【人物简介】

【研究方向】

微纳米力学，纳米结构金属及其复合材料的变形机理和力学行为，梯度纳米结构材料的变形机理和力学行为，纳米结构多层材料的变形机理和力学行为。

【研究成果】

【科研项目】

1. 国家自然科学基金青年科学基金项目（11402203），一种刻画纳米晶材料中应力诱导晶粒长大的多尺度本构模型，01/2015-12/2017 2. 中央高校基本科研业务费资助项目（3102014JCQ01039），探索纳米晶材料中应力诱导晶粒长大的机理，05/2014-05/2016 3. 西北工业大学海外高层次引进人才科研启动经费，应力诱导的晶粒长大对纳米结构金属材料力学性能的影响研究，09/2013-09/2016

【论文著作】

[2015] 1. Li, J.J.*, Ni Yong, Wu, X.L., Soh, A.K. (2015): Strong crack blunting by hierarchical nano-twins in ultrafine/nano-grained metals.Materials Research Letters, DOI:10.1080/21663831.2015.1048905. 2. Li,J.J.*, Chen, S.H., Wu, X.L., Soh, A.K. (2015): A physical model revealing strong strain hardening in nano-grained metals induced by grain size gradient structure.Materials Science and Engineering: A, 620:16-21. [2014] 1. Li, J.J.*, Soh, A.K., Chen, S.H. (2014): A coupling crack blunting mechanism in nanocrystalline materials by nano-grain rotation and shear-coupled migration of grain boundaries.Materials Letters, 137:218-220. 2. Li, J.J.*, Chen, S. H., Wu, X.L., Soh, A.K. (2014): Strong crack blunting by shear-coupled migration of grain boundaries in nanocrystalline materials.Scripta Materialia, 84-85:51-54. 3. Li, J.J.*, Wu, X.L., Soh, A.K. (2014): On nano-grain rotation by dislocation climb in nanocrystalline materials.Scripta Materialia, 78-79:5-8. 4. Li, J.J.*, Soh, A.K., Wu, X.L. (2014): Enhancing dislocation emission in nanocrystalline materials through shear-coupled migration of grain boundaries.Materials Science and Engineering: A, 601:153-158. 5. Li, J.J.*, Chen, S. H. (2014): Cooperative toughening mechanism of nanocrystalline materials by grain rotation and shear-coupled migration of grain boundaries.Materials Letters, 121: 174-176. [2013] 1. Li,J.J., Soh, A.K.*(2013): Synergy of grain boundary sliding and shear-coupled migration process in nanocrystalline materials.Acta Materialia, 61(14): 5449-5457. 2. Li,J.J., Soh, A.K.*(2013): Toughening of nanocrystalline materials through shear-coupled migration of grain boundaries.Scripta Materialia, 69(4): 283-286. [2012] 1. Li,J.J., Soh, A.K.*(2012): Modeling of the plastic deformation of nanostructured materials with grain size gradient.International Journal of Plasticity, 39: 88-102. 2. Li,J.J., Soh, A.K.*(2012): On shear-coupled migration of grain boundaries in nanocrystalline materials.Applied Physics Letters, 101(24): 241915. 3. Li,J.J., Soh, A.K.*(2012): On elastic-viscoplastic modeling of nanotwinned metals based on coupled intra-twin and twin-boundary-mediated deformation mechanisms.Philosophical Magazine Letters, 92(12): 690-700. 4. Li,J.J., Soh, A.K.*(2012): Enhanced ductility of surface nano-crystallized materials by modulating grain size gradient.Modelling and Simulation in Materials Science and Engineering, 20(8): 085002. [2011] 1. 李建军，陈少华*(2012):钢板残余应力的控冷模拟及其残余应力反演研究，机械强度，33(4): 601-606. [2010] 1. Li,J.J., Chen, S.H.*, Wu, X.L., Soh, A.K., Lu, J.(2010): The main factor influencing the tensile properties of surface nano-crystallized graded materials.Materials Sciences and Engineering: A, 527(26):7040-7044.