一、概述随着现代交通运输工具及工程机械等运转速度和载荷的提高,在各种车辆、船舶和工程机械上采用液力变矩器装置日益广泛,在油介质(或其它液体)中使用的湿式摩擦材料也与日俱增。六十年代后期,国外在液力变矩器上采用了一种新型的油介质摩擦材料——多孔性纸基油介质摩擦材料,这种材料成本低、重量轻、动、静摩擦系数接近、磨损小,运行安全可靠, I. Overview With the improvement of operation speed and load of modern transportation vehicles and construction machinery, the torque converter device is widely used in various vehicles, ships and construction machinery and is used in oil media (or other liquids) The wet friction material is also growing. In the late 1960s, a new type of oil-based friction material, a porous paper-based oil friction material, was used abroad on the torque converter. The material is low in cost, light in weight, close in dynamic and static friction coefficient, Small, safe and reliable operation,