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Jiri Klon http://orcid.org/0000-0002-9551-2185 Stanislav Seitl http://orcid.org/0000-0002-4953-4324 Hana Simonova http://orcid.org/0000-0003-1537-6388 Zbynek Kersner http://orcid.org/0000-0003-4724-6166 Ivana Kumpova http://orcid.org/0000-0001-8556-4996 Daniel Vavrik http://orcid.org/0000-0002-8599-9903

Abstract

In the case of quasi-brittle material, there is a zone of non-linear behaving material, near the crack tip. A major part of this zone forms a socalled fracture process zone (FPZ), where mechanisms of material toughening take place. The main idea is to estimate the size of the fracture process zone under various types of load by using X-ray tomography. The estimation of the zone is supported by the theory of linear elastic fracture mechanics (LEFM) that could be a limit case of quasi-brittle mechanics. The size of the zone envelop is provided in X-ray snaps and compared with the theoretical size from LEFM.

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    How to Cite

    Klon, J., Seitl, S., Simonova, H., Kersner, Z., Kumpova, I. and Vavrik, D. (2017) “Pilot evaluation of a fracture process zone in a modified compact tension specimen by X-ray tomography”, Frattura ed Integrità Strutturale, 11(42), pp. Pages 161–169. doi: 10.3221/IGF-ESIS.42.17.

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