刘小龙

博士 、副研究员

基本信息

办公电话： 电子邮件： liuxiaolong@bjtu.edu.cn
通讯地址：北京市海淀区上园村3号 邮编：100044

教育背景

2006年9月-2010年7月             武汉大学                          本科

2010年9月-2015年7月    中国科学院力学研究所                博士

工作经历

2015年7月-2017年6月             中国科学院力学研究所                博士后

2017年6月-2019年12月                 北京交通大学                   硕士生导师

2020年1月至今                            北京交通大学                    博士生导师

2024年12月-2025年6月                日本九州大学                      访问学者


研究方向

  • 车辆工程
  • 车辆结构可靠性与优化
  • 车辆结构可靠性与动力学
  • 不区分方向

招生专业

  • 车辆工程硕士
  • 机械工程博士
  • 机械工程硕士

科研项目

研究领域：基础研究方向合金材料超高周疲劳裂纹萌生机制和寿命模型，工程应用方向高速列车零部件超长寿命服役可靠性研究。任现职以来，主持国家级，省部级和企业合作项目20余项，合计经费800余万元，参与科技部重点研发计划、高铁联合基金等3项。



  1. 国家自然科学基金"面上项目": 滚动接触载荷超高周疲劳特征区形成机理和寿命模型, 2026-2029，主持   
  2. 国家自然科学基金"青年基金": 滚动接触载荷下车轮钢超高周疲劳实验研究和寿命预测, 2019-2021，主持
  3. 国家重点研发计划-任务：川藏铁路货运列车关键系统及部件验证技术，2023-2026，主持
  4.  国铁集团科技研发计划：高速铁路道岔轨件损伤容限和剩余寿命研究，2021-2025，主持
  5. 北京交通大学: 背衬轴承滚道面剥离失效分析，2023-2024，主持
  6. 北京交通大学: 表明强化刚高温滚动接触疲劳，2022-2023，主持
  7. 北京交通大学：道岔R350HT钢轨疲劳性能测试，2021-2022，主持
  8. 北京交通大学：金属材料磨损和疲劳竞争关系研究，2022-2023，主持
  9. 北京交通大学：典型工况下车轮辋裂裂纹扩展研究，2022-2023，主持
  10. 北京交通大学:车轮辐板和轮辋位置材料疲劳性能试验研究-马钢, 2020-2021，主持
  11. 北京交通大学: 车轮辐板和轮辋位置材料疲劳性能试验研究-太重, 2020-2021，主持
  12. 北京交通大学: 车轮辐板和轮辋位置材料疲劳性能试验研究-Bvv, 2020-2021，主持
  13. 北京交通大学: 车轮辐板和轮辋位置材料疲劳性能试验研究-智奇, 2020-2021，主持
  14. 北京交通大学: 车轮辐板和轮辋位置材料疲劳性能试验研究-Caf, 2020-2021，主持
  15. 北京交通大学: 注塑模具热疲劳行为及设计方法改进研究, 2017-2019，主持
  16. 北京交通大学: 和谐电力机车用车轮材料抗RCF性能评价方法研究, 2020-2021，主持
  17. 基本科研业务费：铁路车轮辋裂锯齿形裂纹特征和扩展阻滞研究，2022-2024，主持
  18. 基本科研业务费人才基金: 车轮滚动接触疲劳裂纹萌生及扩展机理研究, 2017-2019，主持
  19. 基本科研业务费: 高速列车制动盘表面裂纹萌生和扩展机制研究, 2017-2018，主持
  20. 国家重点研发计划-任务: 轴承材料成分和性能仿真研究, 2019-2021，参与
  21. 国家重点研发计划-任务: 高可靠性轴承材料热处理技术研究及仿真研究探索, 2019-2021，参与
  22. 国家自然科学基金“联合基金项目”: 高速列车齿轮箱轴承服役性能演化与疲劳可靠性研究, 2019-2022，参与











教学工作

本科生课程：《计算方法》32学时，《Engineering Mechanics》(国际班英文课) 64学时

研究生课程：《连续介质力学》8学时，《车辆零部件失效分析与预防》

论文/期刊


发表SCI论文30余篇，其中第一作者和通讯作者20余篇，包括Scripta Materialia, Int J Fatigue等，论文总引用1000余次。获得专利4项。 (*-corresponding author) 


