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Mechanical properties of Al2O3 inverse opals by means of nanoindentation

Autor
Roa, J.J.; Coll, A.; Bermejo, S.; Jimenez-Pique, E.; Alcubilla, R.; Castañer, L.; Llanes, L.
Tipus d'activitat
Article en revista
Revista
Journal of physics D. Applied physics
Data de publicació
2016
Volum
49
Pàgina inicial
455303/1
Pàgina final
455303/7
DOI
https://doi.org/10.1088/0022-3727/49/45/455303 Obrir en finestra nova
Repositori
http://hdl.handle.net/2117/91314 Obrir en finestra nova
URL
http://iopscience.iop.org/article/10.1088/0022-3727/49/45/455303/meta;jsessionid=ABABCEE969391ED4E746DC10E97E22CB.c2.iopscience.cld.iop.org Obrir en finestra nova
Resum
In order to understand the mechanical behaviour of Al2O3 inverse opals, nanoindentation techniques have been implemented in material layers with three different microstructures, in terms of hollow or polystyrene spheres, with Al2O3 shells of distinct wall thickness. Different indenter tip geometries as well as contact loading conditions have been used, in order to induce different stress field and fracture events to the layers. Field emission scanning electron microscopy and focused ion beam hav...
Citació
Roa, J.J., Coll, A., Bermejo, S., Jimenez-Pique, E., Alcubilla, R., Castañer, L., Llanes, L. Mechanical properties of Al2O3 inverse opals by means of nanoindentation. "Journal of physics D. Applied physics", 2016, vol. 49, p. 455303/1-455303/7.
Paraules clau
Al2O3 inverse opal, densification, elastic modulus, fracture events, hardness, stress–strain curve
Grup de recerca
CIEFMA - Centre d'Integritat Estructural, Micromecànica i Fiabilitat dels Materials
CRnE - Centre de Recerca en Ciència i Enginyeria Multiescala de Barcelona
MNT - Grup de Recerca en Micro i Nanotecnologies

Participants

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