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Experimental Mechanics
Erschienen in: Experimental Mechanics 2/2015

01.02.2015

Fracture Study on Key-Hole Notches Under Tension: Two Brittle Fracture Criteria and Notch Fracture Toughness Measurement by the Disk Test

verfasst von: A. R. Torabi, S. M. Abedinasab

Erschienen in: Experimental Mechanics | Ausgabe 2/2015

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Abstract

Notch fracture toughness expressions were developed for predicting tensile fracture in members containing key-hole notches based on the point stress and the mean stress criteria. The criteria were verified by using the experimental results obtained from new fracture tests on the key-hole notched Brazilian disk specimens, made of PMMA. It was found that the mean stress criterion predicts the experimental results very well. Also, found in this research was that while the point stress model provides generally satisfactory estimations, except for a special case, the accuracy of this criterion enhances as the notch radius increases.
Vorheriger Artikel Digital Image Correlation Development for the Study of Materials Including Multiple Crossing Cracks
Nächster Artikel Adaptive Neutron Radiography Correlation for Simultaneous Imaging of Moisture Transport and Deformation in Hygroscopic Materials

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Metadaten
Titel
Fracture Study on Key-Hole Notches Under Tension: Two Brittle Fracture Criteria and Notch Fracture Toughness Measurement by the Disk Test
verfasst von
A. R. Torabi
S. M. Abedinasab
Publikationsdatum
01.02.2015
Verlag
Springer US
Erschienen in
Experimental Mechanics / Ausgabe 2/2015
Print ISSN: 0014-4851
Elektronische ISSN: 1741-2765
DOI
https://doi.org/10.1007/s11340-014-9949-0

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