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Processing of Electron Microprobe Data from the Analysis of Altered Cementitious Materials by A. Bertron; G. Escadeillas; P. de Parseval; J. Duchesne is a Engineering article available to read on EtoBox.

What is Processing of Electron Microprobe Data from the Analysis of Altered Cementitious Materials about?

The purpose of this paper is to present a method for processing electron microprobe data coming from the analysis of degraded cementitious materials. The application domain is that of cement matrices exposed to attack by aggressive media inducing the leaching of one or more chemical elements from the cement pastetypically attacked by neutral or acid aqueous environments. As raw data obtained from electron probe microanalysis (EPMA) come in the form of relative quantities of elements, the aim of the processing is to obtain the absolute variation of the specimen's chemical composition in the degraded zone and consequently to allow a better understanding of the degradation mechanisms by the aggressive environment under consideration. This method was designed for degraded specimens in which the porosity was not filled with resin before the EPMA. The method uses the titanium content of the cement matrix as a control, this element being stable during attack by neutral or acidic media. The method is described in detail using the example of the attack of cement pastes by a mix of several organic acids (notably acetic acid) at pH 4. The use of EPMA for sound and altered cement pastes is als

Who reads Processing of Electron Microprobe Data from the Analysis of Altered Cementitious Materials?

Author

A. Bertron; G. Escadeillas; P. de Parseval; J. Duchesne

Publisher

Elsevier Science; Elsevier ; Elsevier Ltd.; Elsevier BV (ISSN 0008-8846)

Published

2009

Language

EN

Field

Engineering (Physical Sciences)