2024-03-29T12:35:48Zhttps://riubu.ubu.es/oai/requestoai:riubu.ubu.es:10259/56632021-11-02T12:04:42Zcom_10259_4201com_10259_5086com_10259_2604col_10259_4505
Martínez Pañeda, Emilio
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Cuesta Segura, Isidoro Iván
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Peñuelas, I.
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Díaz Portugal, Andrés
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Alegre Calderón, Jesús Manuel
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2021-03-24T10:59:39Z
2021-03-24T10:59:39Z
2016-12
0167-8442
http://hdl.handle.net/10259/5663
10.1016/j.tafmec.2016.09.002
Ductile damage modeling within the Small Punch Test (SPT) is extensively investigated. The capabilities of the SPT to reliably estimate fracture and damage properties are thoroughly discussed and emphasis is placed on the use of notched specimens. First, different notch profiles are analyzed and constraint conditions quantified. The role of the notch shape is comprehensively examined from both triaxiality and notch fabrication perspectives. Afterwards, a methodology is presented to extract the micromechanical-based ductile damage parameters from the load-displacement curve of notched SPT samples. Furthermore, Gurson-Tvergaard-Needleman model predictions from a top-down approach are employed to gain insight into the mechanisms governing crack initiation and subsequent propagation in small punch experiments. An accurate assessment of micromechanical toughness parameters from the SPT is of tremendous relevance when little material is available.
Ministry of Economy and Competitiveness of Spain through grant MAT2014-58738-C3
application/pdf
eng
Elsevier
Theoretical and Applied Fracture Mechanics. 2016. V. 86, Part A, p. 51-60
https://doi.org/10.1016/j.tafmec.2016.09.002
info:eu-repo/grantAgreement/MINECO/MAT2014-58738-C3
Small Punch Test
Fracture toughness
Ductile damage
Finite element method
Resistencia de materiales
Strength of materials
Damage modeling in Small Punch Test specimens
info:eu-repo/semantics/article
info:eu-repo/semantics/submittedVersion
info:eu-repo/semantics/openAccess
Theoretical and Applied Fracture Mechanics
86
51
60
ORIGINAL
Martinez-tafm_2018.pdf
Martinez-tafm_2018.pdf
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LICENSE
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oai:riubu.ubu.es:10259/5663
2021-11-02 13:04:42.033
Repositorio Institucional de la Universidad de Burgos
bubrep@ubu.es
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