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Improved tensile properties of carbon nanotube modified epoxy and its continuous carbon fiber reinforced composites

机译：改善碳纳米管改性环氧树脂及其连续碳纤维增强复合材料的拉伸性能

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Carbon nanotubes (CNTs) were used to improve the tensile properties of an epoxy resin and its continuous carbon fiber (CF) reinforced composites. Micrography picture showed that CNTs has been well incorporated into the composites, and made the fracture cross section more rougher through sharing the stress. For the CNT/epoxy composite, the tensile strength and modulus both increased upon the CNT addition, and at a CNT volume concentration of 2.0%, the maximum enhancements in the tensile strength and modulus were achieved as 26.7% and 21.5%, respectively. For the CNT-CF/epoxy composite, the maximum enhancement in tensile strength was achieved as 11.6% at a CNT volume concentration of 1.0% and then decreased with the further increase of the CNT addition, but the tensile modulus increased monotonically upon the CNT addition. POLYM. COMPOS., 36:1664-1668, 2015. (c) 2014 Society of Plastics Engineers
机译：碳纳米管（CNT）用于改善环氧树脂及其连续碳纤维（CF）增强复合材料的拉伸性能。显微照片显示，碳纳米管已很好地掺入复合材料中，并且通过分担应力使断裂截面更粗糙。对于CNT /环氧树脂复合材料，拉伸强度和模量都随着CNT的添加而增加，并且在2.0％的CNT体积浓度下，拉伸强度和模量的最大增强分别达到26.7％和21.5％。对于CNT-CF /环氧复合材料，在CNT体积浓度为1.0％时，抗拉强度最大提高为11.6％，然后随着CNT添加量的增加而降低，但拉伸模量在CNT添加后单调增加。 POLYM。 COMPOS。，36：1664-1668，2015.（c）2014年塑料工程师学会

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