郭航 特任副研

                                         

研究方向:

高分子材料加工服役过程中形变的物理机理;X射线散射表征


教育经历

2012-2015      西北工业大学飞行器设计与工程学士

2015-2017      法国里昂大学INSA-Lyon 机械工程硕士

2017-2021      法国里昂大学INSA-Lyon MATEIS实验室高分子物理,博士    导师:Olivier LAME 教授


工作经历

2021.3-至今     中国科学技术大学国家同步辐射实验室博士后     合作导师:李良彬研究员


主要科研工作:

基于同步辐射小角,宽角X射线散射、正电子湮没寿命谱等表征手段研究半晶高分子的单向拉伸形变机理,半晶高分子在低周循环载荷下的结构演化与损伤。


联系方式

地址:安徽省合肥市蜀山区合作化南路42号国家同步辐射实验室    230029

Emailhguo1@ustc.edu.cn


近期代表性论文:

[1] S. Ali, O. Iqbal, S. Ding, N. Li, H. Guo*, Interaction between the phase separation and flow-induced crystallization process in polyethylene/ethylene-methacrylic acid ionomers (surlyn) blends during the film blowing: An in-situ synchrotron radiation X-ray scattering study, Polymer, 248 (2022) 124819.


[2]  S. Feng, J. Zhu, W. Yu, H. Guo*, W. Chen*, A. Lu, L. Li, Strain-Rate-Dependent Phase Transition Mechanism in Polybutene-1 during Uniaxial Stretching: From Quasi-Static to Dynamic Loading Conditions, Macromolecules, 55 (2022) 2333-2344.


[3]  Q. Yan, T. Xu, W. Zhang, C. Lv, H. Guo*, F. Tian, W. Chen, L. Li*, Abnormal brittle-ductile transition for glassy polymers after free and constrained melt stretching: The role of molecular alignment, Polymer, 233 (2021) 124199.

[4] H. Guo, R.G. Rinaldi, M. Broudin, S. Tayakout, O. Lame*, Anisotropic deformation and failure behaviors of the necked HDPE materials induced by oligo-cyclic loading, Polymer, 234 (2021) 124232.


[5] H. Guo, R.G. Rinaldi, S. Tayakout, M. Broudin, O. Lame*, Characterization of the spherulitic deformation in equatorial region and cavitation in HDPE materials submitted to mixed-mode oligo-cyclic tensile loading, Polym Test, 99 (2021) 107208.


[6] H. Guo, R.G. Rinaldi, S. Tayakout, M. Broudin, O. Lame*, The correlation between the mixed-mode oligo-cyclic loading induced mechanical and microstructure changes in HDPE, Polymer, 224 (2021) 123706.


[7] D. Huang, Y. Dong, H. Guo, E. Yang, Y. Chen, M. Luo, Z. Pan, J. Liu, L. Li, H. Zhang*, B. Ye*, Minute-Scale Evolution of Free-Volume Holes in Polyethylenes during Continuous Stretching Process Observed by in-Situ Positron Annihilation Lifetime Experiments, Macromolecules, (2023),https://doi.org/10.1021/acs.macromol.3c00486.


[8] C. Lv, H. Guo, S. Feng, Q. Yan, C. Xu, W. Yu, L. Li, K. Cui*, Deformation Mechanism of Amorphous Plasticized Poly(vinyl butyral), Macromolecules, 56 (2023) 2663-2674.


[9] O. Iqbal, H. Guo, W. Chen*, Structural Origin of Double Yielding: The Critical Role of Crystallite Aggregate Heterogeneity, Macromolecules, 54 (2021) 8381-8392.