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首页> 外文会议>Characterization of minerals, metals, and materials 2014 >PHOTOACOUSTIC CHARACTERIZATION OF POLYESTER MATRIX REINFORCED WITH CURAUA FIBERS
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PHOTOACOUSTIC CHARACTERIZATION OF POLYESTER MATRIX REINFORCED WITH CURAUA FIBERS

机译：柯拉纤维增强聚酯基质的光声表征。

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摘要

In recent years natural fibers, especially those lignocellulosic extracted from plants, have gained attention owing to their engineering performance as polymer composite reinforcement. So there is a growing interest in the use of these fibers on new technological solutions. Curaua fiber obtained from the leaves of curaua plant presents significant properties to be studied, but until now few thermal studies on reinforced composites of curaua fiber were performed. The objective of the present work is to investigate, by photoacoustic spectroscopy and photothermal techniques, the thermal properties of diffusivity, specific capacity and conductivity of polyester composites reinforced with curaua fibers. Continuous and aligned curaua fibers were added up to 30% in volume in the polymer matrix. The thermal diffusivity and the specific heat variation were obtained with reasonable accuracy, the values are consistent with thermal insulators material.
机译：近年来，天然纤维，特别是从植物中提取的木质纤维素，由于其作为聚合物复合增强材料的工程性能而受到关注。因此，在新技术解决方案中使用这些纤维的兴趣日益浓厚。从curaua植物的叶子中获得的curaua纤维具有待研究的重要性能，但是到目前为止，很少对curaua纤维的增强复合材料进行热学研究。本工作的目的是通过光声光谱学和光热技术研究用姜黄纤维增强的聚酯复合材料的扩散性，比容量和电导率的热性能。在聚合物基质中，将连续的和排列的curaua纤维添加至体积达30％。获得的热扩散率和比热变化具有合理的精度，该值与绝热材料一致。

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