Analysis of thermal diffusivity in aluminum (particle)-filled PMMA compounds
The thermal diffusivity of particulate compounds of polymethylmethacrylate (PMMA) and aluminum powder was evaluated from measurements of temperature in samples during heating in the range of temperature between 100 and 370 K. Samples were prepared with a filler volume fraction of up to 0.15. Results...
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2001
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| Acceso en línea: | https://bibliotecadigital.exactas.uba.ar/collection/paper/document/paper_00323861_v42_n12_p5267_Goyanes http://hdl.handle.net/20.500.12110/paper_00323861_v42_n12_p5267_Goyanes |
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paper:paper_00323861_v42_n12_p5267_Goyanes2025-07-30T17:40:58Z Analysis of thermal diffusivity in aluminum (particle)-filled PMMA compounds Goyanes, Silvia Nair Marconi, Jorge Diego König, Pablo Germán Matteó, Claudia Leda Marzocca, Angel José Aluminum-PMMA compounds Thermal conductivity Thermal diffusivity Aluminum Fillers Specific heat Thermal diffusion Thermal effects Hashin-Shtrikman relationship Polymethyl methacrylates aluminum filler poly(methyl methacrylate) Aluminum Polymethyl methacrylate powder Thermal diffusion article density finite element analysis heat heating model temperature measurement thermal conductivity The thermal diffusivity of particulate compounds of polymethylmethacrylate (PMMA) and aluminum powder was evaluated from measurements of temperature in samples during heating in the range of temperature between 100 and 370 K. Samples were prepared with a filler volume fraction of up to 0.15. Results were analyzed in the framework of the Hashin-Shtrikman relationship, based on variational principles, and within Nielsen's model, modified to describe thermal diffusivity. For this purpose, the dependence of specific heat and density of compounds upon temperature was calculated. It will be shown that Nielsen's model can predict the behavior of the thermal diffusivity within the whole range of temperatures of the tested compounds, while the Hashin-Shtrikman relationship underestimates the experimental values. © 2001 Elsevier Science Ltd. Fil:Goyanes, S.N. Universidad de Buenos Aires. Facultad de Ciencias Exactas y Naturales; Argentina. Fil:Marconi, J.D. Universidad de Buenos Aires. Facultad de Ciencias Exactas y Naturales; Argentina. Fil:König, P.G. Universidad de Buenos Aires. Facultad de Ciencias Exactas y Naturales; Argentina. Fil:Matteo, C.L. Universidad de Buenos Aires. Facultad de Ciencias Exactas y Naturales; Argentina. Fil:Marzocca, A.J. Universidad de Buenos Aires. Facultad de Ciencias Exactas y Naturales; Argentina. 2001 https://bibliotecadigital.exactas.uba.ar/collection/paper/document/paper_00323861_v42_n12_p5267_Goyanes http://hdl.handle.net/20.500.12110/paper_00323861_v42_n12_p5267_Goyanes |
| institution |
Universidad de Buenos Aires |
| institution_str |
I-28 |
| repository_str |
R-134 |
| collection |
Biblioteca Digital - Facultad de Ciencias Exactas y Naturales (UBA) |
| topic |
Aluminum-PMMA compounds Thermal conductivity Thermal diffusivity Aluminum Fillers Specific heat Thermal diffusion Thermal effects Hashin-Shtrikman relationship Polymethyl methacrylates aluminum filler poly(methyl methacrylate) Aluminum Polymethyl methacrylate powder Thermal diffusion article density finite element analysis heat heating model temperature measurement thermal conductivity |
| spellingShingle |
Aluminum-PMMA compounds Thermal conductivity Thermal diffusivity Aluminum Fillers Specific heat Thermal diffusion Thermal effects Hashin-Shtrikman relationship Polymethyl methacrylates aluminum filler poly(methyl methacrylate) Aluminum Polymethyl methacrylate powder Thermal diffusion article density finite element analysis heat heating model temperature measurement thermal conductivity Goyanes, Silvia Nair Marconi, Jorge Diego König, Pablo Germán Matteó, Claudia Leda Marzocca, Angel José Analysis of thermal diffusivity in aluminum (particle)-filled PMMA compounds |
| topic_facet |
Aluminum-PMMA compounds Thermal conductivity Thermal diffusivity Aluminum Fillers Specific heat Thermal diffusion Thermal effects Hashin-Shtrikman relationship Polymethyl methacrylates aluminum filler poly(methyl methacrylate) Aluminum Polymethyl methacrylate powder Thermal diffusion article density finite element analysis heat heating model temperature measurement thermal conductivity |
| description |
The thermal diffusivity of particulate compounds of polymethylmethacrylate (PMMA) and aluminum powder was evaluated from measurements of temperature in samples during heating in the range of temperature between 100 and 370 K. Samples were prepared with a filler volume fraction of up to 0.15. Results were analyzed in the framework of the Hashin-Shtrikman relationship, based on variational principles, and within Nielsen's model, modified to describe thermal diffusivity. For this purpose, the dependence of specific heat and density of compounds upon temperature was calculated. It will be shown that Nielsen's model can predict the behavior of the thermal diffusivity within the whole range of temperatures of the tested compounds, while the Hashin-Shtrikman relationship underestimates the experimental values. © 2001 Elsevier Science Ltd. |
| author |
Goyanes, Silvia Nair Marconi, Jorge Diego König, Pablo Germán Matteó, Claudia Leda Marzocca, Angel José |
| author_facet |
Goyanes, Silvia Nair Marconi, Jorge Diego König, Pablo Germán Matteó, Claudia Leda Marzocca, Angel José |
| author_sort |
Goyanes, Silvia Nair |
| title |
Analysis of thermal diffusivity in aluminum (particle)-filled PMMA compounds |
| title_short |
Analysis of thermal diffusivity in aluminum (particle)-filled PMMA compounds |
| title_full |
Analysis of thermal diffusivity in aluminum (particle)-filled PMMA compounds |
| title_fullStr |
Analysis of thermal diffusivity in aluminum (particle)-filled PMMA compounds |
| title_full_unstemmed |
Analysis of thermal diffusivity in aluminum (particle)-filled PMMA compounds |
| title_sort |
analysis of thermal diffusivity in aluminum (particle)-filled pmma compounds |
| publishDate |
2001 |
| url |
https://bibliotecadigital.exactas.uba.ar/collection/paper/document/paper_00323861_v42_n12_p5267_Goyanes http://hdl.handle.net/20.500.12110/paper_00323861_v42_n12_p5267_Goyanes |
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| _version_ |
1840322144428359680 |