• 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

• 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

• 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

• 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

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

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.

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.

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.

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.

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.

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.

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.

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.

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.

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.

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.

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-

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

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

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

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

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

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

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

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