研究领域

航空发动机、燃气轮机、车用增压器等叶轮机械结构强度及设计；
增材制造（3D打印）金属构件及材料超长寿命疲劳、损伤及断裂；
新能源汽车传动系统结构失效分析及疲劳可靠性评估"研究项目（近5年纵向）：
国家自然科学基金面上项目：涡轮叶片喷射成形高温合金的环境疲劳行为及超长寿命预测方法，2018/01-2021/12，63万，主持，在研；
航天科学技术基金: 3D打印高强Al-Si-Mg合金环境致裂机理及超长寿命预测，2019/06-2020/06，8万，主持，在研；
轨道车辆结构可靠性与运用检测技术教育部工程研究中心开放课题：车轴钢超长寿命疲劳失效机制及寿命预测方法研究，2020/01-2021/12，3万，主持，在研；
上海航天科技创新基金项目：3D打印Al-Si-Mg合金低温-超长寿命疲劳失效机制及寿命预测方法研究，2020/01-2021/12，10万，主持，在研；
国防基础产品创新科研项目：高原环境下xxx结构设计方法研究，2018/01-2020/12，280万，参加（负责子课题），在研；
国家自然科学联合基金重点项目：基于载荷谱的电动汽车传动构件疲劳寿命与系统可靠性研究，2019/01-2022/12，210万，参加（负责子课题），在研；
国防基础产品创新科研项目：XXX材料概率疲劳强度特性研究，2013/01-2017/12，460万，主持、结题；
国家自然科学基金青年项目：涡轮增压器转轴渗氮钢的环境-缺陷致裂机理及超长寿命评估，2014/01-2016/12，25万，主持，结题；
国防基础产品创新科研项目：XXX疲劳设计方法与验证，2013/01-2015/12，150万，主持，结题"

