Please use this identifier to cite or link to this item:
https://hdl.handle.net/10316/4171
DC Field | Value | Language |
---|---|---|
dc.contributor.author | Borrego, L. P. | - |
dc.contributor.author | Ferreira, J. M. | - |
dc.contributor.author | Costa, J. M. | - |
dc.date.accessioned | 2008-09-01T10:43:18Z | - |
dc.date.available | 2008-09-01T10:43:18Z | - |
dc.date.issued | 2008 | en_US |
dc.identifier.citation | International Journal of Fatigue. 30:10-11 (2008) 1787-1796 | en_US |
dc.identifier.uri | https://hdl.handle.net/10316/4171 | - |
dc.description.abstract | Fatigue crack propagation tests under high-low and low-high block loading sequences have been performed in aluminium alloy specimens. The tests were carried out at constant [Delta]K conditions. Two stress ratios were analysed: R = 0.05 and R = 0.4. Crack closure was monitored in all tests by the compliance technique using a pin microgauge. The observed transient post load step behaviour is discussed in terms of the load change magnitude, [Delta]K baseline levels and stress ratio. The crack closure level was obtained and compared with the crack growth transients. A good agreement between experimental and predicted crack growth rates is obtained when the partial crack closure effect is properly taken into account. Therefore, plasticity-induced crack closure plays an important role on the load interaction effects observed in aluminium alloys. | en_US |
dc.description.uri | http://www.sciencedirect.com/science/article/B6V35-4S01WM6-1/1/55ac18d861098dc98cd7150c4c5fa4d3 | en_US |
dc.format.mimetype | aplication/PDF | en |
dc.language.iso | eng | eng |
dc.rights | openAccess | eng |
dc.subject | Aluminium alloy | en_US |
dc.subject | Fatigue crack growth | en_US |
dc.subject | Block loading | en_US |
dc.subject | Crack closure | en_US |
dc.subject | Partial crack closure | en_US |
dc.title | Partial crack closure under block loading | en_US |
dc.type | article | en_US |
dc.identifier.doi | 10.1016/j.ijfatigue.2008.02.004 | - |
item.openairecristype | http://purl.org/coar/resource_type/c_18cf | - |
item.openairetype | article | - |
item.cerifentitytype | Publications | - |
item.grantfulltext | open | - |
item.fulltext | Com Texto completo | - |
item.languageiso639-1 | en | - |
crisitem.author.researchunit | CEMMPRE - Centre for Mechanical Engineering, Materials and Processes | - |
crisitem.author.orcid | 0000-0003-0259-8926 | - |
Appears in Collections: | FCTUC Eng.Mecânica - Artigos em Revistas Internacionais |
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filee4900801a64f43c49af2f837a78137ea.pdf | 480.94 kB | Adobe PDF | View/Open |
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