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Rietveld Refinement of an Oil Field Cement Blend

机译:Rietveld精炼油田水泥混合物

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X-ray powder diffraction allows direct measurement of the phase content in cement;rnhowever, quantification of component phases requires rigorous post-acquisition analysis. In thisrnwork, an as-received cement was analyzed using a combination of Cu Kα X-ray diffraction,rnRietveld refinement, and X-ray fluorescence to quantify the initial cement composition.rnDiffraction and fluorescence were shown to be complementary techniques for analyzing cementrnThe cement was then blended with varying amounts of crystalline silica and analyzed using thernRietveld method. Results indicate that the blended cement compositions were in line withrncalculated quantities of individual components of the cement blend, suggesting the Rietveldrnmethod can be used to quantify all crystalline components in a cement blend simultaneously.
机译:X射线粉末衍射可直接测量水泥中的相含量;但是,组分相的定量需要严格的采集后分析。在这项工作中,使用CuKαX射线衍射,Rietveld精炼和X射线荧光相结合的方法对原样水泥进行了分析,以量化水泥的初始组成。衍射和荧光被证明是分析水泥的补充技术。然后与不同量的结晶二氧化硅共混,并使用rnietveld方法进行分析。结果表明,掺合水泥组合物与水泥掺混物中各个组分的计算量相符,表明Rietveldrn方法可用于同时定量水泥掺合物中的所有结晶组分。

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