TY - JOUR T1 - Effects of polarity on the friction and wear of collector shoes deployed in a metro traction system JO - Proceedings of the Institution of Mechanical Engineers, Part F: Journal of Rail and Rapid Transit PY - 2014/03/01 AU - Dong L AU - Zhong W AU - Chen GX AU - Lewis R ED - DO - DOI: 10.1177/0954409712473908 VL - 228 IS - 3 SP - 323 EP - 330 Y2 - 2025/05/21 ER -