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نویسندگان مقالات پربازدید :
مواد و طراحی
جزئیات رویداد
اینستاگرام تی پی بین
همایش ، رویداد ، ژورنال
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  • characterization and processing of high density polyethylene/carbon nano-composites

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    جزئیات بیشتر مقاله
    • تاریخ ارائه: 1390/01/01
    • تاریخ انتشار در تی پی بین: 1390/01/01
    • تعداد بازدید: 450
    • تعداد پرسش و پاسخ ها: 0
    • شماره تماس دبیرخانه رویداد: -
     in the present study, different series of high density polyethylene (hdpe)/carbon nano-composites were prepared using melt blending in a co-rotating intermeshing twin screw extruder. the morphological, thermal, rheological, viscoelastic, mechanical, and fracture toughness properties of the nano-composites were analyzed. the microscopic examination of the cryogenically fractured surface found a good distribution of carbon nano-particles in the hdpe matrix. the melting temperature was not significantly affected by the addition of nano-carbon. whereas, the crystallization percentage was slightly affected by adding carbon nano-particles into the matrix. the complex viscosity increased as the percentage of carbon increased. the dynamic mechanical analysis (dma) showed that the storage modulus increased with increasing the carbon nano-particles ratio and with increasing the testing frequency. the tensile test results showed that with increasing the carbon nano-particles contents, the young’s modulus, yield strength of hdpe nano-composite increased while the strain at fracture decreased. similarly, the fracture toughness and the strain energy release rate decreased proportional to the carbon content.

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