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Overall mechanical behavior of nanocrystalline materials accompanied by damage evolution on grain boundaries 期刊论文
INTERNATIONAL JOURNAL OF DAMAGE MECHANICS, 2014, 卷号: 23, 期号: 1, 页码: 25-42
Authors:  Chen L(陈力);  Wei YG(魏悦广);  Chen, L (reprint author), Chinese Acad Sci, Inst Mech, State Key Lab Nonlinear Mech, Beijing 100190, Peoples R China.
Adobe PDF(755Kb)  |  Favorite  |  View/Download：773/249  |  Submit date：2014/02/13
Grain Boundary  Damage Evolution  Fracture  Nanocrystalline Metals  Mixed-mode Cohesive Model  Finite Element Method  
Hydrostatic pressure effects on deformation mechanisms of nanocrystalline fcc metals 期刊论文
COMPUTATIONAL MATERIALS SCIENCE, 2014, 卷号: 85, 期号: 1, 页码: 8-15
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, Beijing 100190, Peoples R China
View  |  Adobe PDF(6206Kb)  |  Favorite  |  View/Download：637/200  |  Submit date：2014/04/18
Molecular Dynamics  Nanocrystalline Metals  Hydrostatic Pressure  
Formation sequences and roles of multiple deformation twins during the plastic deformation in nanocrystalline fcc metals 期刊论文
MATERIALS SCIENCE AND ENGINEERING A-STRUCTURAL MATERIALS PROPERTIES MICROSTRUCTURE AND PROCESSING, 2013, 卷号: 580, 页码: 58-65
Authors:  Yuan FP(袁福平);  Wu XL(武晓雷);  Yuan, FP (reprint author), Chinese Acad Sci, State Key Lab Nonlinear Mech, Inst Mech, 15,North 4th Ring,West Rd, Beijing 100190, Peoples R China.
Adobe PDF(1015Kb)  |  Favorite  |  View/Download：924/294  |  Submit date：2013/09/09
Nanocrystalline Metals  Multiple Twins  Molecular Dynamics Simulation  Plastic Deformation  
Annealing effect on the evolution of adiabatic shear band under dynamic shear loading in ultra-fine-grained iron 期刊论文
INTERNATIONAL JOURNAL OF IMPACT ENGINEERING, 2012, 卷号: 50, 页码: 1-8
Authors:  Yuan FP(袁福平);  Jiang P(姜萍);  Wu XL(武晓雷);  Yuan, FP;  Chinese Acad Sci, Inst Mech, State Key Lab Nonlinear Mech, Beijing 100190, Peoples R China.
Adobe PDF(1900Kb)  |  Favorite  |  View/Download：1348/466  |  Submit date：2013/01/18
Adiabatic Shear Band  Hat-shaped Specimen  Ultra-fine-grained  Equal-channel Angular Pressing  Dynamic Shear Loading  Severe Plastic-deformation  Mechanical-properties  Strain-rate  Nanocrystalline  Behavior  Ductility  Metals  Steel  Microstructure  Homogeneity  
Shock response of nanotwinned copper from large-scale molecular dynamics simulations 期刊论文
PHYSICAL REVIEW B, 2012, 卷号: 86, 期号: 13, 页码: 134108
Authors:  Yuan FP(袁福平);  Wu XL(武晓雷);  Yuan, FP;  Chinese Acad Sci, State Key Lab Nonlinear Mech, Inst Mech, Beijing 100190, Peoples R China.
Adobe PDF(5225Kb)  |  Favorite  |  View/Download：911/325  |  Submit date：2013/01/18
Nanocrystalline Materials  Ultrahigh Strength  Maximum Strength  Fcc Metals  Deformation  Twin  Compression  Ductility  Crystals  Single  
Study on nanocrystalline dual phase Ni-Co alloy with high strength and excellent ductility 期刊论文
Materials Science and Technology, 2011, 卷号: 27, 期号: 1, 页码: 320-324
Authors:  Xu WC;  Dai PQ;  Wu XL(武晓雷);  Tang D;  Dai, PQ (reprint author), Fuzhou Univ, Coll Mat Sci & Engn, Fuzhou 350108, Peoples R China
Adobe PDF(789Kb)  |  Favorite  |  View/Download：713/211  |  Submit date：2012/04/01
Nanocrystalline  Ni-co  Mechanical Property  Tensile Ductility  Grain Growth  Dual Phase Structure  Tensile Plastic-deformation  Grain-boundary  Temperature  Nickel  Microstructure  Growth  Metals  Copper  Cobalt  Creep  
Deformation twinning in a nanocrystalline hcp Mg alloy 期刊论文
Scripta Materialia, 2011, 卷号: 64, 期号: 3, 页码: 213-216
Authors:  Wu XL(武晓雷);  Youssef KM;  Koch CC;  Mathaudhu SN;  Kecskes LJ;  Zhu YT;  Zhu, YT (reprint author), N Carolina State Univ, Dept Mat Sci & Engn, Box 7907, Raleigh, NC 27695 USA
Adobe PDF(707Kb)  |  Favorite  |  View/Download：1043/317  |  Submit date：2012/04/01
Twinning  Nanocrystalline  Hcp  Mg  Alloying  Stacking-fault Energy  Molecular-dynamics Simulation  High Ductility  Metals  Twins  Magnesium  Mechanism  Strength  Aluminum  Copper  
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：1695/591  |  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  
The kinetics and energetics of dislocation mediated de-twinning in nano-twinned face-centered cubic metals 期刊论文
Materials Science and Engineering A-Structural Materials Properties Microstructure and Processing, 2011, 卷号: 528, 期号: 3, 页码: 1558-1566
Authors:  Wei YJ(魏宇杰);  Wei, YJ (reprint author), Chinese Acad Sci, State Key Lab Nonlinear Mech, Inst Mech, Bei Si Huan Xi Rd 15, Beijing 100190, Peoples R China
Adobe PDF(1356Kb)  |  Favorite  |  View/Download：1083/317  |  Submit date：2012/04/01
De-twinning  Twinning  Nano-twinned Polycrystalline  Strength Softening  Strain-rate Sensitivity  Molecular-dynamics Simulation  Nanocrystalline Fcc Metals  Embedded-atom-method  Nanoscale Twins  Mechanical-behavior  Nanotwinned Copper  Deformation Mechanisms  Nanostructured Metals  Plastic-deformation  
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：921/348  |  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