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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
Authors:  Xie WH(谢文慧);  Wei YJ(魏宇杰)
Adobe PDF(11471Kb)  |  Favorite  |  View/Download：141/64  |  Submit date：2022/10/25
Monolayer amorphous carbon  Graphene  Roughening Toughness  Strength  
Statistical analysis on rolling contact fatigue in railroad axle bearing steel 期刊论文
FATIGUE & FRACTURE OF ENGINEERING MATERIALS & STRUCTURES, 2019, 卷号: 42, 期号: 3, 页码: 651-663
Authors:  Guo RB;  Yang GX;  Li ZY(李正阳);  Liu ZM;  Wei YJ(魏宇杰)
View  |  Adobe PDF(1973Kb)  |  Favorite  |  View/Download：1695/1445  |  Submit date：2019/04/11
bearing steel  crack propagation  rolling contact fatigue  statistical analysis  
Defects guided wrinkling in graphene on copper substrate 期刊论文
CARBON, 2019, 卷号: 143, 页码: 736-742
Authors:  Pang ZQ(庞振乾);  Deng B;  Liu ZF;  Peng HL;  Wei YJ(魏宇杰)
View  |  Adobe PDF(6991Kb)  |  Favorite  |  View/Download：366/129  |  Submit date：2019/04/11
Wrinkling  Graphene  Grain boundary  Stone-wales defects  Binding energy  
Nanomechanics of graphene 期刊论文
NATIONAL SCIENCE REVIEW, 2019, 卷号: 6, 期号: 2, 页码: 324-348
Authors:  Wei YJ(魏宇杰);  Yang RG(杨荣贵)
View  |  Adobe PDF(1360Kb)  |  Favorite  |  View/Download：304/75  |  Submit date：2019/12/02
graphene  strength  wrinkling  pentagon-heptagon rings  carbon honeycomb  
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：462/132  |  Submit date：2018/10/30
Cryogenic  Toughening  Strengthening  Gradient  Synchrotron high-energy X-ray diffraction  
Grain misorientation and grain-boundary rotation dependent mechanical properties in polycrystalline graphene 期刊论文
JOURNAL OF THE MECHANICS AND PHYSICS OF SOLIDS, 2013, 卷号: 61, 期号: 6, 页码: 1421-1432
Authors:  Wu JT(吴江涛);  Wei YJ(魏宇杰);  Wei, YJ (reprint author), Chinese Acad Sci, Inst Mech, LNM, Beijing 100190, Peoples R China
Adobe PDF(3103Kb)  |  Favorite  |  View/Download：1852/804  |  Submit date：2013/03/06
Polycrystalline Graphene  Grain Misorientation  Grain Boundary Rotation  Disclination  Density Functional Theory Calculation  
Tunable band structures of polycrystalline graphene by external and mismatch strains 期刊论文
Acta Mechanica Sinica, 2012, 卷号: 28, 期号: 6, 页码: 1539-1544
Authors:  Wu JT(吴江涛);  Shi XH(施兴华);  Wei YJ(魏宇杰);  Wei YJ(魏宇杰)
Adobe PDF(3407Kb)  |  Favorite  |  View/Download：926/251  |  Submit date：2013/01/31
Graphene  Grain Boundary  Defects  Strain  Band Gap  
The nature of strength enhancement and weakening by pentagon-heptagon defects in graphene 期刊论文
Nature Materials, 2012, 卷号: 11, 期号: 9, 页码: 759-763
Authors:  Wei YJ(魏宇杰);  Wu JT(吴江涛);  Yin HQ(尹汗青);  Shi XH(施兴华);  Yang RG;  Dresselhaus M;  Wei, YJ;  Chinese Acad Sci, Inst Mech, LNM, Beijing 100190, Peoples R China.
Adobe PDF(1210Kb)  |  Favorite  |  View/Download：2594/863  |  Submit date：2012/12/31
Chemical-vapor-deposition  Grain-boundaries  Large-area  Films  Field  
A theoretical analysis of the surface dependent binding, peeling and folding of graphene on single crystal copper 期刊论文
CARBON, 2012, 卷号: 50, 期号: 8, 页码: 3055-3063
Authors:  Shi XH(施兴华);  Yin QF(殷其放);  Wei YJ(魏宇杰);  Shi, XH;  Chinese Acad Sci, Inst Mech, State Key Lab Nonlinear Mech, Beijing 100190, Peoples R China.
Adobe PDF(1158Kb)  |  Favorite  |  View/Download：1073/437  |  Submit date：2013/01/18
Epitaxial Graphene  Carbon Nanotubes  Nanowires  Strength  Films