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首页> 外文学位 >Tribological studies of polyphenylene sulfide composites filled with micro/nano particles and reinforced with short fibers or carbon nano-tubes/carbon nano-fibers.
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Tribological studies of polyphenylene sulfide composites filled with micro/nano particles and reinforced with short fibers or carbon nano-tubes/carbon nano-fibers.

机译：填充有微米/纳米颗粒并用短纤维或碳纳米管/碳纳米纤维增强的聚苯硫醚复合材料的摩擦学研究。

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摘要

Polymer and its composites have replaced a great number of metal products in industry and are still in a rapid growth in many areas due to their attractive properties such as low density, high specific strength and specific stiffness, corrosion resistance, and manufacturability. The properties of polymers have been considerably improved by the incorporation of fillers and fiber reinforcement. The mechanical and tribological studies on polyphenylene sulfide (PPS) and its composites have not been hitherto carried out extensively and are deserving of attention in view of their potential for being used in a wide variety of applications.; PPS has a great potential in high speed sliding applications owing to its high temperature capability. However, its wide application as a promising matrix material in tribology is still at infancy and so there is a need of the comprehensive study of its mechanical and tribological behaviors. In this dissertation, the effect of fillers and fibers as reinforcements in PPS was performed with respect to the tribological and mechanical properties. A number of fillers based on the minerals abundantly available in Armenia were used in this study along with other inorganic compound fillers and short micro fibers as reinforcement. The fillers used were both in micro and nano sizes. Finally, the effect of carbon nanotubes and carbon nanofibers as the reinforcements in PPS has also been studied in terms of their thermal, mechanical and tribological properties.
机译：聚合物及其复合材料已经取代了工业上的许多金属产品，并且由于其引人注目的特性，例如低密度，高比强度和比刚度，耐蚀性和可制造性，仍在许多领域保持快速增长。通过加入填料和纤维增强材料，聚合物的性能得到了显着改善。迄今为止，尚未对聚苯硫醚（PPS）及其复合材料进行机械和摩擦学研究，鉴于其在各种应用中的潜力，因此值得关注。 PPS由于具有高温能力，因此在高速滑动应用中具有巨大的潜力。然而，其作为摩擦学中有希望的基质材料的广泛应用仍处于起步阶段，因此需要对其力学和摩擦学行为进行全面研究。本文就摩擦学和力学性能而言，研究了填料和纤维作为PPS增强材料的效果。在这项研究中，使用了许多基于亚美尼亚丰富的矿物的填料以及其他无机化合物填料和短微纤维作为增强材料。所用的填料均为微米和纳米尺寸。最后，还研究了碳纳米管和碳纳米纤维作为PPS的增强材料的热，机械和摩擦学性能。

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  • 作者

    Cho, Minhaeng.;

  • 作者单位

    Iowa State University.;

  • 授予单位 Iowa State University.;
  • 学科 Engineering Mechanical.
  • 学位 Ph.D.
  • 年度 2004
  • 页码 147 p.
  • 总页数 147
  • 原文格式 PDF
  • 正文语种 eng
  • 中图分类 机械、仪表工业;
  • 关键词

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