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Size effect and boundary type on the strengthening of nanoscale domains in pure nickel 期刊论文
Materials Science and Engineering A, 2015, 卷号: 648, 页码: 243-251
Authors:  Yuan FP(袁福平);  Wu XL(武晓雷);  Yuan, FP (reprint author), Chinese Acad Sci, Inst Mech, State Key Lab Nonlinear Mech, 15 North 4th Ring,West Rd, Beijing 100190, Peoples R China.
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Dislocation  Orowan's Strengthening  Molecular Dynamics  Pinning Strength  Nano-domains  
DFT study of the effects of interstitial impurities on the resistance of Cr-doped gamma-Fe(111) surface dissolution corrosion 期刊论文
JOURNAL OF MOLECULAR MODELING, 2015, 卷号: 21, 期号: 8, 页码: 206
Authors:  Han C;  Zhang CL;  Liu XL;  Zhuang SY;  Huang H;  Han PD;  Wu XL(武晓雷);  Zhang, CL (reprint author), Taiyuan Univ Technol, Coll Mat Sci & Engn, 79 West Yingze St, Taiyuan 030024, Peoples R China.
View  |  Adobe PDF(1335Kb)  |  Favorite  |  View/Download:334/124  |  Submit date:2015/09/22
Cr Segregation  Interstitial Impurities  Dissolution Corrosion  Electrode Potential  Dft  
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:1075/284  |  Submit date:2014/12/16
Grain Size Gradient Structure  Extra Strain Hardening  Ductility  Geometrically Necessary Dislocations  Nano-grained Metal  
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:772/203  |  Submit date:2014/09/02
Nanocrystalline Materials  Shear-coupled Migration Of Grain Boundaries  Cracks  Dislocation Emission  Toughening Mechanism  
Microstructure and mechanical properties at different length scales and strain rates of nanocrystalline tantalum produced by high-pressure torsion 期刊论文
Acta Materialia, 2011, 卷号: 59, 期号: 6, 页码: 2423-2436
Authors:  Wei Q;  Pan ZL;  Wu XL(武晓雷);  Schuster BE;  Kecskes LJ;  Valiev RZ;  Wei, Q (reprint author), Univ N Carolina, Dept Mech Engn & Engn Sci, 9201 Univ City Blvd, Charlotte, NC 28223 USA
Adobe PDF(2092Kb)  |  Favorite  |  View/Download:922/349  |  Submit date:2012/04/01
Nanocrystalline  Tantalum  Microstructure  Mechanical Properties  Adiabatic Shear Band  Centered-cubic Metals  Severe Plastic-deformation  Nonequilibrium Grain-boundaries  Hall-petch Behavior  Tensile Behavior  Rate Sensitivity  Ultrafine Grain  Shear Bands  Uniaxial Compression  Screw Dislocations