کد مقاله | کد نشریه | سال انتشار | مقاله انگلیسی | نسخه تمام متن |
---|---|---|---|---|
9717358 | 1469570 | 2005 | 8 صفحه PDF | دانلود رایگان |
عنوان انگلیسی مقاله ISI
Rubbery and glassy epoxy resins reinforced with carbon nanotubes
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کلمات کلیدی
موضوعات مرتبط
مهندسی و علوم پایه
سایر رشته های مهندسی
مهندسی (عمومی)
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چکیده انگلیسی
Two epoxy resins with widely different mechanical properties were used as matrices in which functionalized carbon nanotubes were randomly dispersed to produce nanocomposites. In both cases, strong covalent bonds were created as a bridge between the nanotubes and matrix, but due to differences in viscosity, the nanotubes dispersion was much better in the rubbery epoxy resin than in glassy epoxy. A 28% increase in tensile Young's modulus was observed in the rubbery system using 1Â wt.% functionalized nanotubes, compared to the unreinforced rubbery epoxy. As to glassy epoxy based composites, no improvement in modulus could be observed but a significant 50% improvement in impact toughness was observed, compared to the unreinforced glassy epoxy resin.
ناشر
Database: Elsevier - ScienceDirect (ساینس دایرکت)
Journal: Composites Science and Technology - Volume 65, Issues 11â12, September 2005, Pages 1861-1868
Journal: Composites Science and Technology - Volume 65, Issues 11â12, September 2005, Pages 1861-1868
نویسندگان
Luqi Liu, H. Daniel Wagner,