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Estatística
Título: MODELING AND SIMULATION OF ISOTROPIC HARDENING TRANSIENT IN METALLIC MATERIALS
Autor(es): TATIANA STERNBERG HAIMENIS
Colaborador(es): MARCO ANTONIO MEGGIOLARO - Orientador
Catalogação: 12/JUL/2021 Língua(s): PORTUGUESE - BRAZIL
Tipo: TEXT Subtipo: SENIOR PROJECT
Notas: [pt] Todos os dados constantes dos documentos são de inteira responsabilidade de seus autores. Os dados utilizados nas descrições dos documentos estão em conformidade com os sistemas da administração da PUC-Rio.
[en] All data contained in the documents are the sole responsibility of the authors. The data used in the descriptions of the documents are in conformity with the systems of the administration of PUC-Rio.
Referência(s): [pt] https://www.maxwell.vrac.puc-rio.br/projetosEspeciais/TFCs/consultas/conteudo.php?strSecao=resultado&nrSeq=53639@1
[en] https://www.maxwell.vrac.puc-rio.br/projetosEspeciais/TFCs/consultas/conteudo.php?strSecao=resultado&nrSeq=53639@2
DOI: https://doi.org/10.17771/PUCRio.acad.53639
Resumo:
Isotropic hardening characterizes the expansion or compression of the yield surface due to material property changes. It depends on the number of cycles and not on how often it occurs or strain rate. In the fatigue design eN procedure, the transient of hardening or softening in the cycles is not considered, it is assumed that the material has stabilized in steady state since the first cycle. But in projects for short lives, it is important that the transient is taken into account, as it can affect the strain ranges and stress peaks. From data obtained experimentally for 1020 steel and annealed 7075 aluminum, a routine will be created through the MATLAB software where a model will be made from three solutions of the Voce equation that will approximate the Ramberg-Osgood model.
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