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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：416/74  |  提交时间：2020/05/18
nanoscale precipitate  dislocation sources  ductility  strength  multiple-element alloy  
Anisotropic expansion and size-dependent fracture of silicon nanotubes during lithiation 期刊论文
JOURNAL OF MATERIALS CHEMISTRY A, 2019, 卷号: 7, 期号: 25, 页码: 15113-15122
作者:  Wang C;  Wen JC(温济慈);  Luo F;  Quan BG;  Li H;  Wei YJ(魏宇杰);  Gu CZ;  Li JJ
浏览  |  Adobe PDF(1641Kb)  |  收藏  |  浏览/下载：317/139  |  提交时间：2019/09/09
Defects guided wrinkling in graphene on copper substrate 期刊论文
CARBON, 2019, 卷号: 143, 页码: 736-742
作者:  Pang ZQ(庞振乾);  Deng B;  Liu ZF;  Peng HL;  Wei YJ(魏宇杰)
Adobe PDF(6991Kb)  |  收藏  |  浏览/下载：349/124  |  提交时间：2019/04/11
Wrinkling  Graphene  Grain boundary  Stone-wales defects  Binding energy  
A dislocation-based solution for stress introduced by arbitrary volume expansion in cylinders 期刊论文
MATHEMATICS AND MECHANICS OF SOLIDS, 2019, 卷号: 24, 期号: 3, 页码: 598-615
作者:  Wen JC(温济慈);  Wei YJ(魏宇杰)
Adobe PDF(1461Kb)  |  收藏  |  浏览/下载：391/149  |  提交时间：2019/05/29
Volume expansion  shrinkage  infinitesimal dislocation  stress  lithiation  delithiation  nitriding  
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)
浏览  |  Adobe PDF(1289Kb)  |  收藏  |  浏览/下载：329/147  |  提交时间：2018/12/12
nanoscaled high-entropy alloys  nanodisturbances  phase transformations  atomic-scale unstable  
Stress evolution in elastic-plastic electrodes during electrochemical processes: A numerical method and its applications 期刊论文
JOURNAL OF THE MECHANICS AND PHYSICS OF SOLIDS, 2018, 卷号: 116, 页码: 403-415
作者:  Wen JC(温济慈);  Wei YJ(魏宇杰);  Cheng YT(郑仰泽)
浏览  |  Adobe PDF(2242Kb)  |  收藏  |  浏览/下载：551/146  |  提交时间：2018/10/30
Battery mechanics  Electrochemical-mechanical coupling  Interfacial delamination  In situ stress measurement  Finite element method  
Examining the validity of Stoney-equation for in-situ stress measurements in thin film electrodes using a large-deformation finite-element procedure 期刊论文
JOURNAL OF POWER SOURCES, 2018, 卷号: 387, 页码: 126-134
作者:  Wen JC(温济慈);  Wei YJ(魏宇杰);  Cheng YT
浏览  |  Adobe PDF(919Kb)  |  收藏  |  浏览/下载：309/82  |  提交时间：2018/07/17
Thin Film Electrode  In-situ Stress Measurement  Stoney Equation  Diffusion Stress Coupling  Finite-deformation Finite Element  
Geometric design of micron-sized crystalline silicon anodes through in situ observation of deformation and fracture behaviors 期刊论文
JOURNAL OF MATERIALS CHEMISTRY A, 2017, 卷号: 5, 期号: 25, 页码: 12793-12802
作者:  Zhang Xing-yu;  Song WL;  Liu ZL;  Chen HS;  Li T;  Wei YJ(魏宇杰);  Fang DN;  Fang, DN (reprint author), Peking Univ, Coll Engn, State Key Lab Turbulence & Complex Syst, Beijing 100871, Peoples R China.
浏览  |  Adobe PDF(1944Kb)  |  收藏  |  浏览/下载：383/162  |  提交时间：2017/08/15
Reformation Capability of Short-Range Order and Their Medium-Range Connections Regulates Deformability of Bulk Metallic Glasses 期刊论文
SCIENTIFIC REPORTS, 2015, 卷号: 5, 页码: 12177
作者:  Li CL;  Wei YJ(魏宇杰);  Shi XH(施兴华);  Shi, XH (reprint author), Chinese Acad Sci, Inst Mech, LNM, Beijing 100190, Peoples R China.
浏览  |  Adobe PDF(2529Kb)  |  收藏  |  浏览/下载：879/113  |  提交时间：2015/09/22
A stochastic description on the traction-separation law of an interface with non-covalent bonding 期刊论文
JOURNAL OF THE MECHANICS AND PHYSICS OF SOLIDS, 2014, 卷号: 70, 页码: 227-241
作者:  Wei YJ(魏宇杰);  Wei, YJ (reprint author), Chinese Acad Sci, Inst Mech, LNM, Beijing 100190, Peoples R China.
浏览  |  Adobe PDF(721Kb)  |  收藏  |  浏览/下载：719/174  |  提交时间：2014/11/03
Fatigue-crack Growth  Cohesive Zone Model  Cell-adhesion  Numerical-simulation  Mechanical Model  Brownian-motion  Molecular-bond  Elastic Solids  Force  Resistance