刘建星，清华大学博士，西安交通大学航天航空学院工程力学系副教授，主要研究领域为软物质与柔性结构力学、柔性电子器件。

入选陕西省“三秦英才”青年拔尖人才、中国力学学会蓄水池青年人才项目等。

主要研究方向包括：

1. 柔性结构力学（具有非常规力学特性的结构化软材料设计制备、理论建模与器件应用）；

2. 软材料基础力学性能的理论与实验（包括断裂、疲劳、粘接等问题）；

3. 柔性力学传感器等柔性电子器件的设计开发。

教育背景：

2016.09-2021.06  清华大学         固体力学            工学博士（导师：张一慧 教授）

2012.09-2016.06  华中科技大学  船舶与海洋工程  工学学士

工作经历：

2025.04-至今        西安交通大学  航天航空学院  副教授

2021.08-2025.03  西安交通大学  航天航空学院  助理教授（青秀A类）

办公室：

创新港2-3094

邮箱：

jianxingliu@xjtu.edu.cn

近年来，研究成果以第一/通讯（含共同）作者身份发表在 JMPS、JAM、EML、IJF 等力学领域知名期刊，以及 Mater. Today、AFM、ACS Nano、Adv. Sci. 等综合/材料类知名期刊上，申请/授权国家发明专利8项。

近五年代表性学术论文：

1. Jianxing Liu, Dongjia Yan, Yihui Zhang*. Mechanics of unusual soft network materials with rotatable structural nodes. Journal of the Mechanics and Physics of Solids. 146, 104210 (2021).

2. Jianxing Liu^#, Dongjia Yan^#, Wenbo Pang, Yihui Zhang*. Design, Fabrication and Applications of Soft Network Materials. Materials Today. 49, 324-350 (2021).

3. Jianxing Liu, Haoyu Guo, Haiyang Liu, Tongqing Lu*. Designing hierarchical soft network materials with developable lattice nodes for high stretchability. Advanced Science. 2206099 (2023).

4. Jianxing Liu^#, Haiyang Liu^#, Haoyu Guo, Linwei Huang, Tongqing Lu*. Self-powered iontronic capacitive sensing unit with high sensitivity in charge-output. Advanced Functional Materials. 2412377 (2025).

5. Haoyu Guo^#, Jianxing Liu^#, Haiyang Liu, Meng Yang, Jiawei Zhao, Tongqing Lu*. Iontronic Dynamic Sensor with Broad Bandwidth and Flat Frequency Response Using Controlled Preloading Strategy.  ACS Nano. 18 (7), 5599-5608 (2024).

6. Jianxing Liu, Linwei Huang, Haoyu Guo, Haiyang Liu, Tongqing Lu*. Hybrid-Microstructure-Based Soft Network Materials with Independent Tunability of Mechanical Properties over Large Deformations. ACS Applied Materials & Interfaces. 16 (25), 32411-32424 (2024).

7. Jianxing Liu, Haiyang Liu, Haoyu Guo, Tongqing Lu*. Crack-insensitive fracture of elastomer-based soft network materials under monotonic and cyclic loads. Extreme Mechanics Letters. 69, 102162 (2024).

8. Jianxing Liu^#, Yihong Du^#, Yifan Zhou, Hou Wu, Tongqing Lu*. High-throughput experimental method for measuring fatigue crack growth rate curve of soft materials. International Journal of Fatigue. 184, 108320 (2024).

9. Jianxing Liu, Xinyuan Zhu, Zhangming Shen, Yihui Zhang*. Imperfection sensitivity of mechanical properties in soft network materials with horseshoe microstructures. Acta Mechanica Sinica. 37, 1050-1062 (2021).

10. Haiyang Liu, Haoyu Guo, Meng Yang, Jianxing Liu*, Tongqing Lu*.  Frequency dependent sensitivity of hydrogel iontronic sensor. Smart Materials and Structures. 32, 015010 (2023).