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首页> 外文期刊>Journal of Reinforced Plastics and Composites >Influence of fiber-matrix interface on abrasive wear performance of polymer composites
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Influence of fiber-matrix interface on abrasive wear performance of polymer composites

机译：纤维-基体界面对聚合物复合材料磨粒磨损性能的影响

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Surface treatment of carbon fibers (CFs) is an excellent way to enhance the fiber-matrix adhesion. However, this is generally at a cost of deterioration in the strength of a fiber. The two effects in opposite directions control the net strength of a composite. The weightage of each factor depends on the selected method and dose. Authors have recently reported on three fiber-treatment techniques (using various doses) such as that with nano-YbF3 (new method); cold remote nitrogen-oxygen plasma (newer one) and y rays apart from one traditional method of acid oxidation of a fiber. In the present paper, comparative aspects (benefits and limitations) of all these four methods are discussed to enable a right selection of a surface treatment technique of CF to design the composite with a right combination of strength and wear resistance in abrasive wear mode. The composites with these surface treated fabrics and polyetherimide matrix were developed and evaluated for various properties including abrasive wear performance. Specific wear rate of HNO3 treated composite was lowest among these composites while plasma treated composites showed least improvement. Scanning electron microscope (SEM) analysis of worn surfaces showed mechanisms responsible for improved performance of treated composites and high wear rate of untreated composites.
机译：碳纤维（CFs）的表面处理是增强纤维基质粘合力的绝佳方法。然而，这通常以降低纤维强度的代价为代价。方向相反的两个效果控制复合材料的净强度。每个因素的权重取决于所选的方法和剂量。作者最近报道了三种纤维处理技术（使用各种剂量），例如用纳米YbF3（新方法）;除了一种传统的纤维酸氧化方法以外，远程偏冷氮氧等离子体（较新的一种）和y射线。在本文中，我们讨论了这四种方法的比较方面（优点和局限性），以正确选择CF的表面处理技术，从而设计出在磨料磨损模式下具有强度和耐磨性正确组合的复合材料。开发了具有这些表面处理过的织物和聚醚酰亚胺基体的复合材料，并评估了各种性能，包括磨料磨损性能。在这些复合材料中，HNO3处理的复合材料的比磨损率最低，而等离子处理的复合材料显示的改善最小。扫描电子显微镜（SEM）对磨损表面的分析表明，机理可以改善处理后的复合材料的性能，并提高未处理复合材料的高磨损率。

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