microkek - Overview of Microscopy of Cement-based Materials...

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Dr. Kimberly Kurtis School of Civil Engineering Georgia Institute of Technology Atlanta, Georgia Overview of Microscopy of Cement-based Materials Sample Prep THE MOST CRITICAL STEP Avoid introduction of artifacts (material loss, cracking, etc.) Image representative sample sites (sampling techniques and number of image locations) Often must be creative Many steps are painstaking and require patience to be successful
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Many Techniques Available Most standard: Optical Scanning Electron Also available: Confocal (optical) Variable pressure electron microscopy Transmission electron microscopy Transmission soft x-ray microscopy X-ray microtomography Atomic force microscopy Nuclear magnetic resonance Resolution
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Optical Microscopy Alite, C 3 S Belite, C 2 S Confocal Microscopy Three-dimensional representations are formed by acquiring a series of imag