摘要
探讨了利用调节外加电场改变金属／陶瓷摩擦副摩擦行为的可行性及通过在线反馈控制外加电压的大小实现摩擦系数主动控制的可能性．试验发现，在硬脂酸锌乳化液润滑条件下，施加数十伏的外加直流电压，由三氧化二铝、石英玻璃等陶瓷材料与钢、黄铜、不锈钢等构成的滑动摩擦副的摩擦系数发生显著变化，变化幅度与所加电压的大小、极性以及金属材料的种类有关．初步分析表明。
The feasibility of
controlling the tribological behavior of metal/ceramics rubbing couples by means of applying an
external electric field was explored.The results show that the friction coefficients of the rubbing
couples composed of ceramic materials, alumina and quartz glass, and metals, brass,
stainless steel and carbon steel, change substantially when an external D C. voltage is applied
under the lubrication condition of zinc stearate water emulsion. The change in friction coefficient
caused by the electric field depends on the voltage and the polarity and materials type.
Preliminary analysis indicates that the electro friction phenomena could be related to the
balance of generation and destruction of the boundary lubrication film, which was influenced by
the external voltage. It was also found that friction coefficient could be controlled with a feed
back voltage modulation method.
出处
《摩擦学学报》
EI
CAS
CSCD
北大核心
1999年第1期45-49,共5页
Tribology
基金
国家自然科学基金
关键词
摩擦
电场
金属
陶瓷
friction
electric field
control
metal/ceramics rubbing
couple
