Please use this identifier to cite or link to this item:
https://hdl.handle.net/10316/4276
DC Field | Value | Language |
---|---|---|
dc.contributor.author | Antunes, F. V. | - |
dc.contributor.author | Ferreira, J. M. | - |
dc.contributor.author | Costa, J. D. | - |
dc.contributor.author | Capela, C. | - |
dc.date.accessioned | 2008-09-01T10:45:06Z | - |
dc.date.available | 2008-09-01T10:45:06Z | - |
dc.date.issued | 2002 | en_US |
dc.identifier.citation | International Journal of Fatigue. 24:10 (2002) 1095-1105 | en_US |
dc.identifier.uri | https://hdl.handle.net/10316/4276 | - |
dc.description.abstract | This paper presents a study on fatigue life predictions in three polymer particle composites with different volume fractions of filler and different particle sizes. Central hole notched specimens were analysed using a fracture mechanics approach. A solution for the stress intensity factor of corner cracks at a hole was obtained using the finite element method and considering quarter-circular and quarter-elliptical cracks of different sizes. The solution was compared with a literature solution and significant differences were found. Fatigue crack propagation tests were performed at room temperature and constant loading amplitude, for stress ratios R=0 and R=-0.75. Finally, fatigue lives, crack shape evolution and final crack length were predicted assuming an initial crack size and considering that the crack maintains a quarter-elliptical shape. The comparison with experimental fatigue lives indicated the presence of initial defects larger than the silica particles; however, these large sizes can be explained by the residual stresses measured near the hole. | en_US |
dc.description.uri | http://www.sciencedirect.com/science/article/B6V35-454FDJ5-7/1/4231c9abb6a4b1b364cde431359b1e14 | en_US |
dc.format.mimetype | aplication/PDF | en |
dc.language.iso | eng | eng |
dc.rights | openAccess | eng |
dc.subject | K solution | en_US |
dc.subject | Corner crack at a hole | en_US |
dc.subject | Crack shape evolution | en_US |
dc.subject | Fatigue life prediction | en_US |
dc.title | Fatigue life predictions in polymer particle composites | en_US |
dc.type | article | en_US |
dc.identifier.doi | 10.1016/S0142-1123(02)00016-6 | - |
uc.controloAutoridade | Sim | - |
item.fulltext | Com Texto completo | - |
item.openairecristype | http://purl.org/coar/resource_type/c_18cf | - |
item.languageiso639-1 | en | - |
item.openairetype | article | - |
item.cerifentitytype | Publications | - |
item.grantfulltext | open | - |
crisitem.author.researchunit | CEMMPRE - Centre for Mechanical Engineering, Materials and Processes | - |
crisitem.author.researchunit | CEMMPRE - Centre for Mechanical Engineering, Materials and Processes | - |
crisitem.author.orcid | 0000-0002-0336-4729 | - |
crisitem.author.orcid | 0000-0003-3334-4945 | - |
Appears in Collections: | FCTUC Eng.Mecânica - Artigos em Revistas Internacionais |
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file9d0dbf1e1de541d4865ab179b4957b00.pdf | 289.5 kB | Adobe PDF | View/Open |
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