Cement and Concrete Characterization by Scanning Electron Microscopyby Paul Stutzman, Natl Inst of Standards and, Technology, Gaithersburg, United States,
Abstract: The scanning electron microscope (SEM) is a powerful tool for the microstructural and chemical characterization of cement and concrete. Imaging techniques such as secondary electron, backscattered electron, and X-ray imaging provide information about surface texture, microstructure, aggregates, and the air void system. X-ray microanalysis is useful for qualitative and quantitative chemical analysis and X-ray mapping of element distribution. Image processing and analysis is used for quantification of microstructural features. The linking of these operations will provide automated, quantitative, and consistent analysis of portland cement and concrete.
Subject Headings: Imaging techniques | Microstructure | X rays | Cement | Chemical elements | Quantitative analysis
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