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Anisotropic mechanical response of a 2D covalently bound fullerene lattice 期刊论文
CARBON, 2023, 卷号: 202, 页码: 118-124
作者:  Zhao S(赵帅);  Zhang XB(张曦蓓);  Ni, Yong;  Peng Q(彭庆);  Wei YJ(魏宇杰)
Adobe PDF(6116Kb)  |  收藏  |  浏览/下载:267/47  |  提交时间:2023/01/12
MonolayerC(60) fullerene(mC(60))  Mechanical properties  Anisotropic strength  Strain engineering  Band gap  
Roughening for Strengthening and Toughening in Monolayer Carbon Based Composites 期刊论文
NANO LETTERS, 2021, 卷号: 21, 期号: 11, 页码: 4823-4829
作者:  Xie WH(谢文慧);  Wei YJ(魏宇杰)
Adobe PDF(11471Kb)  |  收藏  |  浏览/下载:130/62  |  提交时间:2022/10/25
Monolayer amorphous carbon  Graphene  Roughening Toughness  Strength  
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:413/72  |  提交时间:2020/05/18
nanoscale precipitate  dislocation sources  ductility  strength  multiple-element alloy  
The effective fracture strength and fracture toughness of solids with energy dissipation confined to localized strips 期刊论文
INTERNATIONAL JOURNAL OF PLASTICITY, 2019, 卷号: 120, 页码: 47-63
作者:  Zeng XG;  Wei YJ(魏宇杰)
浏览  |  Adobe PDF(2027Kb)  |  收藏  |  浏览/下载:470/128  |  提交时间:2019/09/09
Effective toughness  Fracture strength  Strain softening  Shear banding  Strip-yield model  
Nanomechanics of graphene 期刊论文
NATIONAL SCIENCE REVIEW, 2019, 卷号: 6, 期号: 2, 页码: 324-348
作者:  Wei YJ(魏宇杰);  Yang RG(杨荣贵)
浏览  |  Adobe PDF(1360Kb)  |  收藏  |  浏览/下载:291/70  |  提交时间:2019/12/02
graphene  strength  wrinkling  pentagon-heptagon rings  carbon honeycomb  
Effects of intermittent loading on fatigue life of a high strength steel in very high cycle fatigue regime 期刊论文
INTERNATIONAL JOURNAL OF FATIGUE, 2018, 卷号: 117, 页码: 9-12
作者:  Sun CQ(孙成奇);  Song QY;  Hu YP(胡远培);  Wei YJ(魏宇杰)
浏览  |  Adobe PDF(1739Kb)  |  收藏  |  浏览/下载:588/110  |  提交时间:2018/12/12
Very high cycle fatigue  High strength steels  Intermittent loading  Ultrasonic fatigue technique  
On the influence of junction structures on the mechanical and thermal properties of carbon honeycombs 期刊论文
CARBON, 2017, 卷号: 119, 页码: 278-286
作者:  Gu XK;  Pang ZQ;  Wei YJ(魏宇杰);  Yang RG;  Wei, YJ (reprint author), Chinese Acad Sci, Inst Mech, LNM, Beijing 100190, Peoples R China.
浏览  |  Adobe PDF(2543Kb)  |  收藏  |  浏览/下载:411/132  |  提交时间:2017/07/24
Carbon Honeycomb  Carbon Allotrope  Lightweight  Thermal Conductivity  Mechanical Strength  Ductility  
Bottom-up Design of Three-Dimensional Carbon-Honeycomb with Superb Specific Strength and High Thermal Conductivity 期刊论文
NANO LETTERS, 2017, 卷号: 17, 期号: 1, 页码: 179-185
作者:  Pang ZQ;  Gu XK;  Wei YJ(魏宇杰);  Yang RG;  Dresselhaue MS;  Wei, YJ (reprint author), Chinese Acad Sci, Inst Mech, LNM, Beijing 100190, Peoples R China.
浏览  |  Adobe PDF(3270Kb)  |  收藏  |  浏览/下载:530/179  |  提交时间:2017/02/24
Carbon Honeycomb  Specific Strength  Thermal Conductivity  Sp(3)-bonding  
金属非晶的强度和变形特性 期刊论文
固体力学学报, 2016, 卷号: 37, 期号: 4, 页码: 312-339
作者:  雷现奇;  魏宇杰
浏览  |  Adobe PDF(2660Kb)  |  收藏  |  浏览/下载:770/124  |  提交时间:2016/12/16
Metallic Glass  Plasticity  Yield Criterion  Strength  Spiral Fracture  
The influence of crack-orientation distribution on the mechanical properties of pre-cracked brittle media 期刊论文
INTERNATIONAL JOURNAL OF SOLIDS AND STRUCTURES, 2016, 卷号: 96, 页码: 64-73
作者:  Zeng, XG;  Wei YJ(魏宇杰);  Wei, YJ (reprint author), Chinese Acad Sci, Inst Mech, LNM, Beijing 100190, Peoples R China.
浏览  |  Adobe PDF(4597Kb)  |  收藏  |  浏览/下载:352/70  |  提交时间:2016/12/08
Pre-cracked Media  Crack Distribution  Extended Finite Element Method (Xfem)  Elastic Properties  Strength