Engineering Mechanics

Proceedings Vol. 12 (2006)

ENGINEERING MECHANICS 2006

Copyright © 2006 Institute of Theoretical and Applied Mechanics, Academy of Sciences of the Czech Republic, Prague

 

D. Vavřík, J. Bryscejn, J. Jakůbek, M. Jakůbek, T. Holý, J. Valach, Z. Vykydal
pages 408 - +6p., full text

This work reports on the results of the experimental observation of generation and evolution of internal material damage during loading process in aluminium alloy flat specimen with stress concentrator. Material damage is investigated by means of the “X-ray Dynamic Defectoscopy” technique. To understand related physical processes, the surface plastic strain field is investigated by the optical Method of Interpolated Ellipses while the out-of plane displacement field is inspected simultaneously by the optical Coded photometric stereo method. Related experiments have been realized using unique experimental setup which consists of microfocus X-ray source, compact loading device, CCD camera, LED red-green-blue lights and single X-ray photon counting device Medipix-2.

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