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将微观摩擦学和轮轨滚动接触理论创造性地结合在一起，建立了轮轨粘着的微观研究模型，获得了新的轮轨粘滑特性曲线，对轮轨粘着系数随列车速度的提高而下降的原因作出了理论解释。
The microscopic tribology and wheel-rail rolling contact theory are creatively combined to establish a micro-research model of wheel-rail adhesion, and a new wheel-rail stick-slip characteristic curve is obtained. The wheel-rail adhesion coefficient decreases with the increase of train speed Reason for a theoretical explanation.