2021
DOI: 10.1016/j.tafmec.2020.102844
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Fracture toughness correction due to the in- and out-of-plane constraints

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Cited by 7 publications
(7 citation statements)
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“…−80 °C) [ 158 ], ( d ) numerical model of the SENB specimen in Abaqus, reprinted with permission from Ref. [ 159 ]. 2023, Elsevier.…”
Section: Figurementioning
confidence: 99%
“…−80 °C) [ 158 ], ( d ) numerical model of the SENB specimen in Abaqus, reprinted with permission from Ref. [ 159 ]. 2023, Elsevier.…”
Section: Figurementioning
confidence: 99%
“…To characterize simultaneously in-plane and outof-plane constraints ahead of the crack tip, the HRR approach is extended by means of the stress constraint factor T zu. [23][24][25][26][27] The J-T zu -A T concept connects the advantages of the J-T zu and J-A 2 solutions; the J-T zu-A T solution is developed for the 3D crack-tip constraint theory. 28 To characterize two types of constraints, the following parameters of the plastic deformation behavior of the material near the crack tip can be also introduced in the model, 16,[29][30][31] the crack tip opening displacement, [32][33][34] the critical crack tip opening angle, 35 and the plastic work-based parameter.…”
Section: -22mentioning
confidence: 99%
“…To correct the fracture toughness measured on a standard specimen with high crack-tip constraint level and construct basic formulae and dependencies, some constraint parameters have been employed and verified. 25,26,29,[33][34][35][37][38][39][40] The present paper deals with the J-A concept based on the three-term asymptotic elastic-plastic solution in two-parameter fracture mechanics. This concept is theoretically substantiated for elastic-plastic crack-tip stresses, unlike other artificially created concepts.…”
Section: -22mentioning
confidence: 99%
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“…Abaqus CAE is a computer program that can be used to analyse the parameters of fibre concrete fracture mechanics [ 34 , 35 ]. The results of numerical calculations are the determined material values and parameters: strains, stresses, stress triaxiality coefficient, etc [ 36 ]. The essential features of the program ensuring reliable results are: a consistent reflection of the geometry of the analysed element in the program, adoption of boundary conditions to the numerical model, consistent with those observed in experimental tests, appropriate preparation and application of a material relationship, and the development of a high-quality finite element mesh [ 37 ].…”
Section: Introductionmentioning
confidence: 99%