摘要
通过干法热压工艺制备了粉煤灰增强树脂基摩擦材料,利用D-MS型定速式摩擦试验机测其在不同温度下的摩擦磨损性能,并收集磨屑。借助扫描电子显微镜观察、分析样品摩擦后的表面和磨屑形貌,研究了摩擦材料磨损的内在机制,并借助X射线衍射仪、X射线能谱仪、红外光谱仪进行综合表征。结果表明,添加粉煤灰的树脂基摩擦材料摩擦表面形成连续、稳定的摩擦膜,能够有效改善树脂基摩擦材料的摩擦磨损性能。对磨屑的分析实验证明摩擦膜的产生与粉煤灰中SiO2和Al2O3有关。
Resin-based friction materials containing fly ash was prepared by dry heat-pressing process, the friction and wear characteristics of the resin-based friction materials were tested at different temperatures with a D-MS friction tester. The abrasive debris were collected, and its morphology, the frition surfaces as well as the wear characteristics were then observed and analyzed by SEM, XRD, SEM-EDXA and FTIR. The results show that fly ash can really enhance the friction and wear properties of the resin-based friction materials, the reason is that the conti- nuous and stable friction film is formed on friction surface of resin-based friction materials. Furthermore, the experiments on abrasive debris prove that the friction film is related to the SiO2 and A12 03 in fly ash.
出处
《材料导报》
EI
CAS
CSCD
北大核心
2012年第4期82-86,共5页
Materials Reports
基金
江苏省新型环保重点实验室开放基金(AE201019)
江苏高校自然科学重大基础研究项目(08KJA430009)
盐城工学院新人培养项目(XKY2011028)
关键词
粉煤灰
树脂基摩擦材料
摩擦磨损
摩擦膜
fly ash, resin-based friction materials, friction and wear, friction film