近期论文

代表性论文（近5年）：
Li W*, Zhou SQ, Li XL, Deng HL, Nehila A, Wang P, Sakai T. A microstructure-fatigue based damage evaluation approach of case-hardened steels with interior inclusion-fisheye induced failure. Engineering Fracture Mechanics, 2020, Accepted. (IF: 2.908)
Li W*, Li M a, Xing X a, Gao N a, Wang P b. Faceted crack induced failure behavior and micro-crack growth based strength evaluation of titanium alloys under very high cycle fatigue. International Journal of Fatigue, 2020, 131: 105369. (IF: 3.673)
Li W*, Xing X, Gao N, Wang P. Subsurface crack nucleation and growth behavior and energy-based life prediction of a titanium alloy in high-cycle and very-high-cycle regimes. Engineering Fracture Mechanics, 2019, 221: 106705. (IF: 2.908)
Li W*, Xing X, Gao N, Li M, Sun R, Zhou S, Sakai T. S Subsurface facets-induced crack nucleation behavior and microstructure-based strength evaluation of titanium alloys in ultra-long life regime. Materials Science and Engineering A, 2019, 761: 138055. (IF:4.081)
Li W*, Sun R, Gao N, Wang P, Sakai T. Interior induced fatigue of surface-strengthened steel under variable loading: Failure mechanism and damage modelling. Fatigue & Fracture of Engineering Materials & Structures, 2019, 42: 2383-2396. (IF: 2.555)
Gao N, Li W*, Sun R, Wang P, Sakai T. A fatigue assessment approach involving small crack growth modelling for structural alloy steels with interior fracture behavior. Engineering Fracture Mechanics, 2018, 204(12): 198-210. (IF: 2.908)
Nehila A, Li W*, Zhao H, Gao N, Xing X. Very high cycle fatigue of surface carburized CrNi steel at variable stress ratio: Failure analysis and life prediction. International Journal of Fatigue, 2018, 111(6): 112-123. (IF: 3.673)
Nehila A, Li W*, Zhao H. Interior failure mechanism and life prediction of surface-treated 17CrNi steel under high and very high cycle fatigue. Fatigue & Fracture of Engineering Materials & Structures, 2018, 41(6): 1-12. (IF: 2.555)
Li W*, Gao N, Zhao H, Xing X. Crack initiation and early growth behavior of TC4 titanium alloy under high cycle fatigue and very high cycle fatigue. Journal of Materials Research, 2018, 33(4): 935-945. (IF: 1.982)
Deng H, Li W*, Zhao H. Multiple fatigue failure behaviors and long-life prediction approach of carburized Cr-Ni steel with variable stress ratio. Materials, 2017, 10(9): 1084-1105 (IF: 2.972)
Li W*, Zhao H, Nehila A, Zhang Z, Sakai T. Very high cycle fatigue of TC4 titanium alloy under variable stress ratio: Failure mechanism and life prediction. International Journal of Fatigue, 2017, 104(11): 342-354. (IF:3.673)
Li W*, Deng H, Liu P. Interior fracture mechanism analysis and fatigue life prediction of surface-hardened gear steel under axial loading. Materials, 2016, 9(10): 843. (IF:2.972)
Liu P, Li W*, Nehila A, Sun Z, Deng H. High cycle fatigue property of carburized 20Cr gear steel under axial loading. Metals, 2016, 6(10): 246. (IF:2.259)
Li W*, Sakai T, Deng H. Statistical evaluation of very high cycle fatigue property of high carbon chromium bearing steel under axial loading. Materials Science and Technology, 2016, 32 (11): 1094-1099. (IF:1.938)
Sun Z, Li W*, Zhang Z, Deng H. Fisheye failure analysis and life design approach for case-carburized gear steel based on statistical evaluation of defect size. Engineering Failure Analysis, 2016, 59(1): 28-40. (IF:2.203)
Deng H, Li W*, Sakai T, Sun Z. Very high cycle fatigue failure analysis and life prediction of Cr-Ni-W gear steel based on crack initiation and growth behaviors. Materials, 2015, 8(12): 8338-8354. (IF:2.972)
Li W*, Deng H, Sun Z, Zhang Z, Lu L, Sakai T. Subsurface inclusion-induced crack nucleation and growth behaviors of high strength steels under very high cycle fatigue: Characterization and microstructure-based modeling. Materials Science and Engineering A, 2015, 641(8): 10-20. (IF:4.081)
Li W*, Sun Z, Zhang Z. Deng H, Sakai T. Interior crack initiation and growth behaviors and life prediction of a carburized gear steel under high cycle fatigue and very high cycle fatigue. Journal of Materials Research, 2015, 30(14): 2247-2257. (IF:1.982)
Li W*, Sun Z, Zhang Z. Deng H, Sakai T. Influence of case-carburizing and micro-defect on competing failure behaviors of Ni-Cr-W steel under gigacycle fatigue. International Journal of Fatigue, 2015, 75(3), pp. 66-74. (IF:3.673)
Li W*, Sun Z, Zhang Z. Deng H, Sakai T. Evaluation of crack growth behavior and probabilistic S-N characteristics of carburized Cr-Mn-Si steel with multiple failure modes. Materials & Design, 2014, 64(12): 760-768. (IF:5.770)
Li W*, Yuan H, Sun Z, Zhang Z. Surface vs. interior failure behaviors in a structural Steel under gigacycle fatigue: Failure analysis and life prediction. International Journal of Fatigue, 2014, 64(7): 42-53. (IF:3.673)
Li W*, Wang P, Lu L, Sakai T. Evaluation of gigacycle fatigue limit and life of high strength steel with interior inclusion-induced failure. International Journal of Damage Mechanics, 2014, 23(7): 931-948. (IF:2.342)
Li W*, Sakai T, Wakita M, Mimura S. Influence of microstructure and surface defect on Very high cycle fatigue properties of clean spring steel. International Journal of Fatigue, 2014, 60(3): 48-56. (IF: 3.673)
山东省科学院海洋仪器仪表研究所特聘研究员