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首页> 外文期刊>The Journal of the Textile Institute >Morphological and mechanical changes of glass fibers mat by CO_2 laser
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Morphological and mechanical changes of glass fibers mat by CO_2 laser

机译：CO_2激光对玻璃纤维毡的形貌和力学变化

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摘要

Chemical treatment methods are most often used in the present for fibers surface modification; but, these methods are "environmentally unfriendly". So, new technologies are now considered, especially in physical treatment methods. This is the case of laser technologies, like CO_2 laser radiation. In this study, glass fiber mat surface modifications were carried out using CO_2 laser. The modified surfaces were characterized using a variety of techniques including scanning electron microscopy, mechanical properties, air permeability, and thickness. The results show that by increasing the laser intensity, the strength and modulus of the mat decrease. But in case of laser cycling treatment, the mechanical properties are improved. We observed that laser treatment causes increase of porosity and better air permeability.
机译：目前，化学处理方法最常用于纤维表面改性。但是，这些方法“对环境不利”。因此，现在考虑使用新技术，尤其是在物理治疗方法中。激光技术（例如CO_2激光辐射）就是这种情况。在这项研究中，玻璃纤维毡的表面改性是使用CO_2激光进行的。使用多种技术对改性后的表面进行表征，包括扫描电子显微镜，机械性能，透气性和厚度。结果表明，通过增加激光强度，垫的强度和模量降低。但是在激光循环处理的情况下，机械性能得到改善。我们观察到激光处理会导致孔隙率增加和更好的透气性。

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