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Stacking fault induced hardening and grain size effect in nanocrystalline CoNiCrFeMn high-entropy alloy 期刊论文
EXTREME MECHANICS LETTERS, 2022, 卷号: 56, 页码: 6
Authors:  Liu RG(刘人广);  Tang J(唐婧);  Jiang,Jiaxi;  Li,Xiaoyan;  Wei YJ(魏宇杰)
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High entropy alloys  Stacking fault energy  Strengthening  Dislocations  Hall-Petch  
The Influence of Metastable Cellular Structure on Deformation Behavior in Laser Additively Manufactured 316L Stainless Steel 期刊论文
NANOMATERIALS, 2021, 卷号: 11, 期号: 11, 页码: 13
Authors:  Li N(李娜);  Li ZY(李正阳);  Wei YJ(魏宇杰)
Adobe PDF(6117Kb)  |  Favorite  |  View/Download:260/35  |  Submit date:2022/01/13
laser additive manufacturing  metastable cellular structures  316L stainless steel  coherent precipitates  stacking fault energy  
Nanoscale precipitates as sustainable dislocation sources for enhanced ductility and high strength 期刊论文
PROCEEDINGS OF THE NATIONAL ACADEMY OF SCIENCES OF THE UNITED STATES OF AMERICA, 2020, 卷号: 117, 期号: 10, 页码: 5204-5209
Authors:  Peng SY(彭神佑);  Wei YJ(魏宇杰);  Gao HJ(高华健)
Adobe PDF(1345Kb)  |  Favorite  |  View/Download:442/76  |  Submit date:2020/05/18
nanoscale precipitate  dislocation sources  ductility  strength  multiple-element alloy  
Fast Growth of Strain-Free AIN on Graphene-Buffered Sapphire 期刊论文
JOURNAL OF THE AMERICAN CHEMICAL SOCIETY, 2018, 卷号: 140, 期号: 38, 页码: 11935-11941
Authors:  Qi Y;  Wang YY;  Pang ZQ(庞振乾);  Dou ZP;  Wei TB;  Gao P;  Zhang SS;  Xu XZ;  Chang ZH;  Deng B;  Chen SL;  Chen ZL;  Ci HN;  Wang RY;  Zhao FZ;  Yan JC;  Yi XY;  Liu KH;  Peng HL;  Liu ZQ;  Tong LM;  Zhang J;  Wei YJ(魏宇杰);  Li JM;  Liu ZF
View  |  Adobe PDF(1289Kb)  |  Favorite  |  View/Download:387/106  |  Submit date:2018/10/30
Cryogenic temperature toughening and strengthening due to gradient phase structure 期刊论文
MATERIALS SCIENCE AND ENGINEERING A-STRUCTURAL MATERIALS PROPERTIES MICROSTRUCTURE AND PROCESSING, 2018, 卷号: 712, 页码: 358-364
Authors:  Ma ZW;  Ren Y;  Li RG;  Wang YD;  Zhou LL;  Wu XL(武晓雷);  Wei YJ(魏宇杰);  Gao HJ(高华健)
View  |  Adobe PDF(3142Kb)  |  Favorite  |  View/Download:472/133  |  Submit date:2018/10/30
Cryogenic  Toughening  Strengthening  Gradient  Synchrotron high-energy X-ray diffraction  
The Gaussian distribution of lattice size and atomic level heterogeneity in high entropy alloys 期刊论文
Extreme Mechanics Letters, 2017, 卷号: 11, 页码: 84-88
Authors:  Liu SY(刘尚宇);  Wei YJ(魏宇杰)
View  |  Adobe PDF(1167Kb)  |  Favorite  |  View/Download:375/155  |  Submit date:2018/01/04
Atomistic simulation for deforming complex alloys with application toward TWIP steel and associated physical insights 期刊论文
JOURNAL OF THE MECHANICS AND PHYSICS OF SOLIDS, 2017, 卷号: 98, 页码: 290-308
Authors:  Wang P;  Xu SF;  Liu JB;  Li XY;  Wei YJ(魏宇杰);  Wang HT;  Gao HJ;  Yang W;  Wang, HT
View  |  Adobe PDF(4481Kb)  |  Favorite  |  View/Download:1084/284  |  Submit date:2017/02/24
Molecular Dynamics Simulation  Deformation Twinning  Stacking Faults  Dislocations  
Anisotropic size effect in strength in coherent nanowires with tilted twins 期刊论文
Physical Review B, 2011, 卷号: 84, 期号: 1, 页码: 14107
Authors:  Wei YJ(魏宇杰);  Wei, YJ (reprint author), Chinese Acad Sci, Inst Mech, State Key Lab Nonlinear Mech, Beijing 100190, Peoples R China
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Single-crystal  Mechanical-properties  Molecular-dynamics  Maximum Strength  Gold Nanowires  Deformation  Metals  Copper  Microcompression  Plasticity  
Continuum modeling of the response of a Mg alloy AZ31 rolled sheet during uniaxial deformation 期刊论文
International Journal of Plasticity, 2011, 卷号: 27, 期号: 11, 页码: 1739-1757
Authors:  Fernandez A;  Perez PMT;  Wei YJ(魏宇杰);  Jerusalem A;  Jerusalem, A (reprint author), IMDEA Mat Inst, Calle Prof Aranguren S-N, Madrid 28040, Spain
Adobe PDF(1924Kb)  |  Favorite  |  View/Download:1355/468  |  Submit date:2012/04/01
Magnesium  Continuum Model  Crystal Plasticity  High-temperature Deformation  Independent Crystal Plasticity  Finite-element-method  Magnesium Alloy  Texture Evolution  Single-crystal  Hcp Metals  Mechanical-behavior  Strain Rates  Grain-size  
Dislocation nucleation governed softening and maximum strength in nano-twinned metals 期刊论文
Nature, 2010, 卷号: 464, 期号: 7290, 页码: 877-880
Authors:  Li XY;  Wei YJ(魏宇杰);  Lu L;  Lu K;  Gao HJ(高华健);  Wei YJ
Adobe PDF(1391Kb)  |  Favorite  |  View/Download:2485/1069  |  Submit date:2011/03/01