IZOD IMPACT ENERGY OF POLYESTER MATRIX COMPOSITES REINFORCED WITH ALIGNED CURAUA FIBERS

被引：0
|
作者：
Monteiro, Sergio N. [1 ]
Ferreira, Ailton S. [1 ]
Lopes, Felipe Perisse D. [1 ]
机构：
[1] State Univ No Rio de Janeiro, UENF, Adv Mat Lab, LAMV, BR-28013602 Campos Dos Goytacazes, Brazil
来源：
EPD CONGRESS 2009, PROCEEDINGS | 2009年
关键词：
curaua fiber; polyester composite; Izod test; impact energy;
D O I：
暂无
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
Polymer matrix composites have been applied in components such as helmets and shielding for which toughness is a major requirement. Natural fiber presents interfacial characteristics with polymeric matrices that favor a high impact energy absorption by the composite structure. The objective of this work was then to assess the Izod impact resistance of polymeric composites reinforced with different amounts, up to 30% in volume, of a promising high strength natural fiber from the Amazon region known as curaua. The results showed a remarkable increase in the notch toughness with the amount of incorporated curaua fibers. This can be attributed to a preferential debonding of the fiber/matrix inter-face, which contributes to an elevated absorbed energy.
引用
收藏
页码：287 / 294
页数：8
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