAI Ya-nan1,YAN Mu-fu1 (1.School of Materials Science and Engineering, Harbin Institute of Technology, Harbin, China) 摘要:The valence electron structure (VES) in compound layer of steel plasma-nitrided at 560℃ with rare earth (RE)addition was calculated based......
Structure and magnetic properties of new compounds CdYFeWO_7 MENG Jian1,Lü Minfeng1,WU Zhijian1 (1.State Key Laboratory of Application of Rare Earth Resources,Changchun Institute of Applied... magnetic materials; structure determination; magnetic properties; rare earths; [全文内容正在添加中] ......
Study on Microstructure of Alumina Based Rare Earth Ceramic Composite许崇海摘 要:<正>Analysis techniques such as SEM, TEM and EDAX were used to investigate the microstructure of rare earth reinforced Al2O3/(W, Ti)C ceramic composite. Chemical and physical compatibility of the composite was analyzed and in-terfacial microstructure was studied in detail......
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Study of NdCl3-FeCl3-Graphite Intercalation Compounds by X-Ray Photoelectron Spectroscopy 侯仰龙1,韦永德1 (1.Center for Rare Earth Materials Engineering, Harbin Institute of Technology,) Abstract:NdCl3-FeCl3-graphite intercalation compounds were synthesized by molten-salt exchange method. The state of the intercalates and the relative contents of Nd, Fe, Cl, C in the product were determined by X-ray......
266003, China) Abstract:Some compounds of LiCo1-xRExO2 (RE=rare earth elements and x=0.01~0.03) were prepared by doping rare earth elements to LiCoO2 via solid state synthesis. The microstructure...Rare Earth Elements-Doped LiCoO2 Cathode Material for Lithium-Ion Batteries 阎杰1,叶茂1,潘桂玲2,曹晓燕3,魏进平1 (1.Institute of New Energy Material Chemistry, Nankai University, Tianjin 300071, China;2.State......
Compositional Optimum Design and Experimental Investigation of Rare Earth Containing Ceramic Composite Ai Xing1,HUANG Chuanzhen1,XU Chonghai2 (1.School of Mechanical Engineering, Shandong...%. Then, effects of the content of rare earth yttrium on the mechanical property of the Al2O3/30vol% (W,Ti)C ceramic material were investigated experimentally. It indicates that when the content of yttrium......
