Artículo
Marzocca, A.J.; Somoza, A.; Goyanes, S.N.; Salgueiro, W.; König, P. "Characterization of free volume in particulate-filled epoxy resin by means of dynamic mechanical analysis and positron annihilation lifetime spectroscopy" (2002) Polymer International. 51(11):1277-1284
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Abstract:
Dynamic mechanical measurements were carried out in composites made of quartz powder-filled epoxy resin at frequencies between 7 and 600 Hz and temperatures between 290 and 460 K. Using the William-Landel-Ferry relationship, master curves of the dynamic moduli were obtained as a function of the frequency and the related coefficients, c 0 1 and c 0 2 , were evaluated. The activation energy of the α relaxation was calculated and the influence of the filler content on the free volume was determined. The average free volumes were also measured in the composites by means of positron annihilation lifetime spectroscopy (PALS). Considering the constituent phases and the conditions of cure, the internal residual stresses in the matrix were evaluated and their influence on the free volume is discussed. Both DMA and PALS show similar results of the dependence of free volume with the filler content in the composite. © 2002 Society of Chemical Industry.
Registro:
| Documento: | Artículo |
| Título: | Characterization of free volume in particulate-filled epoxy resin by means of dynamic mechanical analysis and positron annihilation lifetime spectroscopy |
| Autor: | Marzocca, A.J.; Somoza, A.; Goyanes, S.N.; Salgueiro, W.; König, P. |
| Filiación: | LPMPyMC, Departamento de Física, Facultad Ciencias Exactas/Naturales, Buenos Aires 1428, Argentina IFIMAT, UNCentro, Pinto 399, Tandil 7000, Argentina Com.Invest.Cientificas, de la Provincia Buenos Aires, Tandil, Pinto 399 7000, Argentina CONICET, Buenos Aires, Argentina |
| Palabras clave: | Dynamic mechanical analysis; Free volume; Internal residual stress; Positron annihilation lifetime spectroscopy; Quartz-filled epoxy resin; Activation energy; Characterization; Composite materials; Dynamic mechanical analysis; Positron annihilation spectroscopy; Residual stresses; Particulate-filled epoxy resins; Epoxy resins; epoxy resin |
| Año: | 2002 |
| Volumen: | 51 |
| Número: | 11 |
| Página de inicio: | 1277 |
| Página de fin: | 1284 |
| DOI: | http://dx.doi.org/10.1002/pi.1017 |
| Título revista: | Polymer International |
| Título revista abreviado: | Polym. Int. |
| ISSN: | 09598103 |
| Registro: | https://bibliotecadigital.exactas.uba.ar/collection/paper/document/paper_09598103_v51_n11_p1277_Marzocca |
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Citas:
---------- APA ----------
Marzocca, A.J., Somoza, A., Goyanes, S.N., Salgueiro, W. & König, P. (2002) . Characterization of free volume in particulate-filled epoxy resin by means of dynamic mechanical analysis and positron annihilation lifetime spectroscopy. Polymer International, 51(11), 1277-1284.http://dx.doi.org/10.1002/pi.1017
---------- CHICAGO ----------
Marzocca, A.J., Somoza, A., Goyanes, S.N., Salgueiro, W., König, P. "Characterization of free volume in particulate-filled epoxy resin by means of dynamic mechanical analysis and positron annihilation lifetime spectroscopy" . Polymer International 51, no. 11 (2002) : 1277-1284.http://dx.doi.org/10.1002/pi.1017
---------- MLA ----------
Marzocca, A.J., Somoza, A., Goyanes, S.N., Salgueiro, W., König, P. "Characterization of free volume in particulate-filled epoxy resin by means of dynamic mechanical analysis and positron annihilation lifetime spectroscopy" . Polymer International, vol. 51, no. 11, 2002, pp. 1277-1284.http://dx.doi.org/10.1002/pi.1017
---------- VANCOUVER ----------
Marzocca, A.J., Somoza, A., Goyanes, S.N., Salgueiro, W., König, P. Characterization of free volume in particulate-filled epoxy resin by means of dynamic mechanical analysis and positron annihilation lifetime spectroscopy. Polym. Int. 2002;51(11):1277-1284.http://dx.doi.org/10.1002/pi.1017
