硅粉水泥石小角度X射线散射实验研究(Ⅰ)——微孔各向异性

摘要:

根据X射线小角度散射 (SAXS)理论 ,对描述硅粉水泥石中微孔各向异性程度的特征参数———孔形状因子进行了实验研究 .研究表明 ,所测定的硅粉水泥石中 ,微孔的形状大多数与球形较为接近 ;硅粉含量、水灰比对孔形状因子有较大影响 ;孔形状因子与水泥石强度之间存在着较显著的相关性 .

Abstract:

According to the theory of small angle X ray scattering, a parameter called shape factor was studied to describe degree of anisotropy of micropores in cement paste. The results show that the pores are almost spherical in shape. The effects of the content of silica fume and the ratio of water cement on shape factors are remarkable. Correlations between strengths and micropore shape factor have been found.