Introduction

Dr. Guisen Liu has been devoted to multiscale research on strength and plasticity of crystalline materials since 2011 when she was a junior in Shanghai Jiao Tong University. She is currently teaching “Multiscale Materials Modeling and Simulations” for graduate students and “Materials Modeling and Computation” for undergraduates.  

Biographical Information

• Education

09/2008-06/2012: B.S., Materials Science and Engineering, Shanghai Jiao Tong University

09/2012-03/2017: Ph.D., Materials Science and Engineering, Shanghai Jiao Tong University

• Professional Appointments

11/2020-date: Tenure-track associate professor, School of Materials Science and Engineering, Shanghai Jiao Tong University

05/2017-10/2020: Postdoc, School of Materials Science and Engineering, Shanghai Jiao Tong University

10/2017-06/2019: Visiting Postdoc, Department of Mechanical and Materials Engineering, University of Nebraska-Lincoln, USA

Research Interests

1. Modeling mechanical behavior of nuclear materials, including irradiation creep of cladding material, irradiation hardening of structural material.  

2. Multiscale Materials Modeling, with particular interests on developing and applying mesoscale models like crystal plasticity finite element, dislocation dynamics and phase field for designing high performance metals and alloys such as Mg alloy and steels etc.

Selected Publications

Note: * is corresponding author, # made equal contributions

[1] Guisen Liu*,#, Hanxuan Mo#, Jian Wang, Yao Shen*. Coupled crystal plasticity finite element-phase field model with kinetics-controlled twinning mechanism for hexagonal metals. Acta Materialia, 2021, 202: 399-416.

[2] Guisen Liu, S.J. Wang, A. Misra, J. Wang*. Interface-mediated plasticity of nanoscale Al–Al2Cu eutectics. Acta Materialia, 2020, 186: 443-453.

[3] Guisen Liu, D.Y. Xie, S.J. Wang, A. Misra, J. Wang*. Mesoscale crystal plasticity modeling of nanoscale Al–Al2Cu eutectic alloy. International Journal of Plasticity, 2019, 121: 134-152.

[4] Guisen Liu, X. Cheng, J. Wang, K. Chen, Y. Shen*. Quasi-periodic variation of Peierls stress of dislocations in face-centered-cubic metals. International Journal of Plasticity, 2017, 90: 156-166.

[5] Ao Tang, Haiting Liu, Guisen Liu*, Yong Zhong, Li Wang, Qi Lu, Jeff Wang, Yao Shen*. Lognormal distribution of local strain: A universal law of plastic deformation in material. Physical Review Letters, 2020, 124: 155501.

[6] Kaitao Wu, Guisen Liu*, Ping Yu, Changqing Ye, Jiaqing Shi, Yao Shen*. Prediction of hardening effect by irradiation-induced vacancy clusters with dislocation dynamics, International Journal of Plasticity, 2022, 149: 103160.

[7] J. Shi, Guisen Liu*, K. Wu, P. Yu, H. Zhu, G. Zhao, Y. Shen*, Experiments and/or crystal plasticity finite element modeling of the mechanical properties of pristine and irradiated tungsten single crystal, International Journal of Plasticity, 2022, 154: 103293.       

[8] H. Mo, Guisen Liu*, Y. Mao, Y. Shen*, Jian Wang*.  Dual-interface model for twinning in the coupled crystal plasticity finite element-Phase field method, International Journal of Plasticity, 2022, 158: 103441. 

[9] Ao Tang, Haiting Liu, Ran Chen, Guisen Liu*, Qingquan Lai, Yong Zhong, Li Wang, Jeff Wang, Qi Lu, Yao Shen*. Mesoscopic origin of damage nucleation in dual-phase steels. International Journal of Plasticity, 2021,137: 102920.

[10] J. Liu, Guisen Liu*, C. Ye, K. Chen, J. Hu, Y. Yu, and Yao Shen*, Multiscale investigation of shear relaxation in shock loading: A top-down perspective. Materials and Design, 2022, 220: 110839.

[11] Ping Yu, Guisen Liu*, Kaitao Wu, Yanguang Cui, Guannan Zhao, Yao Shen*. Exploring the effects of the sheared voids on the hardening of tungsten using atomistic simulations. Journal of Nuclear Materials, 2022, 562: 153548.

