韦小丁

特聘研究员、博士生导师


力学与工程科学系特聘研究员


联系电话:
电子邮箱:xdwei@pku.edu.cn
个人主页:https://www.nml-pku.com/



Researcher ID: http://www.researcherid.com/rid/A-9952-2011
Google Scholar: http://scholar.google.com/citations?user=zhjsEJEAAAAJ&hl=en
 
教育与工作经历


•    2015–目前, 北京大学力学与工程科学系, 特聘研究员、博士生导师
•    2009–2015,美国西北大学,博士后研究员
•    2004–2009, 美国哥伦比亚大学, 博士
•    2003–2004, 美国哥伦比亚大学,硕士
•    1998–2003, 中国科学技术大学,本科
 
研究领域


•    低维(一维、二维)单分子材料的基础力学研究
•    基于低维材料的多功能复合材料的设计与制备
•    抗冲击复合材料结构的设计与实现
•    纳米晶体金属材料力学性能

 

奖励与荣誉



•    2009. 哥伦比亚大学优秀博士毕业论文
•    2019. 北京大学教学优秀奖
•    2019. 正大教师奖

 
学术服务


•     为以下学术期刊担任独立审稿人: PNAS, Nature Communications, Journal of the Mechanics and Physics of Solids, Carbon, MRS Communication, AIP Advances, Nanotechnology, Journal of Physics D Applied Physics, Journal of Thin Solid Films, Journal of Applied Mechanics, Journal of Experimental Mechanics, etc.
•    美国材料研究学会会员
•    美国实验力学学会会员
•    美国工程科学学会会员
 
 

研究成果总结


国际首次实验测定单层石墨烯力学性能,在国际著名学术期刊 Science, Nature Communications, ACS Nano, Advanced Materials, Small, Journal of the Mechanics and Physics of Solids 等共发表学术论文40余篇。研究成果受到了国际同行广泛的关注,多次被New York Post, Materials Today, NewScientist, ScienceDaily和Physics News等多家报纸、网站等媒体报道。所发表文章他引次数超1.5万次。

 

代表性论文

  1. B. Deng#, Y. Hou#, Y. Liu#, ... X. Wei*, Z. Zhang*, Z. Liu*, H. Peng*, 2020. Growth of Ultra-Flat Graphene with Greatly Enhanced Mechanical Properties. Nano Letters.
  2. C. Jia#, L. Lei#, Y. Liu#, B. Fang#, … X. Wei*, H. Wu*, Highly compressible and anisotropic lamellar ceramic sponges with superior thermal insulation and acoustic absorption performances. Nature Communications, 2020. 11(1): p. 1-13.
  3. Z. Yu, J. Liu, X. Wei*, Achieving outstanding damping performance through bio-inspired sutural tessellations. Journal of the Mechanics and Physics of Solids. 2020 May 21:104010.
  4. Z. Yu, J. Liu, X. Wei*, A general property-structure relationship from crack stability analysis on hybrid staggered composites with elasto-plastic matrices, Composite Structures  (2020) 112071.
  5. L. Wei, W. Zhu, Z. Yu, J. Liu, X. Wei*"A new three-dimensional progressive damage model for fiber-reinforced polymer laminates and its applications to large open-hole panels." Composites Science and Technology (2019): 107757.
  6. Z. Yu, J. Liu, W. Zhu, X. Wei*, “Optimizing mechanical properties of bio-inspired composites through functionally graded matrix and microstructure design,” Composite Structures, 2018.
  7. Z. Yu, J. Liu, X. Wei*, “Unraveling crack stability and strain localization in staggered composites by fracture analysis on the shear-lag model,” Composites Science and Technology, 2018, 156: 262-268.
  8. J. Liu, W. Zhu, Z. Yu, X. Wei*, “Size effects in layered composites–Defect tolerance and strength optimization,” Composites Science and Technology, 2018, 165: 154-160.
  9. J. Liu, W. Zhu, Z. Yu, X. Wei*, “Dynamic shear-lag model for understanding the role of matrix in energy dissipation in fiber-reinforced composites,” Acta Biomaterialia, 2018, 74(1): 270-279.
  10. X. Wei, Z. Meng, L. Ruiz, W. Xia, C. Lee, J. W. Kysar, J. C. Hone, S. Keten*, and H. D. Espinosa*. "Recoverable Slippage Mechanism in Multilayer Graphene Leads to Repeatable Energy Dissipation." ACS Nano, 2016, 10 (2): 1820–1828.
  11. X. Wei, M. Ford and H. D. Espinosa*, “A New Monte Carlo Model for Predicting the Mechanical Properties of Fiber Yarns.” Journal of the Mechanics and Physics of Solids, 2015, 84: 325-335.
  12. X. Wei, L. Mao, R. A. Soler-Crespo, J. T. Paci, J. Huang, S. T. Nguyen, and H. D. Espinosa*, “Plasticity and Ductility in Graphene Oxide through a Mechanochemically Induced Damage Tolerance Mechanism.” Nature Communications, 2015, 6: 8029-
  13. X. Wei, T. Filleter and H. D. Espinosa*, “Statistical shear lag model - unraveling the size effect in hierarchical composites.” Acta Biomaterialia, 2015, 18: 206-212
  14. A. Beese, X. Wei, M. Roenbeck, and H. D. Espinosa*, “Key Factors Limiting Carbon Nanotube Yarn Strength: Exploring Processing-Structure-Property Relationships.” ACS Nano, 2014, 8(11): 11454-11466
  15. X. Wei, A. Vaucorbeil, P. Tran, H. D. Espinosa*, "A new Rate-dependent Unidirectional Composite Model - Application to Panels Subjected to Underwater Blast." Journal of the Mechanics and Physics of Solids, 2013, 61(6): 1305–1318
  16. X. Wei, P. Tran, A. Vaucorbeil, R. B. Ramaswamy, F. Latourte, H. D. Espinosa*, "Three-Dimensional Numerical Modeling of Composite Panels Subjected to Underwater Blast." Journal of the Mechanics and Physics of Solids, 2013, 61(6): 1319–1336
  17. X. Wei, M. Naraghi and H. D. Espinosa*, "Optimal Length Scales Emerging from Shear Load Transfer in Natural Materials--Application to Carbon-Based Nanocomposite Design." ACS nano, 2012, 6(3): 2333-2344
  18. X. Wei* and J. W. Kysar, "Residual plastic strain recovery driven by grain boundary diffusion in nanocrystalline thin films." Acta Materialia, 2011, 59(10): 3937-3945
  19. X. Wei, B. Fragneaud, C. A. Marianetti and J. W. Kysar*, "Nonlinear elastic behavior of graphene: Ab initio calculations to continuum description." Physical Review B, 2009, 80(20): 205407
  20. C. Lee, X. Wei, J. W. Kysar and J. Hone*, "Measurement of the elastic properties and intrinsic strength of monolayer graphene." Science, 2008, 321(5887): 385-388