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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
作者:  Liu RG(刘人广);  Tang J(唐婧);  Jiang,Jiaxi;  Li,Xiaoyan;  Wei YJ(魏宇杰)
Adobe PDF(2895Kb)  |  收藏  |  浏览/下载:192/33  |  提交时间:2022/11/08
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
作者:  Li N(李娜);  Li ZY(李正阳);  Wei YJ(魏宇杰)
Adobe PDF(6117Kb)  |  收藏  |  浏览/下载:226/30  |  提交时间: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
作者:  Peng SY(彭神佑);  Wei YJ(魏宇杰);  Gao HJ(高华健)
Adobe PDF(1345Kb)  |  收藏  |  浏览/下载:414/73  |  提交时间:2020/05/18
nanoscale precipitate  dislocation sources  ductility  strength  multiple-element alloy  
Supersonic Screw Dislocations Gliding at the Shear Wave Speed 期刊论文
PHYSICAL REVIEW LETTERS, 2019, 卷号: 122, 期号: 4, 页码: 045501
作者:  Peng SY(彭神佑);  Wei YJ(魏宇杰);  Jin ZH;  Yang W(杨卫)
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Unconventional Deformation Behaviours of Nanoscaled High-Entropy Alloys 期刊论文
ENTROPY, 2018, 卷号: 20, 期号: 10, 页码: Ar-778
作者:  Bu YQ;  Peng SY(彭神佑);  Wu SW;  Wei YJ(魏宇杰);  Wang G;  Liu JB;  Wang HT(王洪涛)
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nanoscaled high-entropy alloys  nanodisturbances  phase transformations  atomic-scale unstable  
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
作者:  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)
浏览  |  Adobe PDF(3142Kb)  |  收藏  |  浏览/下载:434/127  |  提交时间:2018/10/30
Cryogenic  Toughening  Strengthening  Gradient  Synchrotron high-energy X-ray diffraction  
The stress-velocity relationship of twinning partial dislocations and the phonon-based physical interpretation 期刊论文
SCIENCE CHINA-PHYSICS MECHANICS & ASTRONOMY, 2017, 卷号: 60, 期号: 11
作者:  Wei YJ(魏宇杰);  Peng SY(彭神佑);  Wei, YJ (reprint author), Chinese Acad Sci, Inst Mechan, State Key Lab Nonlinear Mech LNM, Beijing 100190, Peoples R China.;  Wei, YJ (reprint author), Univ Chinese Acad Sci, Sch Engn Sci, Beijing 100049, Peoples R China.
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Dislocation Mobility  Transverse And Longitudinal Phonons  Subsonic And Supersonic Velocity  Stress-velocity Relationship  Molecular Dynamics  
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
作者:  Liu SY(刘尚宇);  Wei YJ(魏宇杰)
浏览  |  Adobe PDF(1167Kb)  |  收藏  |  浏览/下载:357/143  |  提交时间: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
作者:  Wang P;  Xu SF;  Liu JB;  Li XY;  Wei YJ(魏宇杰);  Wang HT;  Gao HJ;  Yang W;  Wang, HT
浏览  |  Adobe PDF(4481Kb)  |  收藏  |  浏览/下载:1049/277  |  提交时间:2017/02/24
Molecular Dynamics Simulation  Deformation Twinning  Stacking Faults  Dislocations  
Evading the strength- ductility trade-off dilemma in steel through gradient hierarchical nanotwins 期刊论文
NATURE COMMUNICATIONS, 2014, 卷号: 5, 页码: 3580
作者:  Wei YJ(魏宇杰);  Li YQ(李永强);  Zhu LC(祝连春);  Liu Y(刘垚);  Lei XQ(雷现奇);  Wang G;  Wu YX;  Mi ZL;  Liu JB;  Wang HT;  Gao HJ;  Wei, YJ (reprint author), Chinese Acad Sci, Inst Mech, LNM, Beijing 100190, Peoples R China.
浏览  |  Adobe PDF(3096Kb)  |  收藏  |  浏览/下载:2100/455  |  提交时间:2014/06/05