1.         Deformation and fracture of metal films

2.         Fatigue and damage behavior of metal films

3.         Buckling/wrinkling of stiff films on soft substrates and its functionalities

2019.11 – Present   Xi'an Jiaotong University, China   Associate Professor

2019.03 – 2020.03  Karlsruher Institut für Technologie, Germany Visiting scholar

2016.04 – 2019.10  Xi'an Jiaotong University, China   Lecturer

2010.09 – 2016.03   Materials Science and Engineering, Xi’an Jiaotong University. Ph.D.

2006.09 – 2010.07  Materials Science and Engineering, Xi’an University of Technology, Bachelor of Engineering

2018  Honor for Excellent Thesis, Xi’an Jiaotong University

Full publications list and Citation

https://www.researchgate.net/profile/Kai-Wu-7/research

Selected Publications

1. Kai Wu, Ting Zhu, Liangliang Zhu, Yu Sun, Kai Chen, Jiaorui Chen, Haozhi Yuan, Yaqiang Wang, Jinyu Zhang, Gang Liu^*, Xi Chen, Jun Sun^*, Reversible Mechanochromisms via Manipulating Surface Wrinkling, Nano Letters, 22(6) (2022) 2261.

2. Kai Wu, Yu Sun, Haozhi Yuan, Jinyu Zhang, Gang Liu^*, Jun Sun^*, Harnessing Dynamic Wrinkling Surfaces for Smart Displays, Nano Letters, 20(6) (2020) 4129.

3. Haozhi Yuan; Kai Wu^*; Jinyu Zhang; Yaqiang Wang; Gang Liu^*, Jun Sun^*, Curvature-Controlled Wrinkling Surfaces for Friction, Advanced Materials, 31 (2019) 1900933.

4. Kai Wu, Jinyu Zhang, Jiao Li, Yaqiang Wang, Gang Liu^*, Jun Sun^*, Length-scale-dependent cracking and buckling behaviors of nanostructured Cu/Cr multilayer films on compliant substrates, Acta Materialia, 100 (2015) 344.

5. Kai Wu, Jinyu Zhang, Gang Liu^*, Peng Zhang, Pengming Cheng, Jiao Li, Guojun Zhang; Jun Sun^*, Buckling behaviors and adhesion energy of nanostructured Cu/X (X=Nb, Zr) multilayer films on a compliant substrate, Acta Materialia, 61 (2013) 7889.

6. Haozhi Yuan; Kai Wu^*; Jinyu Zhang; Yaqiang Wang; Gang Liu^*, Jun Sun^*, Universal scaling laws for metallic wrinkling on soft spherical substrates, Scripta Materialia, 190 (2021) 12.

7. Kai Wu ^*, Haozhi Yuan, Sijia Li, Jinyu Zhang, Gang Liu^*, Jun Sun^*, Two-stage wrinkling of Al films deposited on polymer substrates, Scripta Materialia, 162 (2019) 456.

8. Kai Wu ^*, Haozhi Yuan, Xiaoqing Liang, Jinyu Zhang, Gang Liu^*, Jun Sun^*, Size dependence of buckling strains of Cr films, Cu films and Cu/Cr multilayers on compliant substrates, Scripta Materialia, 146 (2018) 1.