Tribological property of PTW reinforced PEEK composites in alkaline solution

WANG Huaiyuan; ZHU Yanji; FENG Xin; LU Xiaohua

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Tribological property of PTW reinforced PEEK composites in alkaline solution

更新时间：2025-12-10

- Tribological property of PTW reinforced PEEK composites in alkaline solution
- CIESC Journal Issue 6, Pages: 1550-1554(2010)
- 作者机构：
  
  1. 大庆石油学院化学化工学院
  2. 
- 作者简介：
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- Online First：05 June 2010，
  
  Published：05 June 2010
- 稿件说明：
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WANG Huaiyuan, ZHU Yanji, FENG Xin, et al. Tribological property of PTW reinforced PEEK composites in alkaline solution[J]. CIESC Journal, 2010, (6): 1550-1554.
DOI：

WANG Huaiyuan, ZHU Yanji, FENG Xin, et al. Tribological property of PTW reinforced PEEK composites in alkaline solution[J]. CIESC Journal, 2010, (6): 1550-1554. DOI：

摘要

研究了不同含量PTW增强PEEK复合材料在碱液中的摩擦磨损性能，并与经典的CF增强PEEK复合材料对比，借助于SEM分析了磨损面和对偶面微观形貌，探讨了相关机理。结果表明，干摩擦时15%(质量)PTW增强PTFE/PEEK复合材料耐磨性是相同含量CF增强时的10.5倍。在碱液中，CF增加了PTFE/PEEK复合材料的摩擦系数、降低了其耐磨性能，而PTW可以进一步降低PTFE/PEEK复合材料的摩擦系数、明显地提高其耐磨性能。含5%PTW可提高PTFE/PEEK复合材料碱液中耐磨性2.36倍。碱液阻止了对偶面转移膜的形成，犁削和磨粒磨损是CF增强PEEK复合材料碱液中的主要磨损机制，而隧道状晶体结构和细微尺寸的纤维态形貌使得PTW在碱液中仍具有显微增强耐磨作用。

Abstract

The tribological behavior of PEEK composites reinforced with various amount of potassium titanate whisker (PTW) and carbon fibers (CF) in alkaline solutions were investigated separately.The related mechanisms were discussed based on the SEM examination of worn surfaces and transfer behavior.The results indicate that under dry condition the wear resistance of 15%(mass) PTW reinforced PTFE/PEEK composites is 10.5 times that of 15% CF reinforced composites.In alkaline solutions，CF increases the friction coefficient and wear rate of PTFE/PEEK composites and decreases their wear resistance，while PTW reduces the friction coefficient and wear rate of the composites.With 5% of PTW content，the wear resistance of PTFE/PEEK composites in alkaline solutions is increased by 2.36 times as against that without PTW.The alkaline solution hinders the transfer onto the counterpart rings significantly，but PTW reinforces the wear resistance of PEEK composites owing to its tunnel crystal fiber structure and small size.On the other hand，furrow and abrasive wear are the main mechanism for CF reinforced PTFE/PEEK composites in alkaline solutions.

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