The Immersed Interface Method (IIM) is derived to solve the corresponding Fokker-Planck equation of Brownian motion with pure dry friction, which is one of the simplest models of piecewise-smooth stochastic systems. T...The Immersed Interface Method (IIM) is derived to solve the corresponding Fokker-Planck equation of Brownian motion with pure dry friction, which is one of the simplest models of piecewise-smooth stochastic systems. The IIM is capable of treating a discontinuity in the drift of Fokker-Planck equation and it is readily extended to the dry and viscous friction model. Analytic results of the considered model are used to confirm the effectiveness and design accuracy of the scheme.展开更多
利用磁控溅射技术制备CrTiA lN、TiN及类石墨(G raph ite L ike Carbon)硬质镀层,以高速钢为对比,通过摩擦因数及磨损形貌等研究不同镀层与纯铜的干摩擦磨损性能。结果表明,镀层的摩擦因数是决定与纯铜摩擦磨损性能的首要因素,摩擦因数...利用磁控溅射技术制备CrTiA lN、TiN及类石墨(G raph ite L ike Carbon)硬质镀层,以高速钢为对比,通过摩擦因数及磨损形貌等研究不同镀层与纯铜的干摩擦磨损性能。结果表明,镀层的摩擦因数是决定与纯铜摩擦磨损性能的首要因素,摩擦因数越小,摩擦副之间的磨损性能越好;而与纯铜对磨时,摩擦副的摩擦因数取决于组成摩擦副材料之间的润湿性,材料的润湿性越差,则摩擦因数越低,因此具有减摩耐磨的GLC碳膜是与工业纯铜对磨的最佳镀层。展开更多
文摘The Immersed Interface Method (IIM) is derived to solve the corresponding Fokker-Planck equation of Brownian motion with pure dry friction, which is one of the simplest models of piecewise-smooth stochastic systems. The IIM is capable of treating a discontinuity in the drift of Fokker-Planck equation and it is readily extended to the dry and viscous friction model. Analytic results of the considered model are used to confirm the effectiveness and design accuracy of the scheme.
文摘利用磁控溅射技术制备CrTiA lN、TiN及类石墨(G raph ite L ike Carbon)硬质镀层,以高速钢为对比,通过摩擦因数及磨损形貌等研究不同镀层与纯铜的干摩擦磨损性能。结果表明,镀层的摩擦因数是决定与纯铜摩擦磨损性能的首要因素,摩擦因数越小,摩擦副之间的磨损性能越好;而与纯铜对磨时,摩擦副的摩擦因数取决于组成摩擦副材料之间的润湿性,材料的润湿性越差,则摩擦因数越低,因此具有减摩耐磨的GLC碳膜是与工业纯铜对磨的最佳镀层。
