The tensile behavior of graphene nanoplatelets(GNPs)in epoxy composite under tensile loadings was characterized using uniaxial tensile test at various strain rates ranging from 0.0356 to 0.14/min at room temperature.T...The tensile behavior of graphene nanoplatelets(GNPs)in epoxy composite under tensile loadings was characterized using uniaxial tensile test at various strain rates ranging from 0.0356 to 0.14/min at room temperature.The stresses and the accompanied strains were measured with load cell and an extensometer,respectively.This investigation covers the effect of the amount of graphene in graphene/epoxy composite material system.The uniaxial tensile tests were done to investigate the tensile behavior of the material beyond ultimate tensile strength.The results showed that both the manufacturing and experimental procedure developed are excellent methods to characterize the response of GNP/epoxy composite to tensile loadings.Additionally,the results show a clear strain rate and amount of GNP in epoxy dependencies in the material response.展开更多
The fracture characteristics of graphene nano-platelets(GNP)in epoxy composite under high strain loadings were investigated using impact test at room temperature.The energy required to create a new surface was measure...The fracture characteristics of graphene nano-platelets(GNP)in epoxy composite under high strain loadings were investigated using impact test at room temperature.The energy required to create a new surface was measured with load cell and the accompanied plain strain fracture toughness was calculated.The investigation covered the effect of the amount of graphene in graphene/epoxy composite material system on the fracture behavior of the material.The results showed that both the manufacturing and experimental procedures developed were excellent to quickly and precisely characterize the response of GNP/epoxy composite to impact loadings.Furthermore,the results showed clear dependencies of the material response on the amount of GNP in epoxy.展开更多
文摘The tensile behavior of graphene nanoplatelets(GNPs)in epoxy composite under tensile loadings was characterized using uniaxial tensile test at various strain rates ranging from 0.0356 to 0.14/min at room temperature.The stresses and the accompanied strains were measured with load cell and an extensometer,respectively.This investigation covers the effect of the amount of graphene in graphene/epoxy composite material system.The uniaxial tensile tests were done to investigate the tensile behavior of the material beyond ultimate tensile strength.The results showed that both the manufacturing and experimental procedure developed are excellent methods to characterize the response of GNP/epoxy composite to tensile loadings.Additionally,the results show a clear strain rate and amount of GNP in epoxy dependencies in the material response.
文摘The fracture characteristics of graphene nano-platelets(GNP)in epoxy composite under high strain loadings were investigated using impact test at room temperature.The energy required to create a new surface was measured with load cell and the accompanied plain strain fracture toughness was calculated.The investigation covered the effect of the amount of graphene in graphene/epoxy composite material system on the fracture behavior of the material.The results showed that both the manufacturing and experimental procedures developed were excellent to quickly and precisely characterize the response of GNP/epoxy composite to impact loadings.Furthermore,the results showed clear dependencies of the material response on the amount of GNP in epoxy.
