摘要
介绍制动摩擦材料的开发步骤及用于开发摩擦材料的试验机的种类，指出采用试验机的必要性和试验机的应用。
The development process of the braking friction material and the types of test machines to develop the friction material are described.The necessity to apply the test machines and the application of the test machines are pointed out.
出处
《国外铁道车辆》
1999年第5期19-22,共4页
Foreign Rolling Stock
