Study on Wear and Fatigue Performance of Two Types of High-Speed Railway Wheel Materials at Different Ambient Temperatures

被引：16
作者：
Ma, Lei [1 ]
Wang, Wenjian [2 ]
Guo, Jun [2 ]
Liu, Qiyue [2 ]
机构：
[1] Xihua Univ, Sch Mech Engn, Chengdu 610039, Peoples R China
[2] Southwest Jiao Tong Univ, Tribol Res Inst, State Key Lab Tract Power, Chengdu 610031, Peoples R China
来源：
MATERIALS | 2020年 / 13卷 / 05期
关键词：
alpine region; high-speed wheel and rail materials; temperature; wear; fatigue damage; FRACTURE-TOUGHNESS; STRENGTH; REGION;
D O I：
10.3390/ma13051152
中图分类号：
O64 [物理化学（理论化学）、化学物理学];
学科分类号：
070304 ; 081704 ;
摘要：
The wear and fatigue behaviors of two newly developed types of high-speed railway wheel materials (named D1 and D2) were studied using the WR-1 wheel/rail rolling-sliding wear simulation device at high temperature (50 degrees C), room temperature (20 degrees C), and low temperature (-30 degrees C). The results showed that wear loss, surface hardening, and fatigue damage of the wheel and rail materials at high temperature (50 degrees C) and low temperature (-30 degrees C) were greater than at room temperature, showing the highest values at low temperature. With high Si and V content refining the pearlite lamellar spacing, D2 presented better resistance to wear and fatigue than D1. Generally, D2 wheel material appears more suitable for high-speed railway wheels.
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页数：16
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