姓名：梁林云

职称：教授

办公电话：010-61716900    

Email： lyliang@buaa.edu.cn

办公地点：沙河校区C座903

研究方向：

[1] 多尺度模拟方法之间的耦合；

[2] 应用机器学习方法预测材料性能；

[3] 开发介观尺度非平衡态理论模型和相关计算模拟程序；

个人简介：

先进核能的开发和应用有望解决人类面临的能源紧缺和安全问题。材料问题是先进核能实现和应用的关键问题。核材料在辐照条件下（高能粒子轰击和高温环境等）发生复杂的微观结构变化，严重影响了其宏观力热性能和服役寿命。本课题组针对如何提高辐照条件下核材料力热性能这一关键问题展开研究，主要采用介观尺度理论模型和计算方法预测材料在辐照条件下的缺陷微结构及其演化行为，阐明辐照引入缺陷和微结构演化以及它们相互作用的微观物理机制，并建立起其与宏观力热性能之间的联系，指导实验通过控制辐照条件和制备工艺，达到调控材料微结构实现材料宏观力学性能可控的目的，进而研发新型核能材料或改善现有材料。

主讲课程：

本科生：《电动力学》

研究生：《计算物理》

教育背景：  

2007/09-2011/12，北京航空航天大学，物理系，博士

工作经历：

2011/12-2013/08，宾夕法尼亚州立大学，博士后

2013/08-2018/05，美国阿贡国家实验室，博士后

奖励与荣誉:

2018，国家级青年人才

学术兼职：

担任中国材料研究学会计算材料学分会委员

中国核学会计算物理分会理事

中国核学会计算锕系物理与化学分会理事

物理学报/Chinese Physics Letters/B 青年编委

原子能科学技术 青年编委

《Material Research Letters》青年编委

《Tungsten》杂志青年编委。

承担项目：

1. 自然基金面上项目2项

2. 重点研发计划子课题1项

3. 横向课题2项

代表性学术成果:

    1. 机器学习预测辐照微结构及其性能。代表性文章：

[1]  Ruihao Liao, Ke Xu, Yifan Liu, Zibo Gao, Shuo Jin, Linyun Liang*, Guang-Hong Lu, Fast prediction of irradiation-induced cascade defects using denoising diffusion probabilistic model, Nuclear Materials and Energy, 2024, 41: 101805

      2. 聚变堆面对等离子体材料钨辐照微结构演化及宏观力热性能预测。代表性文章：

[1] Bowen Xue, Bingchen Li, Shuo Jin, Linyun Liang*, Hong-Bo Zhou, Guang-Hong Lu, Effects of the diffusion path on the effective diffusion coefficient of hydrogen isotope in tungsten with helium bubbles, Journal of Nuclear Materials, 2024, 599: 155184

[2] Xinyue Fan, Shuo Jin, Jiannan Hao, Lu Sun, Xiao-Chun Li, Linyun Liang*, Guang-Hong Lu, Capture efficiencies of point defects by 1/2 〈111〉 edge dislocations in tungsten using atomistic simulations,  Journal of Nuclear Materials, 2024, 597: 155112

[3]Bowen Xue, Bingchen Li, Shuo Jin, Linyun Liang*, Three-dimensional phase-field modeling of dislocation loop growth behaviors in irradiated materials: Applications in tungsten, NIM B: 2024, 555: 165493

[4] Jun Shi, Bingchen Li, Lei Li, Yifan Liu, Xinyue Fan, Qing Peng, Linyun Liang*, Shuo Jin, Guang-Hong Lu, Atomistic insights into the influence of hydrogen on crack propagation in tungsten, Fusion Engineering and Design, 2023, 197: 114030

[5] Bingchen Li, Jiaguan Peng, Bowen Xue, Shuo Jin, Linyun Liang*, Guang-Hong Lu, Phase-field simulations of the recrystallization and the mechanical property response in deformed tungsten, Nuclear Materials and Energy, 2023, 36: 101488

[6] Bingchen Li, Shuo Jin, Bowen Xue, Linyun Liang*, Guang-Hong Lu, Phase-field microstructure-based effective thermal conductivity calculations in tungsten, Nuclear Fusion, 2022, 62: 076041

