【人物简介】

王云志教授是固态相变中微观组织演变相场理论计算与模拟方法这一重要领域的开拓者之一。是计算材料学基础和应用研究方面的国际知名学者，相场里论及其应用的国际著名专家。现任西安交大材料学院“腾飞人才计划”特聘教授和前沿科学与技术研究院材料组织演变计算研究中心主任，美国俄亥俄州立大学材料系教授。

【研究方向】

固态相变领域

【研究成果】

通过结合微观弹性理论与相场动力学方法，为研究固态相变中的微观结构演变提供了新的方法 ;创建了马氏体相变相场理论及数值模拟模型 ;成功地解释了困惑材料研究者几十年奇异微结构形态及演变过程 (相关和集体形核，局部反常熟化、沉淀相漂移和颗粒分裂等 );创建互扩散偶相场模拟模型 ;创建形核及增长机制相场模拟模型 ;创立材料缺陷和塑性变形相场能量学和动力学理论与计算机模拟方法; 在晶粒生长的相场模型中首次引入晶界各向异性，研究了界面能和迁移率的各向异性和初始择优组元的空间分布对晶粒生长动力学和织构形成的影响 ;把理论模拟研究和实验研究相结合，发展了一系列以微观机制为基础的模拟工具指导实验，降低了新材料和新工艺的开发成本 。 王云志教授在国际著名期刊上发表论文80多篇，被SCI引用共1785次，单篇平均引用率为21.5次，单篇最高引用161次，3篇被引用超过100 次，H因子为25。自2001年以来，作大会报告，Keynote 报告, 及特邀报告近50次，次各大学的Colloquium Speaker 28次。主持重大科研项目12项，参与18项。其中包括美国国家科学基金(NSF)，美国能源部(DOE)，国家航空航天部(NASA)，空军科学研究部 (AFOSR)，海军科学研究部(ONR)，和诺尔原子能发电实验室(KAPL)等基础研究和应用研究。

【科研项目】

【论文著作】

Y. Wang and J. Li, “Acta Materialia Overview 150: Phase Field Modeling of Defects and Deformation,” Acta Mater. 58 (2010) 1212-1235. 　　N. Zhou, C. Shen, M.J. Mills and Y. Wang, “Large-Scale Three-Dimensional Phase Field Simulation of γ′-Rafting and Creep Deformation,” Phil. Mag. 90:405-436 (2010). 　　L. Kovarik, R.R. Unocic, J. Li, P. Sarosi, C. Shen, Y. Wang and M.J. Mills, “Microtwinning and Other Shearing Mechanisms at Intermediate Temperatures in Ni-Base Superalloys,” Prog. Mat. Sci. 54 (2009) 839-873. 　　C. Shen, J. Li and Y. Wang, “Finding Critical Nucleus in Solid State Phase Transformations,” Met. Mat. Trans. A. 39A (2008) 976-983 (Editor’s choice, available free online). 　　C. Shen, J. P. Simmons and Y. Wang, “Effect of Elastic Interaction on Nucleation – II. Simulation Study using Phase Field Method,” Acta Mater. 55 (2007) 1457-1466. 　　N. Zhou, C. Shen, M.J. Mills and Y. Wang, “Phase Field Modeling of Channel Dislocation Activity and γ’ Rafting in Single Crystal Ni-Al,” Acta Mater. 55 (2007) 5369-5381. 　　Y.H. Wen, B. Wang, J.P. Simmons and Y. Wang, “A Phase-Field Model for Heat Treatment Applications in Ni-base Alloys, Acta Mater. 54 (2006) 2087-2099. 　　C. Shen, J. P. Simmons and Y. Wang, “Effect of Elastic Interaction on Nucleation – I. Calculation of Strain Energy of Nucleus Formation in Elastically Anisotropic Crystal of Arbitrary Microstructure,” Acta Mater. 54 (2006) 5617-5630. 　　Q. Chen, N. Ma, K. Wu and Y. Wang, “Quantitative Phase Field Modeling of Diffusion-Controlled Precipitate Growth and Dissolution in Ti-6Al-4V,” Scripta mater. 50:471-476 (2004). 　　C. Shen and Y. Wang, “Incorporation of γ-Surface to Phase Field Model of Dislocations: Simulating Dissociation of Dislocations in f.c.c. Crystals,” Acta Mater. 52:683-691 (2004). 　　N. Ma, A. Kazaryan, S. A. Dregia and Y. Wang, “Computer Simulation of Texture Development during Grain Growth: Effect of Boundary Properties and Initial Microstructure,” Acta mater. 52:3869-3879 (2004). 　　C. Shen and Y. Wang, “Phase Field Model of Dislocation Networks,” Acta mater. 51, 2595 – 2610 (2003). 　　N. Ma, S. A. Dregia and Y. Wang, “Segregation Transition and Drag Force at Grain Boundaries,” Acta mater. 51, 3687-3700 (2003). 　　A. Kazaryan, Y. Wang, S. A. Dregia and B. R. Patton, “Grain Growth in Anisotropic Systems: Comparison of Effect of Energy and Mobility,” Acta mater. 50, 2491-2502 (2002). 　　K. Wu, J. E. Marrol and Y. Wang, “A Phase Field Study of Microstructural Changes due to the Kirkendall Effect in Two-Phase Diffusion Couples,” Acta mater. 49, 3401 – 3408 (2001). 　　J. P. Simmons, C. Chen and Y. Wang, “Phase Field Modeling of Simultaneous Nucleation and Growth by Explicitly Incorporating Nucleation Events,” Scripta mater. 43, 935-942 (2000). 　　Y. H. Wen, Y. Wang and L. Q. Chen, “Effect of Elastic Interaction on the Formation of Complex Multi-Domain Microstructural Pattern during a Coherent Hexagonal to Orthorhombic Transformation,”, Acta mater. 47, 4375 (1999). 　　Y. Wang, D. Banerjee, C. C. Su and A. G. Khachaturyan, “Field Kinetic Model and Computer Simulation of Precipitation of L12 ordered Intermetallic from FCC Solid Solution”, Acta Mater, 46,2983-3001 (1998). 　　Y. Wang and A. G. Khachaturyan, "Three-Dimensional Field Model and Computer Modeling of Martensitic Transformation", Acta Metall. et Mater , 45, 759-773 (1997). 　　Y. Wang, L. Q. Chen and A. G. Khachaturyan, "Kinetics of Strain-Induced Morphological Transformation in Cubic Alloys with a Miscibility Gap", Acta Metall. et Mater., 41, 279 (1993).