基本情况

研究方向

（1）先进材料与结构力学，包括仿生复合材料、轻质点阵材料、力学超构材料等先进材料的力学性质分析与微结构设计；

（2）固体材料的失效与断裂，包括复杂介质的破坏机理，断裂力学理论方法，材料损伤与失效的本构理论等；

（3）材料的动态力学行为，包括抗冲击材料与结构的设计、声学特性调控、材料在高应变率下的变形机理等。

科研项目

(1) 国家自然科学基金委员会, 青年项目,交错结构仿生复合材料的抗冲击性能机理研究、微结构设计与实验验证, 2020.01- 2021.12，主持

(2) 中国博士后科学基金会，面上资助，含波纹状增强相的交错结构仿生复合材料增韧机理研究,2020.07-2021.11,主持

(3) 国家自然科学基金委员会, 面上项目,高分子纳米薄膜热力耦合多尺度力学理论与实验研究, 2022.01-2025.12,参与

(4) 国家自然科学基金委员会, 青年项目, 基于界面设计的高强韧石墨烯仿生复合材料的构筑及增强增韧机理研究, 2019.01- 2020.12,参与

(5) 国家自然科学基金委员会, 面上项目,非晶合金薄膜在复杂应力条件下的微观形变机理和破坏准则, 2018.01-2021.12,参与

(6) 国家自然科学基金委员会, 青年项目,非晶合金纳米仿生材料的制备与力学性能研究,2018.01-2020.12,参与

获奖情况

2019年 北京大学优秀毕业生

2019年 北京大学王仁奖学金

2009年 山东大学优秀毕业生

代表性研究成果

1．Junjie Liu, Xiaoding Wei*, “A universal fracture analysis framework for staggered composites composed of tablets with different wavy topologies.” Journal of the Mechanics and Physics of Solids (2021).

2．Junjie Liu, Xiaoding Wei*, “Hybrid dynamic shear-lag model – understand the effect of fiber hybridization on the impact performance of composites.” Extreme Mechanics Letters (2021).

3．Junjie Liu#, Zhongliang Yu#, and Xiaoding Wei*, “A multiscale analytical framework for Mode I crack in staggered composites.” Journal of the Mechanics and Physics of Solids (2020).

4．Junjie Liu#, Xusheng Hai#, and Xiaoding Wei*, “Design the wave attenuation property of nacreous composites.” Extreme Mechanics Letters (2020).

5．Junjie Liu, Wenqing Zhu, Zhongliang Yu, Xiaoding Wei*, “Dynamic shear-lag model for understanding the role of matrix in energy dissipation in fiber-reinforced composites.” Acta Biomaterialia (2018).

6．Junjie Liu, Zhongliang Yu and Xiaoding Wei*, “Size effects in layered composites–Defect tolerance and strength optimization.” Composites Science and Technology (2018).

7．Junjie Liu*, Xusheng Hai, Wenqing Zhu, Xiaoding Wei*, “Optimization of damping properties of staggered composites through microstructure design.” Journal of Applied Mechanics (2018).

8．Wenqing Zhu, Junjie Liu, Sheng Mao, Xiaoding Wei*, “A new continuum model for viscoplasticity in metallic glasses based on thermodynamics and its application to creep tests.” Journal of the Mechanics and Physics of Solids (2021).

9．Zhongliang Yu, Junjie Liu, and Xiaoding Wei*, “Achieving outstanding damping performance through bio-inspired sutural tessellations.” Journal of the Mechanics and Physics of Solids (2020).

10．Liming Zheng, Yanan Chen, Ning Li, Jincan Zhang, Nan Liu, Junjie Liu et al., “Robust ultraclean atomically thin membranes for atomic-resolution electron microscopy.” Nature Communications (2020).

11．Lixiao Wei, Wenqing Zhu, Zhongliang Yu, Junjie Liu, Xiaoding 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).

12．Zhongliang Yu, Junjie Liu and Xiaoding Wei*, “Unraveling crack stability and strain localization in staggered composites by fracture analysis on the shear-lag model.” Composites Science and Technology (2018).

13．Zhizhen Zhao, Junjie Liu, Zhenhai Wang et al., “Ultrasensitive triboelectric nanogenerator for weak ambient energy with rational unipolar stacking structure and low-loss power management.” Nano Energy (2017).