摘要
在 MM- 2 0 0 0型摩擦磨损试验机上考察了不同载荷和速度下纳米 Si O2 含量对聚醚砜酮 (PPESK)复合材料摩擦磨损性能的影响 ,并利用扫描电子显微镜 (SEM)观察分析 PPESK及纳米 Si O2 /PPESK复合材料磨损表面形貌及磨损机理。结果表明 :纳米 Si O2 不但可以提高 PPESK的耐磨性 ,而且还有较好的减摩作用。在本研究的试验条件下 ,当纳米 Si O2 的质量分数为 2 5 %时 ,填充 PPESK复合材料具有最佳摩擦学性能。随着载荷的增大 ,填充 PPESK的摩擦系数降低 ,填料含量在 2 0 %质量分数以下时随载荷增大其耐磨性提高较明显 ,而填料含量超过 2 0
The friction and wear properties of poly(phthalazine ether sulfone ketone) (PPESK) composites made with nanometer SiO 2 particles were investigated with an MM 2000 tester by sliding PPESK based composites against plain carbon steel (AISI1045) ring The morphologies of the worn composite surfaces and the transfer films formed on the counterpart steel surface were examined with scanning electron microscope (SEM) It is found that the filling nanometer SiO 2 particle to PPESK can greatly increase the wear resistance of PPESK but also improve the friction reduction performance The best wear resistance of the composite is obtained with the composite containing 25% nanometer SiO 2
出处
《材料工程》
EI
CAS
CSCD
北大核心
2002年第2期38-42,共5页
Journal of Materials Engineering
关键词
聚醚砜酮
纳米SIO2
复合材料
摩擦学性能
二氧化硅
poly(phthalazine ether sulfone ketone)
nanometer SiO 2
composites
friction and wear behaviors
