Regensburg 2010 – wissenschaftliches Programm

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MM: Fachverband Metall- und Materialphysik

MM 13: Topical Session Designing Innovative Structural Materials and Steels IV

MM 13.4: Vortrag

Montag, 22. März 2010, 16:45–17:00, H4

Phase-contrast imaging with an x-ray grating interferometer in materials science using noncoherent synchrotron radiation — •Julia Herzen1, Felix Beckmann1, Tilman Donath2, Malte Ogurreck1, Stefan Riekehr1, Christian David2, Franz Pfeiffer3, Astrid Haibel1, and Andreas Schreyer11GKSS Research Centre, Geesthacht, Germany — 2Paul Scherrer Institute, Villigen PSI, Switzerland — 3Technische Universität München, Munich, Germany

Phase-contrast imaging with a hard x-ray grating interferometer is used to increase contrast for weak absorbing materials. It is a well established imaging method to visualize soft tissue in many medical and biological applications. Here we present the approach of using this method in the field of materials science, especially in imaging of new light-weight materials like magnesium and aluminium alloys. We show that more information from a single x-ray projection image can be gained by combining the different contrasts obtained by this imaging method simultaneously. This information can be used to optimize advanced joining techniques for such materials.

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