Influence of Thickness on the Values of Stress Intensity Factor in Compact Tension Specimen
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Germana Fernandez,
Petr Miarka,
Stanislav Seitl
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| Transactions of the VSB - Technical University of Ostrava, Civil Engineering Series |
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2021, Volume 21, Issue 2, Pages 54-59
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Doi: 10.35181/tces-2021-0014
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It is well known that value of fracture toughness depends on the thickness of studied specimen. This paper deals with an assessment of the influence of the thickness on the values of stress intensity factor measured at crack tip in the compact-tension specimen. For this a numerical model was assembled representing different specimen’s thicknesses and material characteristics. From this 3D numerical model, the SIF values were calculated using by direct extrapolation method.
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