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Tensile deformation mechanisms of the hierarchical structure consisting of both twin-free grains and nanotwinned grains 期刊论文
Philosophical Magazine Letters, 2014, 卷号: 94, 期号: 8, 页码: 514-521
Authors:  Yuan FP(袁福平);  Chen P(陈萍);  Wu XL(武晓雷);  Yuan FP(袁福平)
View  |  Adobe PDF(770Kb)  |  Favorite  |  View/Download:868/214  |  Submit date:2014/10/08
Molecular Dynamics Simulations  Dislocation Interactions  Deformation Mechanisms  Nanostructured Materials  
Size effects of primary/secondary twins on the atomistic deformation mechanisms in hierarchically nanotwinned metals 期刊论文
JOURNAL OF APPLIED PHYSICS, 2013, 卷号: 113, 期号: 20, 页码: 203516/1-203516/6
Authors:  Yuan FP(袁福平);  Wu XL(武晓雷);  Yuan, FP(reprint author), Chinese Acad Sci, Inst Mech, LNM, Beijing 100190, Peoples R China.
Adobe PDF(7235Kb)  |  Favorite  |  View/Download:881/246  |  Submit date:2013/06/14
Copper  Dislocations  Grain Size  Hardening  Molecular Dynamics Method  Plastic Flow  Size Effect  Softening  Twin Boundaries  Twinning  Yield Stress  
Deformation twinning in nanocrystalline materials 期刊论文
Progress in Materials Science, 2012, 卷号: 57, 期号: 1, 页码: 1-62
Authors:  Zhu YT;  Liao XZ;  Wu XL(武晓雷)
Adobe PDF(4080Kb)  |  Favorite  |  View/Download:2332/1062  |  Submit date:2012/12/04
Molecular-dynamics Simulation  Stacking-fault Energy  Severe Plastic-deformation  Strain-rate Sensitivity  High-pressure Torsion  Centered-cubic Metals  Hall-petch Relation  Grain-boundary Structure  Nano-scale Twins  Austenitic Stainless-steels  
Dislocation-twin interactions in nanocrystalline fcc metals 期刊论文
Acta Materialia, 2011, 卷号: 59, 期号: 2, 页码: 812-821
Authors:  Zhu YT;  Wu XL(武晓雷);  Liao XZ;  Narayan J;  Kecskes LJ;  Mathaudhu SN;  Zhu, YT (reprint author), N Carolina State Univ, Dept Mat Sci & Engn, Box 7907, Raleigh, NC 27695 USA
Adobe PDF(533Kb)  |  Favorite  |  View/Download:1691/590  |  Submit date:2012/04/01
Nanocrystalline Materials  Dislocations  Twin Boundaries  Interactions  Fcc  Centered-cubic Metals  Molecular-dynamics Simulation  Fivefold Deformation Twins  Strain-rate Sensitivity  Stacking-fault Energy  Formation Mechanism  Nanotwinned Copper  Nanoscale Twins  Grained Copper  Re Alloy  
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:916/347  |  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  
Formation of Single and Multiple Deformation Twins in Nanocrystalline fcc Metals 期刊论文
Acta Materialia, 2009, 卷号: 57, 期号: 13, 页码: 3763-3770
Authors:  Zhu YT;  Narayan J;  Hirth JP;  Mahajan S;  Wu XL(武晓雷);  Liao XZ
Adobe PDF(652Kb)  |  Favorite  |  View/Download:1992/768  |  Submit date:2009/12/24
Nanocrystalline Materials  Dislocations  Twin Boundaries  Twinning  Interfaces  
Growth of deformation twins in room-temperature rolled nanocrystalline nickel 期刊论文
Applied Physics Letter, 2009, 卷号: 94, 期号: 12, 页码: 121907
Authors:  Zhang XY;  Wu XL(武晓雷);  Zhu AW
Adobe PDF(286Kb)  |  Favorite  |  View/Download:870/316  |  Submit date:2009/12/24
Dislocations  Grain Boundaries  Nanostructured Materials  Nanotechnology  Nickel  Transmission Electron Microscopy  Twin Boundaries  Twinning  Molecular-dynamics Simulation  Al  Mechanism  Metals  Slip  Ni