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On strain hardening mechanism in gradient nanostructures 期刊论文
INTERNATIONAL JOURNAL OF PLASTICITY, 2017, 卷号: 88, 页码: 89-107
Authors:  Li JJ;  Weng GJ;  Chen SH(陈少华);  Wu XL(武晓雷);  Li, JJ (reprint author), Northwestern Polytech Univ, Sch Mech Civil Engn & Architecture, Dept Engn Mech, Xian 710129, Shaanxi, Peoples R China.
View  |  Adobe PDF(2968Kb)  |  Favorite  |  View/Download：488/161  |  Submit date：2017/02/24
Ductility  Dislocations  Constitutive Behavior  Inhomogeneous Material  Analytic Functions  
A physical model revealing strong strain hardening in nano-grained metals induced by grain size gradient structure 期刊论文
Materials Science & Engineering A, 2015, 卷号: 620, 页码: 16-21
Authors:  Li JJ(李建军);  Chen SH(陈少华);  Wu XL(武晓雷);  Su AJ(苏爱嘉);  Li, JJ (reprint author), Northwestern Polytech Univ, Sch Mech Civil Engn & Architecture, Dept Engn Mech, Xian 710129, Shanxi, Peoples R China.
View  |  Adobe PDF(883Kb)  |  Favorite  |  View/Download：1088/290  |  Submit date：2014/12/16
Grain Size Gradient Structure  Extra Strain Hardening  Ductility  Geometrically Necessary Dislocations  Nano-grained Metal  
A coupling crack blunting mechanism in nanocrystalline materials by nano-grain rotation and shear-coupled migration of grain boundaries 期刊论文
Materials Letters, 2014, 卷号: 137, 页码: 218-220
Authors:  Li JJ(李建军);  Su AJ(苏爱嘉);  Chen SH(陈少华);  Li, JJ (reprint author), Northwestern Polytech Univ, Sch Mech Civil Engn & Architecture, Dept Engn Mech, Xian 710129, Shanxi, Peoples R China.
View  |  Adobe PDF(798Kb)  |  Favorite  |  View/Download：405/111  |  Submit date：2015/01/04
Nanocrystalline Materials  Simulation And Modelling  Nano-grain Rotation  Shear-coupled Migration Of Grain Boundaries  Cracks  Dislocation Emission  
Strong crack blunting by shear-coupled migration of grain boundaries in nanocrystalline materials 期刊论文
Scripta Materialia, 2014, 卷号: 84-85, 页码: 51-54
Authors:  Li JJ(李建军);  Chen SH(陈少华);  Wu XL(武晓雷);  Soh AK;  Li, JJ (reprint author), Northwestern Polytech Univ, Sch Mech Civil Engn & Architecture, Dept Engn Mech, Xian, Shanxi, Peoples R China.
View  |  Adobe PDF(723Kb)  |  Favorite  |  View/Download：782/205  |  Submit date：2014/09/02
Nanocrystalline Materials  Shear-coupled Migration Of Grain Boundaries  Cracks  Dislocation Emission  Toughening Mechanism  
Cooperative toughening mechanism of nanocrystalline materials by grain rotation and shear-coupled migration of grain boundaries 期刊论文
MATERIALS LETTERS, 2014, 卷号: 121, 页码: 174-176
Authors:  Li JJ(李建军);  Chen SH(陈少华);  Li, JJ (reprint author), Northwestern Polytech Univ, Sch Mech Civil Engn & Architecture, Dept Engn Mech, Xian 710072, Shanxi, Peoples R China.
View  |  Adobe PDF(638Kb)  |  Favorite  |  View/Download：568/204  |  Submit date：2014/06/05
Nanocrystalline Materials  Simulation And Modeling  Toughening Mechanism  Grain Rotation  Shear-coupled Migration Of Grain Boundaries  Stress Intensity Factor