Does Ordinary Portland Cement contain amorphous phase? A quantitative study using an external standard method

被引:164
作者
Jansen, D. [1 ]
Stabler, Ch [1 ]
Goetz-Neunhoeffer, F. [1 ]
Dittrich, S. [1 ]
Neubauer, J. [1 ]
机构
[1] Univ Erlangen Nurnberg, GeoZentrum Nordbayern, D-91054 Erlangen, Germany
关键词
Ordinary Portland Cement; amorphous content; external standard; G factor; X-RAY-DIFFRACTION; NEUTRON POWDER DIFFRACTION; CRYSTAL-STRUCTURE; REFINEMENT; HYDRATION; CLINKER; ZIRCON; TEMPERATURES; SYNCHROTRON; PATTERNS;
D O I
10.1154/1.3549186
中图分类号
TB3 [工程材料学];
学科分类号
0805 ; 080502 ;
摘要
A suitable external standard method which was first described by O'Connor and Raven (1988) ("Application of the Rietveld refinement procedure in assaying powdered mixtures," Powder Diffr. 3. 2-6) was used to determine the quantitative phase composition of a commonly used Ordinary Portland Cement (OPC). The method was also applied in order to determine amorphous contents in OPC. Also investigated were the impact of atomic displacement parameters and the microstrain on the calculated amorphous content. The investigations yielded evidence that said parameters do indeed exert an influence on the calculated amorphous content. On the basis of the data produced we can conclude that the method used is entirely to be recommended for the examination of OPC. No significant amorphous content could be proven in the OPC used. (C) 2011 International Centre for Diffraction Data. [DOI: 10.1154/1.3549186]
引用
收藏
页码:31 / 38
页数:8
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