Detalhes bibliográficos
Ano de defesa: |
2013 |
Autor(a) principal: |
Silva, Marcio Erick Gomes da
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Orientador(a): |
Griza, Sandro
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Banca de defesa: |
Não Informado pela instituição |
Tipo de documento: |
Dissertação
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Tipo de acesso: |
Acesso aberto |
Idioma: |
por |
Instituição de defesa: |
Não Informado pela instituição
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Programa de Pós-Graduação: |
Pós-Graduação em Ciência e Engenharia de Materiais
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Departamento: |
Não Informado pela instituição
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País: |
Não Informado pela instituição
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Palavras-chave em Português: |
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Palavras-chave em Inglês: |
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Área do conhecimento CNPq: |
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Link de acesso: |
https://ri.ufs.br/handle/riufs/3488
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Resumo: |
The design of a bolted joint shall consider several factors such as material and heat treatment of the bolt (defined by the class of the bolt), stiffness of the parts being assembled (stiffness of the union), dimensions of the bolt, among others. In our study we used bolts M6x1, class 8.8, with three different lengths: 40 mm, 60 mm and 80 mm. The purpose of this study is to verify the relationship between the length of the bolt and the fatigue limit of the bolted joints, subjected to fluctuating cyclic loading of tension. The results indicated that the greater the length of the bolt, the larger the fatigue limit. An analytical study was also evaluated on the relationship between the cyclic stress amplitude and the mean stress experienced by the bolts with 40 mm of length. The results were compared with the bolt fatigue diagram of the BURGUETE and PATTERSON (1995). Correction factors were proposed for the relationship between cyclic stress amplitude. The adapted model from LEHNHOFF and WISTEHUFF (1996) for M6 bolts was the one whose results were the closest to estimated. |