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This paper follows the hydration of both portland cement and tricalcium silicate pastes between 30min and 16h of hydration. In-situ fast X-ray computed tomography (fCT) was used to make direct observations of the air-filled void formation in w/s of 0.40 to 0.70 with a micron resolution.The results show that over the first hour of the acceleration period the volume of air-filled voids reaches a maximum...
While there is great interest in characterizing and modifying materials at the nanoscale, progress has been slow because few techniques allow for critical observations at this length scale. This work presents a data fusion technique that combines synchrotron-based X-ray nano computed tomography and nano X-ray fluorescence to non-destructively investigate complex nanoscale materials and provide combined...
A novel data fusion technique is presented that combines X-ray computed tomography (CT) and electron probe microanalysis to investigate fly ash particles. The technique is called Tomography Assisted Chemical Correlation (TACCo). This technique fuses 2D compositional data with 3D X-ray CT data. The method produces 3D constituent and microstructure maps. Results and observations are presented that show...
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