18–20 Sept 2013
Paul Scherrer Institut, Villigen, Switzerland
Europe/Zurich timezone

Damage in cement-based materials by the Alkali-Aggregate Reaction: detection and characterization by X-ray Tomographic Microscopy

19 Sept 2013, 12:30
2h
WSLA - Foyer (Paul Scherrer Institut, Villigen, Switzerland)

WSLA - Foyer

Paul Scherrer Institut, Villigen, Switzerland

Board: 61

Speaker

Dr Michele Griffa (EMPA, Swiss Federal Laboratories for Materials Science and Technology)

Description

We investigated the usefulness of X-ray Tomographic Microscopy (XTM) as a tool for the detection and characterization, at multiple scales, of the damage produced by the Alkali-Aggregate Reaction (AAR) in cement-based materials. The goal of our broad experimental campaign was to assess the potentiality of XTM as a non-destructive technique complementary to other 2D microscopy methods that require invasive specimen preparation.

Primary author

Dr Michele Griffa (EMPA, Swiss Federal Laboratories for Materials Science and Technology)

Co-authors

Dr Andreas Leemann (EMPA, Swiss Federal Laboratories for Materials Science and Technology) Dr Beat Münch (EMPA, Swiss Federal Laboratories for Materials Science and Technology) Mr Go Igarashi (Nagoya University) Dr Iwan Jerjen (EMPA, Swiss Federal Laboratories for Materials Science and Technology) Dr Philipp Schüetz (EMPA, Swiss Federal Laboratories for Materials Science and Technology) Prof. Pietro Lura (EMPA, Swiss Federal Laboratories for Materials Science and Technology - IfB, ETHZ) Rajmund Mokso (Paul Scherrer Institut)

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