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National Repository of Grey Literature 2 records found  Search took 0.01 seconds. 
Fracture mechanics parameters of bi-material body
 Šestáková, Lucie
Multilayer pipes consisting of different materials are frequently used in praxis because of partial improvement of the properties of pipe systems. To estimate their service life the basic fracture parameters have to be determined. In this work finite element calculations are applied in order to estimate the stress intensity factor K and T-stress values. Transferability of the fracture mechanics parameters obtained from two proposed C-type specimens to pipe systems was discussed using a constraint-based two-parameter fracture mechanics approach.
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Numerical analysis of non-homogenous specimens used for measurement of fracture mechanics parameters of polyethylen
 Šestáková, Lucie ; Majer, Zdeněk
In this paper the fracture mechanics behaviour of a multilayer pipe composed from three layers is analysed. The aim of the contribution is to estimate the values of the stress intensity factor K and the T-stress for a crack initiated from the inner surface. The infuence of interface on crack propagation is studied.
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