道路车辆 制动衬片 盘式制动块 试验后表面和材料伤残的评定

[中文适用范围]： 确定盘式刹车片测试后表面和材料缺陷的类型，并规定测量这些缺陷和列出结果的方法。 需要考虑的缺陷有四种类型： 裂纹（图 1）；边缘剥落（图2）；起泡和麻点（图3）；材料与支撑件分离或材料层分离（图 4）。 [外文原描述]： Identifies the types of flaws of surface and material after testing of disc brake pads, and specifies the method of measuring these flaws and of setting out the results. Flaws to be considered are of four types: cracks (figure 1); edge flaking (figure 2); blistering and pitting (figure 3); material separation from the support or material lamina separation (figure 4).