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Simultaneous flattening and hardening of laser shock peened Zr-based metallic glass surface by nanosecond laser irradiation in a flowing nitrogen atmosphere 期刊论文
JOURNAL OF MATERIALS PROCESSING TECHNOLOGY, 2024, 卷号: 326, 页码: 11
作者:  Qian, Yongfeng;  Liu, Bo;  Hong, Jing;  Jiang MQ(蒋敏强);  Zhang ZY(张治愚);  Zhang, Lin;  Huang, Hu;  Yan, Jiwang
收藏  |  浏览/下载:6/0  |  提交时间:2024/04/15
Laser shock peening  Metallic glass  Nanosecond laser irradiation  Surface flattening  Surface hardening  
Fatigue life prediction for LPBF-fabricated Ti-6Al-4V up to very-high-cycle regime based on continuum damage mechanics incorporating effect of defects 期刊论文
INTERNATIONAL JOURNAL OF FATIGUE, 2024, 卷号: 181, 页码: 13
作者:  Ling, Chao;  Jia, Yinfeng;  Fu, Rui;  Zheng, Liang;  Zhong, Zheng;  Hong YS(洪友士)
收藏  |  浏览/下载:23/0  |  提交时间:2024/03/11
Fatigue life prediction  LPBF-fabricated Ti-6Al-4V  Continuum damage mechanics  Defect  Very-high-cycle fatigue  
Elastic fields of double branched and Kalthoff-Winkler cracks in a half-plane 期刊论文
JOURNAL OF THE MECHANICS AND PHYSICS OF SOLIDS, 2024, 卷号: 184, 页码: 24
作者:  Si YJ(斯杨剑);  Wei YJ(魏宇杰)
收藏  |  浏览/下载:19/0  |  提交时间:2024/04/02
Edge branched crack  Kalthoff-Winkler crack  Stress intensity factors  Crack opening displacement  Conformal mapping  
Modelling micropit formation in rolling contact fatigue of bearings with a crystal plasticity damage theory coupled with cohesive finite elements 期刊论文
ENGINEERING FRACTURE MECHANICS, 2024, 卷号: 297, 页码: 16
作者:  Han, Xinqi;  Li, Shuxin;  Sun CQ(孙成奇);  Lu, Siyuan
收藏  |  浏览/下载:5/0  |  提交时间:2024/04/02
Micropit formation  Rolling contact fatigue  Transgranular crack growth  Crystal plasticity model  
Microstructure features induced by fatigue crack initiation up to very-high-cycle regime for an additively manufactured aluminium alloy 期刊论文
JOURNAL OF MATERIALS SCIENCE & TECHNOLOGY, 2024, 卷号: 173, 页码: 247-260
作者:  Pan XN(潘向南);  Du, Leiming;  Qian GA(钱桂安);  Hong YS(洪友士)
收藏  |  浏览/下载:136/0  |  提交时间:2023/11/06
Aluminium alloy  Additive manufacturing  Nanograins  Very-high-cycle fatigue (VHCF)  Crack initiation  Mean stress  
Multi-scale fatigue failure features of titanium alloys with equiaxed or bimodal microstructures from low-cycle to very-high-cycle loading numbers 期刊论文
MATERIALS SCIENCE AND ENGINEERING A-STRUCTURAL MATERIALS PROPERTIES MICROSTRUCTURE AND PROCESSING, 2024, 卷号: 890, 页码: 13
作者:  Pan, Xiangnan;  Su, Hang;  Liu, Xiaolong;  Hong, Youshi
收藏  |  浏览/下载:55/0  |  提交时间:2024/01/08
Titanium alloy  Very-high-cycle fatigue  Crack initiation  Crack growth threshold  Facet  Equiaxed or bimodal microstructure  
A novel approach to compute the spatial gradients of enriching functions in the X-FEM with a hybrid representation of cracks 期刊论文
COMPUTER METHODS IN APPLIED MECHANICS AND ENGINEERING, 2023, 卷号: 417, 页码: 21
作者:  Liu CQ(刘传奇);  Wei YJ(魏宇杰)
Adobe PDF(1455Kb)  |  收藏  |  浏览/下载:60/2  |  提交时间:2023/10/30
X-FEM  Level sets  Hybrid representation  WENO  
Atomistic insights into the influence of hydrogen on crack propagation in tungsten 期刊论文
FUSION ENGINEERING AND DESIGN, 2023, 卷号: 197, 页码: 11
作者:  Shi, Jun;  Li, Bingchen;  Li, Lei;  Liu, Yifan;  Fan, Xinyue;  Peng Q(彭庆);  Liang, Linyun;  Jin, Shuo;  Lu, Guanghong
Adobe PDF(27292Kb)  |  收藏  |  浏览/下载:101/1  |  提交时间:2023/12/11
Molecular dynamics simulation  Hydrogen  Crack propagation  Plasma-facing materials  Tungsten  
Laser powder bed fused 304L steel shot-peened with various ceramic shot sizes: Surface/subsurface characteristics, tensile behavior, and fatigue behavior 期刊论文
INTERNATIONAL JOURNAL OF PLASTICITY, 2023, 卷号: 171, 页码: 21
作者:  Zhang, Hongzhuang;  Cao, Shujie;  Li, Changyou;  Li, Bing;  Qian GA(钱桂安)
Adobe PDF(50378Kb)  |  收藏  |  浏览/下载:52/0  |  提交时间:2024/01/01
Laser powder bed fusion  Shot peening  Shot size  Microstructural evolution  Strengthening mechanism  
偏折与分岔裂纹尖端的弹性场与应力强度因子的解析解 学位论文
博士论文,北京: 中国科学院大学, 2023
作者:  刘卓尔
Adobe PDF(17448Kb)  |  收藏  |  浏览/下载:68/10  |  提交时间:2024/01/22
断裂力学  裂纹偏折与分岔  共形映射  应力场  应力强度因子