Modeling of the mechanical behavior of composite at different relative humidities
The moisture diffusion and mechanical response in shear of a laminate constituted of 12 layers of glass fabric fiber/epoxy resin were evaluated. The experimental analysis of the moisture absorption of the specimens conditioned at different relative humidities, 0, 60, and 96% RH at 60°C was to...
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| Datum: | 2009 |
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| 1. Verfasser: | |
| Format: | Artikel |
| Sprache: | English |
| Veröffentlicht: |
Інститут проблем міцності ім. Г.С. Писаренко НАН України
2009
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| Schriftenreihe: | Проблемы прочности |
| Schlagworte: | |
| Online Zugang: | http://dspace.nbuv.gov.ua/handle/123456789/48399 |
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| Назва журналу: | Digital Library of Periodicals of National Academy of Sciences of Ukraine |
| Zitieren: | Modeling of the mechanical behavior of composite at different relative humidities / A. Naceri // Проблемы прочности. — 2009. — № 4. — С. 133-140. — Бібліогр.: 9 назв. — англ. |
Institution
Digital Library of Periodicals of National Academy of Sciences of Ukraine| Zusammenfassung: | The moisture diffusion and mechanical response
in shear of a laminate constituted of
12 layers of glass fabric fiber/epoxy resin
were evaluated. The experimental analysis
of the moisture absorption of the specimens
conditioned at different relative humidities,
0, 60, and 96% RH at 60°C was to determine
the two parameters characteristic of the Fick
diffusion law (the diffusion coefficient D
and the maximum quantity of water of saturation
Mm) which admits the reversibility of
the phenomenon. The analysis of the mechanical
response in shear of the specimens
oriented at 45° tested in uniaxial tension at
constant imposed displacement rates, has
permitted to show that the influence of the
moisture concentration for the composite is very important at 96% RH. The proposed simple
model permits to specify the influence of water
absorption on the mechanical behavior in shear. |
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