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材料研究学报  2007, Vol. 21 Issue (6): 643-648    
  论文 本期目录 | 过刊浏览 |
CaCO_3晶须和PTFE对PEEK干摩擦性能的影响
林有希;高诚辉;李圆
福州大学机械工程及自动化学院 福州350002
引用本文:

林有希;高诚辉;李圆. CaCO_3晶须和PTFE对PEEK干摩擦性能的影响[J]. 材料研究学报, 2007, 21(6): 643-648.

全文: PDF(940 KB)  
摘要: 用热压成型法制备CaCO_3晶须和聚四氟乙烯(PTFE)填充的聚醚醚酮(PEEK)自润滑复合材料,研究了干摩擦条件下复合材料和45#钢环配副的摩擦磨损性能,并与纯PEEK进行了比较.结果表明:CaCO_3晶须和PTFE明显改善了PEEK复合材料的减摩、耐磨和承载性能,其摩擦系数比纯PEEK降低约1/2,耐磨性提高27倍;摩擦稳定性显著提高,极限承载能力比纯PEEK提高1倍以上.CaCO_3晶须降低了复合材料摩擦表面粘着、犁削和热变形,PTFE有助于复合材料在偶件表面形成连续、均匀的转移膜.PEEK自润滑复合材料的磨损机制主要是轻微的粘着和疲劳磨损.
关键词 复合材料碳酸钙晶须聚四氟乙烯聚醚醚酮    
Key words
收稿日期: 1900-01-01     
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