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首页> 外文期刊>journal of applied polymer science >Hygrothermal aging studies of short carbon fiber reinforced nylon 6.6
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Hygrothermal aging studies of short carbon fiber reinforced nylon 6.6

机译：Hygrothermal aging studies of short carbon fiber reinforced nylon 6.6

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AbstractA study of hygrothermal aging, in terms of the kinetics of moisture absorption by nylon 6.6 and its carbon fiber‐reinforced composites, has been undertaken. The diffusion of water into the various materials was investigated at 100 relative humidity, by immersion of specimens in water at temperatures of between 25 and 100°C. A mathematical treatment used in analyzing the data was that of a single free phase model of diffusion, which assumed Fickian diffusion and utilized Fick's second law of diffusion. Good agreement was observed between the experimental and theoretical values. The equilibrium moisture content and the apparent diffusion coefficient of the various composites were evaluated. Hygrothermal aging has reduced the tensile properties of both unreinforced and reinforced nylon 6.6, albeit a better recoverability of the properties was achieved by the former after drying. This behavior is explained in terms of the combined action of moisture‐induced plasticization and interfacial degradation. © 1994 John WileySons

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