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Fatigue failure analysis of HSLA steel sheets holed by conventional and flow drilling processes
dc.contributor.author | Policena, Mauricio Rodrigues | pt_BR |
dc.contributor.author | Trindade, Arielton Vinícius | pt_BR |
dc.contributor.author | Fripp, William Haubert | pt_BR |
dc.contributor.author | Israel, Charles Leonardo | pt_BR |
dc.contributor.author | Fronza, Grégori Rinaldi | pt_BR |
dc.contributor.author | Souza, André João de | pt_BR |
dc.date.accessioned | 2019-07-19T02:33:46Z | pt_BR |
dc.date.issued | 2019 | pt_BR |
dc.identifier.issn | 1517-7076 | pt_BR |
dc.identifier.uri | http://hdl.handle.net/10183/197148 | pt_BR |
dc.description.abstract | Flow drilling process produces bushes for removable joints that can be threaded by forming tapping process, reducing stages in production of components of automobile industry and in construction sheds. High strength and low alloy steels (HSLA) are employed on several applications in the processing industry. Benefits pro-vided by these materials make them an efficient solution, since their high cold resistance allows reducing weight on structures, as well as maintaining the required mechanical properties. The present study evaluated the conventional and friction drilling processes in HSLA steel sheets with a thickness of 4.25 mm. Specimens were subjected to cyclic loadings, with no rework after holemaking, so the resultant characteristics of each process were maintained. Fractured surfaces were analyzed with a scanning electron microscope (SEM) to identify the fracture mechanism in different drilling processes. Fractographies obtained on both processes indicated that the failure mechanism occurred due to ductile fracture resulting from the nucleation, growth and coalescence of micro cavities. | en |
dc.format.mimetype | application/pdf | pt_BR |
dc.language.iso | eng | pt_BR |
dc.relation.ispartof | Revista matéria [recurso eletrônico]. Rio de Janeiro, RJ. Vol. 24, n. 2 (2019), Art. e-12374, [8] p. | pt_BR |
dc.rights | Open Access | en |
dc.subject | High strength low alloy steel | en |
dc.subject | Aço de alta resistência | pt_BR |
dc.subject | Conventional drilling | en |
dc.subject | Fratura (Engenharia) | pt_BR |
dc.subject | Flow drilling | en |
dc.subject | Análise de falhas | pt_BR |
dc.subject | Ductile fracture | en |
dc.title | Fatigue failure analysis of HSLA steel sheets holed by conventional and flow drilling processes | pt_BR |
dc.type | Artigo de periódico | pt_BR |
dc.identifier.nrb | 001096304 | pt_BR |
dc.type.origin | Nacional | pt_BR |
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