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首页> 外文期刊>Archives of Civil and Mechanical Engineering >Performance assessment of lapinus-aramid based brake pad hybrid phenolic composites in friction braking
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Performance assessment of lapinus-aramid based brake pad hybrid phenolic composites in friction braking

机译：Lapinus-aramid基刹车片混杂酚醛复合材料在摩擦制动中的性能评估

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摘要

The brake pad hybrid phenolic composites based on lapinus-aramid fibre combination are designed, fabricated and characterized for various physical, chemical, mechanical, thermomechanical and tribo-performance. The physical properties such as water absorption, compressibility, void and ash contents increase with increase in lapinus fibre, whereas mechanical (such as hardness, impact energy, tensile and flexural strengths) and thermomechanical (loss-tangent, storage and loss modulus) properties increase with increase in aramid fibre. The assessment of braking performance is done using a standard test protocol conforming to BCE R-90 regulation on the Krauss friction testing machine. Comprehensively, it is found that incorporation of higher metallic-silicate lapinus fibre in formulation relative to aramid enhances the overall frictional response. The same successfully arrests highest rise in the disc temperature even though wear losses are maximized. The same show lowest fading and excellent recovery performance. Optimally the formulation having lapinus-to-aramid proportion 25:5 experimentally optimizes the overall braking performance. The SEM micrograph study justifies the overall braking tribology and the associated wear mechanisms. (C) 2014 Politechnika Wroclawska. Published by Elsevier Urban & Partner Sp. z o.o. All rights reserved.
机译：设计，制造和表征了基于拉普拉斯-芳纶纤维组合的刹车片混合酚醛复合材料，具有多种物理，化学，机械，热机械和摩擦性能。物理特性（如吸水率，可压缩性，空隙和灰分含量）随羊驼毛纤维的增加而增加，而机械（如硬度，冲击能，拉伸强度和弯曲强度）和热机械（损耗角正切，储存和损耗模量）的特性则增加随着芳纶纤维的增加。使用符合Krauss摩擦试验机上BCE R-90规定的标准试验方案对制动性能进行评估。全面地，发现在配方中相对于芳族聚酰胺掺入较高金属硅酸盐的羽扇豆纤维可增强整体摩擦响应。即使最大程度地减少了磨损，但同样成功地阻止了碟片温度的最高升高。同样显示出最低的衰落和出色的恢复性能。最佳的是，拉普拉斯与芳族聚酰胺比例为25：5的配方通过实验优化了整体制动性能。 SEM显微照片研究证明了整体制动摩擦学和相关的磨损机理。 （C）2014 Politechnika Wroclawska。由Elsevier Urban＆Partner Sp。动物园。版权所有。

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