[12] W. Kuang#, J. Huang#, Guisen Liu*, Y. Cui, G. Zhao, Y. Shen*, Modeling of flux-dependent fluence effect on in-reactor deformation in Zr-alloy tubes, Journal of Nuclear Materials, 2022, 564: 153708.   

[13] H. Ge#, Guisen Liu#, S. Zheng*, Y. Yang, K. Liu, X. Ma*, Dislocation climbing dominated decomposition and fracture of carbides in a Ni-based superalloy, Acta Materialia, 2023: 118669.

[14] C. Ye, Guisen Liu#, K. Chen, J. Liu, J. Hu, Y. Yu, Y. Mao, Y. Shen*, Unified crystal plasticity model for fcc metals: From quasistatic to shock loading, Physical Review B, 2023, 107(2): 024105.

[15] Guisen Liu, X. Cheng, J. Wang, K. Chen, Y. Shen*, Peierls stress in face-centered-cubic metals predicted from an improved semi-discrete variation Peierls-Nabarro model. Scripta Materialia, 2016, 120: 94-97.

[16] Guisen Liu, M. Gong, D. Xie, J. Wang*, Structures and Mechanical Properties of Al-Al2Cu Interfaces. JOM, 2019, 71(4): 1200-1208.

[17] Guisen Liu, X. Cheng, J. Wang, K. Chen, Y. Shen*, Atomically informed nonlocal semi-discrete variational Peierls-Nabarro model for planar core dislocations. Scientific Reports, 2017, 7: 43785.

[18] Guisen Liu, J. Wang, Y. Shen*. Density functional theory study of twin boundaries of Zn under high pressure, Computational Materials Science, 2018, 151: 106-116.

[19] Guisen Liu, X. Cheng, J. Wang, K. Chen, Y. Shen*, Improvement of nonlocal Peierls-Nabarro models. Computational Materials Science, 2017, 131: 69-77.

[20] X. Zheng, Guisen Liu, S. Zheng, Y. Ma, R. Yang, J. Wang, X. Ma, {101¯2} twinning induced by the interaction between {112¯1} twin and β phase in α+β Ti alloys, Acta Materialia, 2023, 231: 117900.

[21] S.J. Wang, Guisen Liu, D.Y. Xie, Q. Lei, B.P. Ramakrishnan, J. Mazumder, J. Wang*, A. Misra*, Plasticity of laser-processed nanoscale Al-Al2Cu eutectic alloy, Acta Materialia, 2018, 156: 52-63.

[22] M. Gong, Guisen Liu, J. Wang*, L. Capolungo, C.N. Tomé, Atomistic simulations of interaction between basal <a> dislocations and three-dimensional twins in magnesium, Acta Materialia, 2018, 155: 187-198.

[23]  K.M. Yang, Guisen Liu, H.Y. Ma, J. Song, Q. Li, N.Q. Chen, Y.Q. Wang, D. Chen, Y. Liu, T.X. Fan, Formation of misfit dislocation arrays and helium nanochannels near copper surface assisted by high-temperature graphene deposition, Acta Materialia, 2022, 237: 118134.

[24] S. Xu, P. Zhou, Guisen Liu, D. Xiao, M. Gong, J. Wang*. Shock-induced two types of {10-12} sequential twinning in Titanium, Acta Materialia, 2019, 165: 547-560.

[25] K.M. Yang, Q. Li, Q. Zhang, Guisen Liu, J.J. Wang, Y.F. Yang, C.X. Guo, J.M. Ni, J. Song, J. Zhang, Y. Liu*, T.X. Fan*, Synergistically enhanced interface stability by graphene assisted copper surface reconstruction. Acta Materialia, 2022, 226: 117638.

[26] Y. Liu*, J. Song, Guisen Liu, J. Chen, C. Wang, H. Wang, J. Wang*, X. Zhang*, High Strength and Low Coercivity of Cobalt with Three-Dimensional Nanoscale Stacking Faults, Nano Letters, 2021, 21: 6480-6486.

[27] S. Xu, D. Xie, Guisen Liu, K. Ming, J. Wang*, Quantifying the resistance to dislocation glide in single phase FeCrAl alloy. International Journal of Plasticity, 2020, 132: 102770.

Research Projects

National Natural Science Foundation of China (No. 51801122)

National Key Research and Development Program of China (2022YFB3707601)