کد مقاله کد نشریه سال انتشار مقاله انگلیسی نسخه تمام متن
10425090 906719 2012 7 صفحه PDF دانلود رایگان
عنوان انگلیسی مقاله ISI
The reinforcing effect of graphene nanosheets on the cryogenic mechanical properties of epoxy resins
موضوعات مرتبط
مهندسی و علوم پایه سایر رشته های مهندسی مهندسی (عمومی)
پیش نمایش صفحه اول مقاله
The reinforcing effect of graphene nanosheets on the cryogenic mechanical properties of epoxy resins
چکیده انگلیسی
The reinforcing effect of graphene in enhancing the cryogenic tensile and impact properties of epoxy composites is examined at a weight fraction of 0.05-0.50%. The micro-structure and cryogenic mechanical properties of the graphene/epoxy composites are investigated using scanning electron microscopy, transmission electron microscopy, small-angle X-ray scattering and mechanical testing techniques. The results show that the graphene dispersion in the epoxy matrix is good at low contents while its aggregation takes place and becomes severer as its content increases. And the cryogenic tensile and impact strength at liquid nitrogen temperature (77 K) of the composites are effectively improved by the graphene addition at proper contents. The cryogenic Young's modulus increases almost linearly with increasing the graphene content. Moreover, the results for the mechanical properties at room temperature (298 K) of the graphene/epoxy composites are also presented for the purpose of comparison.
ناشر
Database: Elsevier - ScienceDirect (ساینس دایرکت)
Journal: Composites Science and Technology - Volume 72, Issue 13, 22 August 2012, Pages 1581-1587
نویسندگان
, , , , , ,