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材料研究学报  1996, Vol. 10 Issue (3): 293-296    
  研究论文 本期目录 | 过刊浏览 |
应用量子化学研究Ca_2Fe_(2-x)Al_xO_5的水化活性
程新;冯修吉;童大懋
山东建筑材料工业学院;武汉工业大学
ON THE HYDRATION ACTIVITY OF Ca_2Fe_(2-x)Al_xO_5 WITH COMPUTATIONAL QUANTUM CHEMISTRY
CHENG Xin; FENG Xiuji; TONG Damao(Shandong Building Materials Institute) (Wuhan University of Technology)(Correspondent:CHENG Xin;Department of Materials; Shandong Building Materials institute; Jinan 250022)
引用本文:

程新;冯修吉;童大懋. 应用量子化学研究Ca_2Fe_(2-x)Al_xO_5的水化活性[J]. 材料研究学报, 1996, 10(3): 293-296.
, , . ON THE HYDRATION ACTIVITY OF Ca_2Fe_(2-x)Al_xO_5 WITH COMPUTATIONAL QUANTUM CHEMISTRY[J]. Chin J Mater Res, 1996, 10(3): 293-296.

全文: PDF(319 KB)  
摘要: 用量子化学SCC—DV—Xa方法分析了Ca_2Fe_(2-x)AlxO_5体系中的Ca_2Fe_2O_5(即C_2F),Ca_2Fe_(1.43)Al_(0.57)O_5和Ca_2Fe_(1.28)Al_(0.72)O5.认为它们的水化活性随Al的增加而提高的原因是:(1)Al的净电荷比Fe高,易吸收水分子的孤对电子;(2)Al-O键比Fe-O键弱,易断裂而容易与水反应.
关键词 SCC—DV—X_αCa_2Fe_(2-x)Al_xO_5水化活性    
Abstract:In this paper,Ca2 Fe2 O5 (C2 F), Ca2Fe1.43 Al o.57 O5 and Ca2Fe1.28 Al0.72O5 in Ca2Fe(2-x) AlxO5system are investigated with a new SCC-DV-Xa method.The computational models are octahedron and tetrahedron.Through computation with a CYBER-930 computer,follo
Key words SCC-DV-Xa Ca_2Fe_(2-x)Al_xO_5 hydration activity
收稿日期: 1996-06-25     
1冯修吉,闵新民,陶从喜.武汉工业大学学报,1994,16(2):12NegroA,StaffierL.Zement-Kalk-Gips,1979,32(2):833RosenA,EllisDE.JChemPhys,1976,65:36294BerggrenJ.ActaChemScand,1971,25:36165ColvilleAA,GellerS.ActCryst,1972,B28;3196
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