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Grain boundary-mediated plasticity accommodating the cracking process in nanograined gold: In situ observations and simulations 期刊论文
SCRIPTA MATERIALIA, 2021, 卷号: 194, 页码: 6
Authors:  Yang Xu-Sheng;  Yuan Shuqing;  Fu Hui;  Wang YJ(王云江)
Favorite  |  View/Download:26/0  |  Submit date:2021/05/06
Nanocrystalline metal  Crack propagation  Plastic deformation, In situ transmission electron microscope  Molecular dynamic simulations  
Nanograin formation in dimple ridges due to local severe-plastic-deformation during ductile fracture 期刊论文
Scripta Materialia, 2021, 卷号: 194, 页码: 113631
Authors:  Pan XN(潘向南);  Qian GA(钱桂安);  Hong YS(洪友士)
Adobe PDF(2120Kb)  |  Favorite  |  View/Download:232/32  |  Submit date:2020/11/23
nanograins  ductile fracture  dimple ridge  severe plastic deformation (SPD)  titanium alloy  
Effects of inclusion size and stress ratio on the very-high-cycle fatigue behavior of pearlitic steel 期刊论文
INTERNATIONAL JOURNAL OF FATIGUE, 2021, 卷号: 142, 页码: 11
Authors:  Cong, Tao;  Qian, Guian;  Zhang, Guanzhen;  Wu, Si;  Pan, Xiangnan;  Du, Leiming;  Liu, Xiaolong
Favorite  |  View/Download:30/0  |  Submit date:2021/01/12
Pearlitic steel  Very-high-cycle fatigue  Inclusion size  Stress ratio  Nanograins  
The formation of discontinuous gradient regimes during crack initiation in high strength steels under very high cycle fatigue 期刊论文
INTERNATIONAL JOURNAL OF FATIGUE, 2019, 卷号: 124, 页码: 483-492
Authors:  Sun CQ(孙成奇);  Zhou LL(周玲玲);  Liu JL;  Wang Y(王垚);  Wu XL(武晓雷);  Wei YJ(魏宇杰)
View  |  Adobe PDF(8304Kb)  |  Favorite  |  View/Download:137/36  |  Submit date:2019/09/09
Very high cycle fatigue  Gradient microstructure  Mechanism of crack initiation  Crack growth rate  
In-situ observation of dislocation dynamics near heterostructured interfaces 期刊论文
MATERIALS RESEARCH LETTERS, 2019, 卷号: 7, 期号: 9, 页码: 376-382
Authors:  Zhou H;  Huang CX;  Sha XC;  Xiao LR;  Ma XL;  Hoeppel HW;  Goeken M;  Wu XL(武晓雷);  Ameyama K;  Han XD;  Zhu YT
View  |  Adobe PDF(2171Kb)  |  Favorite  |  View/Download:76/16  |  Submit date:2019/09/09
Heterostructured materials  deformation mechanism  Frank-Read source  in-situ TEM  
Ductility by shear band delocalization in the nano-layer of gradient structure 期刊论文
MATERIALS RESEARCH LETTERS, 2019, 卷号: 7, 期号: 1, 页码: 12-17
Authors:  Yuan FP(袁福平);  Yan DS(严定舜);  Sun JD(孙将达);  Zhou LL(周玲玲);  Zhu YT;武晓雷
View  |  Adobe PDF(2083Kb)  |  Favorite  |  View/Download:160/21  |  Submit date:2019/03/28
Gradient structure  ductility  shear band  strain delocalization  back-stress hardening  
Mechanical behavior and size effect of the staggered bio-structure materials 期刊论文
MECHANICS OF MATERIALS, 2018, 卷号: 126, 页码: 47-56
Authors:  Ma HS(马寒松);  Wei YG(魏悦广);  Song JR(宋晶如);  Liang LH(梁立红);  Reprint Author: Ma HS and Wei YG
View  |  Adobe PDF(950Kb)  |  Favorite  |  View/Download:156/32  |  Submit date:2018/11/02
Staggered Bio-structure  Trans-scale Model  Strain Gradient Theory  Effective Modulus  Shear-lag Model  
The behavior of crack initiation and early growth in high-cycle and very-high-cycle fatigue regimes for a titanium alloy 期刊论文
INTERNATIONAL JOURNAL OF FATIGUE, 2018, 卷号: 115, 期号: SI, 页码: 67-78
Authors:  Pan XN(潘向南);  Su H(苏杭);  Sun CQ(孙成奇);  Hong YS(洪友士)
View  |  Adobe PDF(6409Kb)  |  Favorite  |  View/Download:184/41  |  Submit date:2018/12/12
Very-high-cycle fatigue  Crack initiation  Mean stress  Titanium alloy  Equiaxed microstructure  
Crack growth rates and microstructure feature of initiation region for very-high-cycle fatigue of a high-strength steel 期刊论文
FATIGUE & FRACTURE OF ENGINEERING MATERIALS & STRUCTURES, 2018, 卷号: 41, 期号: 8, 页码: 1717-1732
Authors:  Hu YP(胡远培);  Sun CQ(孙成奇);  Hong YS(洪友士)
View  |  Adobe PDF(2025Kb)  |  Favorite  |  View/Download:137/41  |  Submit date:2018/10/30
crack growth rate  crack initiation  fine-granular-area  high-strength steel  variable amplitude loading  very-high-cycle fatigue  
Dynamically reinforced heterogeneous grain structure prolongs ductility in a medium-entropy alloy with gigapascal yield strength 期刊论文
PROCEEDINGS OF THE NATIONAL ACADEMY OF SCIENCES OF THE UNITED STATES OF AMERICA, 2018, 卷号: 115, 期号: 28, 页码: 7224-7229
Authors:  Yang MX(杨沐鑫);  Yan DS(严定舜);  Yuan FP(袁福平);  Jiang P(姜萍);  Ma E;  Wu XL(武晓雷)
View  |  Adobe PDF(1429Kb)  |  Favorite  |  View/Download:177/46  |  Submit date:2018/10/30
heterogeneous grain structure  ductility  medium-entropy alloy  back stress hardening