轨道交通用SiCp 增强铝基复合材料制动盘研究与应用进展

谭东, 吴刘坤, 付康习, 夏少华, 李冲, 崔雷, 刘永长, 昝宇宁

Research and Application Progress of SiCp-Reinforced Aluminum-Based Composite Brake Discs for Rail Transit Vehicles

TAN Dong, WU Liukun, FU Kangxi, XIA Shaohua, LI Chong, CUI Lei, LIU Yongchang, ZAN Yuning

表1 铝基复合材料制动盘盘体材料力学性能对比(实测平均值)

Table 1 Comparisons of mechanical properties (measured average values) of aluminum-based composite brake-disc body materials

Material Ultimate tensile strength / MPa Elongation / % Hardness / HBW Stir-cast disc[16] ~170 ~1.7 ~78 Powder-metallurgy disc[16] 300-350 2.0-4.0 110-130 Composite formed disc 200-360 2.0-6.0 80-130