[7] Bingchen Li, Bowen Xue, Jiannan Hao, Shuo Jin, Hong-Bo Zhou, Linyun Liang*, and Guang-Hong Lu*, The Effective Diffusion Coefficient of Hydrogen in Tungsten: Effects of Microstructures From Phase-Field Simulations, Front. Mater. - Computational Materials Science, 2022,

[8]  Bowen Xue, Bingchen Lia, Shuo Jin, Hong-Bo Zhou, Linyun Liang*, Guang-Hong Lu, Phase-field modeling of the clustering of transmutation element rhenium in irradiated tungsten, Journal of Nuclear Materials, 2022, 566: 153810

[9] Chao Meng, Lifang Wang, Ke Xu, Jiannan Hao, Hong-bo Zhou, Xiaolin Shu, Shuo Jin, Linyun Liang*, Guang-Hong Lu*, CS Becquart, Object Kinetic Monte Carlo simulation of hydrogen clustering behavior with vacancies in tungsten, Journal of Nuclear Materials, 2019, 526: 151768

      3. 建立了适用于非平衡态体系的相场理论模型，应用此模型模拟了电化学体系中微结构的非平衡演化过程，得到了与经典电化学中非线性动力学理论一致的结果。代表性文章：

[1] Linyun Liang, Yue Qi, Fei Xue, Saswata Bhattacharya, Stephen J. Harris, Long-Qing Chen, Nonlinear phase-field model for electrode-electrolyte interface evolution, Physics Review E, 2012, 86: 051609 

[2] Linyun Liang, Long-Qing Chen, Nonlinear Phase field model for electrodeposition in electrochemical systems, Applied Physics Letters, 2014, 105: 263903

[3] H. W. Zhang, Z. Liu, Linyun Liang*, L. Chen, Y. Qi, S. J. Harris, P. Lu, and L. Q. Chen, Understanding and predicting the lithium dendrite formation in Li-ion batteries: Phase field model, ECS Transactions, 2014, 61: 1-9

[4] Linyun Liang, Marius Stan, Mihai Anitescu, Phase-field modeling of Li diffusion-induced crack propagation in electrodes, Applied Physics Letters, 2014, 105: 163903

    4. 开发了辐照下再结晶与气泡相互作用的相场模型，代表性文章：

[1] Linyun Liang*, Yeon Soo Kim, Bei Ye, Gerard Hofman, Mihai Anitescu, Abdellatif Yacout, Mesoscale model for fission-induced recrystallization in U-7Mo alloy, Computational Materials Science, 2016, 124: 228-237 

[2] Linyun Liang*, Zhi-Gang Mei, and Abdellatif M. Yacout, Fission-induced recrystallization effect on intergranular bubble-driven swelling in U-Mo fuel, Computational Materials Science, 2017, 138: 16-26

[3] Linyun Liang*, Zhi-Gang Mei, Yeon Soo Kim, Mihai Anitescu, and Abdellatif M. Yacout, Three-dimensional phase-field simulations of intragranular gas bubble evolutions in irradiated U-Mo fuel, Computational Materials Science, 2018, 145, 86

[4] Linyun Liang*, Yeon Soo Kim, Zhi-Gang Mei, Larry K Aagesen, Abdellatif M Yacout, Fission gas bubbles and recrystallization-induced degradation of the effective thermal conductivity in U-7Mo fuels, Journal of Nuclear Materials, 2018, 473: 300

    5. 开发了描述铌酸钾铁电性能的自由能函数，代表性文章：

[1] Linyun Liang, Y. L. Li, Long-Qing Chen, S. Y. Hu, and Guang-Hong Lu, A thermodynamic free energy function for potassium niobate, Applied Physics Letters, 2009, 94: 072904

[2] Linyun Liang, Y. L. Li, Long-Qing Chen, S. Y. Hu, and Guang-Hong Lu, Thermodynamics and ferroelectric properties of KNbO₃, Journal of Applied Physics, 2009, 106: 104118 

[3] Linyun Liang, Y. L. Li, Long-Qing Chen, S. Y. Hu, and Guang-Hong Lu, Piezoelectric anisotropy of KNbO₃ single crystals, Journal of Applied Physics, 2010, 108: 094111

[4] Linyun Liang,  Y. L. Li, Fei Xue, Long-Qing Chen, Pressure and electric field effect on piezoelectric responses of KNbO₃, Journal of Applied Physics, 2012, 112: 064106