  1. Gao P ,Liu Xiaolong* , Zhang S ,et al.A Life Model for Very High Cycle Fatigue Under Rolling Contact Loading and Its Application in Shattered Rim of Railway Wheels[J].Fatigue & Fracture of Engineering Materials & Structures, 2025, 48(5).DOI:10.1111/ffe.14599.
  2. Chang H , Wang X , Liu Xiaolong* ,et al.Modeling on rolling contact fatigue life of gear steel with gradient structure[J].Wear[2025-09-12].DOI:10.1016/j.wear.2025.206243.(SCI, AN1)
  3. Liu Xiaolong , Luo K , Gao P ,et al.Crack propagation retardation behavior of shattered rim in the railway wheel[J].Theoretical and Applied Fracture Mechanics, 2025, 135.DOI:10.1016/j.tafmec.2024.104754.(SCI, AN2)
  4. Qiang Yi, Xiaolong Liu*, Shuguo Wang, Wei Zhao, Zhuopeng Jiang, Wenjing Wang，Failure mechanism and crack propagation behavior of turnout stock rail in high-speed railway [J]. Engineering Failure Analysi, 2025, 167, 109026.(SCI, AN1)
  5. Kelian Luo , Xiaolong Liu* , Yan Yang, Tao Cong, Fenbo Zhang, Wenjing Wang.  Modeling the competitive relationship between wear and rolling contact fatigue of railway wheel steel[J]. Wear, 2025, 560-561, 205615.(SCI, AN1)
  6. Xiaolong Liu, Kelian Luo, Pengcheng Gao,Tao Cong, Xi Wang, Wenjing Wang；Formation mechanism of zig-zag crack region on the shattered rim of railway wheel, Engineering Fracture Mechanic, 2024, 295, 109739.(SCI, AN2)
  7. Xiaolong Liu, Siyuan Zhang, Tao Cong, Xi Wang, Wenjing Wang; Very high cycle fatigue life prediction of high strength steel based on machine learning, Fatigue and Fracture of Engineering Materials and Structures, 2023, 1-12.  (SCI, AN2)
  8. Qiang Yi, Xiaolong Liu*, Shuguo Wang, Wei Zhao, Zhuopeng Jiang, Wenjing Wang, Bo Yuan; Failure mechanism and damage tolerance of turnout point rail in high-speed railway, 2024, 157, 107936. (SCI, AN2)
  9. Xiaolong Liu; Pengcheng Gao; Si Wu; Guanzhen Zhang; Tao Cong ; Interior crack initiation during the very‐high‐cycle fatigue of railway wheel steel under axial loading and rolling contact loading, Fatigue & Fracture of Engineering Materials & Structures, 2022, 45(7): 2127-2138. (SCI, AN2)
  10. Xiaolong Liu; Wei Zhao; Tao Cong; Shuguo Wang; Xi Wang; Wenjing Wang ; The effects of hardness on the spalling property of railway wheel steel, Wear, 2022, 504: 204429. (SCI, AN1)
  11. Xiaolong Liu; Pengcheng Gao; Tao Cong; Shuguo Wang; Xi Wang; Wenjing Wang ; Effects of thermal cracks on friction and wear properties of forged steel used in railway brake discs, Wear, 2023, 520: 204650. (SCI, AN1)
  12. Tao Cong; Xiaolong Liu*; Si Wu; Guanzhen Zhang; Erqing Chen; Guian Qian; Filippo Berto, Study on damage tolerance and remain fatigue life of shattered rim of railway wheels, Engineering Failure Analysis, 2021, 123: 105322. (SCI, AN3)
  13. Tao Cong; Guian Qian; Guanzhen Zhang; Si Wu; Xiangnan Pan; Leiming Du; Xiaolong Liu*, Effects of inclusion size and stress ratio on the very-high-cycle fatigue behavior of pearlitic steel, International Journal of Fatigue, 2021, 142: 105958. (SCI, AN1)
  14. Rui‐Guo Yan; Wenjing Wang; Yu‐Tong Guo; Xiao‐Long Liu; Sheng-Chuan Wu; Zhen‐Xian Zhang ; Influence of wheel out‐of‐roundness on the remaining life of railway wheels under mixed‐mode fatigue loading, Fatigue & Fracture of Engineering Materials & Structures, 2022, 45(7): 2072-2085
  15. Xiaolong Liu, Fuping Yuan, Yuntian. Zhu, Xiaolei Wu*, Extraordinary Bauschinger effect in gradient structured copper, Scripta Mater, 150 (2018) 57-60. (SCI, AN1)
  16. Xiaolong Liu, Chengqi Sun, Youshi Hong*, Effects of stress ratio on high-cycle and very-high-cycle fatigue behavior of a Ti–6Al–4V alloy, Mater Sci and Eng A, 622 (2015) 228-235. (SCI, AN1)
  17. Xiaolong Liu*, Erqing Chen, Fan Zeng, Tao Cong, Joseph P Domblesky. Mechanisms of interior crack initiation in very-high-cycle fatigue of high-strength alloys, Engineering Fracture Mechanics, 212 (2019), 153-163. (SCI, AN2)
  18. Xiaolong Liu, Chengqi Sun, Youshi Hong, Faceted crack initiation characteristics for high-cycle and very-high-cycle fatigue of a titanium alloy under different stress ratios, Int J Fatigue, 92 (2016) 434-441. (SCI, AN1)
  19. Xiaolong Liu, Chengqi Sun, Yantian Zhou, Youshi Hong, Effects of microstructure and stress ratio on high-cycle and very-high-cycle fatigue of Ti-6Al-4V alloy, Acta Metall Sinica, 52 (2016) 923-930. (SCI, AN4)
  20. H. Su, Xiaolong Liu#, Chengqi Sun, Youshi Hong, Microstructure characterizations of interior crack initiation region for very-high-cycle fatigue of a Ti-6Al-4V alloy, Fatigue Fract Eng Mater Struct, 40 (2017) 979-993. (SCI, AN3)
  21. Xiaolong Liu, Chengqi Sun, Youshi Hong, Crack initiation characteristics and fatigue property of a high-strength steel in VHCF regime under different stress ratios, Frattura Ed Integritá Strutturale, 35 (2016) 88-97. (EI, AN5)
  22. Tao Cong, Jianmin Han, Youshi Hong, Joseph P Domblesky, Xiaolong Liu* , Shattered rim and shelling of high-speed railway wheels in the very-high-cycle fatigue regime under rolling contact loading, Engineering Failure Analysis, 97 (2019), 556-567. (SCI, AN3)
  23. Zhizhong Wang, Jianmin Han, Joseph P Domblesky, Zhiqiang Li, Xinguang Fan, Xiaolong Liu*. Crack propagation and microstructural transformation on the friction surface of a high-speed railway brake disc, Wear, 428-429 (2019) 45-54. (SCI, AN2)
  24. Zhizhong Wang, Jianmin Han, Xiaolong Liu*, Zhiqiang Li, Zhiyong Yang, Erqing Chen, Temperature evolution of the train brake disc during high-speed braking, Advances in Mechanical Engineering, 11 (2019) 1-9. (SCI, AN4)
  25. Xiaolong Liu, Qiqi Xue, Wei Wang, Lingling Zhou, Ping Jiang, Hansong Ma, Yueguang Wei, Xiaolei Wu, Back-stress-induced strengthening and strain hardening in dual-phase steel, Materialia, 7(2019) 100376.11.
  26. Youshi Hong*, Xiaolong Liu, Zhengqiang Lei, Chengqi Sun, The formation mechanism of characteristic region at crack initiation for very-high-cycle fatigue of high-strength steels, Int J Fatigue, 89 (2016) 108-118. (SCI, AN1)
  27. Qingqing Jiang, Chengqi Sun, Xiaolong Liu, Youshi Hong*, Very-high-cycle fatigue behavior of a structural steel with and without induced surface defects, Int J Fatigue, 93 (2016) 352-362. (SCI, AN1)                                      
  28. Chengqi Sun, Xiaolong Liu, Youshi Hong*, A two-parameter model to predict fatigue life of high-strength steels in a very high cycle fatigue regime, Acta Mech Sinica, 31 (2015) 383-391. (SCI, AN4)                                      
  29. Chengqi Sun, Xiaole Zhang, Xiaolong Liu, Youshi Hong*, Effects of specimen size on fatigue life of metallic materials in high-cycle and very-high-cycle fatigue regimes, Fatigue Fract Eng Mater Struct, 39 (2016) 770-779. (SCI, AN3)
  30. Yingxin Zhao, Zhiyong Yang, Joseph P. Domblesky, Jianmin Han, Zhiqiang Li, Xiaolong Liu，Investigation of through thickness microstructure and mechanical properties in friction stir welded 7N01 aluminum alloy plate，Materials Science & Engineering A，760（2019）316-327. (SCI, AN1)
  31. Yingxin Zhao, Jianmin Han, Joseph P. Domblesky, Zhiyong Yang, Zhiqiang Li, Xiaolong Liu，Investigation of void formation in friction stir welding of 7N01 aluminum alloy，Journal of Manufacturing Processes，37（2019）139-149 (SCI, AN3)
  32. Youshi Hong, Chengqi Sun, XiaoLong Liu. A review on mechanisms and models for very-high-cycle fatigue of metallic materials. Advances in Mechanics, 2018, 48: 201801. (EI, AN5)








专著/译著

专利

洪友士；孙成奇；刘小龙。预测试样尺寸对疲劳寿命影响的方法，ZL 2016 1 0059873.9，发明专利

软件著作权

获奖与荣誉

中国铁道学会科学技术三等奖

《Fatigue & Fracture of Engineering Materials & Structures》期刊 Top Reviewer Award

指导研究生获得第二届全国失效分析大赛一等奖

指导研究生获得中国铁道学会车辆委员会2019年学术年会二等、三等优秀论文

社会兼职

第六届中国材料学会疲劳分会理事

中国铁道学会车辆委员会轮轴学组成员