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The Influence of Metastable Cellular Structure on Deformation Behavior in Laser Additively Manufactured 316L Stainless Steel 期刊论文
NANOMATERIALS, 2021, 卷号: 11, 期号: 11, 页码: 13
作者:  Li N(李娜);  Li ZY(李正阳);  Wei YJ(魏宇杰)
Adobe PDF(6117Kb)  |  收藏  |  浏览/下载:220/29  |  提交时间:2022/01/13
laser additive manufacturing  metastable cellular structures  316L stainless steel  coherent precipitates  stacking fault energy  
Scaling of internal dissipation of polycrystalline solids on grain-size and frequency 期刊论文
ACTA MATERIALIA, 2020, 卷号: 201, 页码: 350-363
作者:  Duan CC(段闯闯);  Wei YJ(魏宇杰)
Adobe PDF(5634Kb)  |  收藏  |  浏览/下载:177/49  |  提交时间:2021/01/29
Internal friction  Loss modulus  Dissipation  Viscoelasticity  Polycrystalline solids  
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:407/71  |  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:465/125  |  提交时间:2019/09/09
Effective toughness  Fracture strength  Strain softening  Shear banding  Strip-yield model  
软化塑性带对材料宏观断裂强度及韧性影响的理论分析 会议论文
中国力学大会(CCTAM 2019), 中国浙江杭州, 2019-08-25~28
作者:  曾霞光;  魏宇杰
Adobe PDF(1617Kb)  |  收藏  |  浏览/下载:307/45  |  提交时间:2020/01/10
The influence of combined gradient structure with residual stress on crack-growth behavior in medium carbon steel 期刊论文
ENGINEERING FRACTURE MECHANICS, 2019, 卷号: 209, 页码: 369-381
作者:  Wang Y(王瑶);  Yuan LC;  Zhang SJ(张诗嘉);  Sun CQ(孙成奇);  Wang WJ;  Yang GX;  Li Q;  Wei YJ(魏宇杰)
Adobe PDF(2613Kb)  |  收藏  |  浏览/下载:382/151  |  提交时间:2019/04/11
Gradient material  Residual stress  Fatigue crack  Cyclic J-integral  Crack- growth rate  
页岩气开采中的若干力学前沿问题 期刊论文
力学进展, 2019, 卷号: 49, 期号: 00, 页码: 1-236
作者:  刘曰武;  高大鹏;  李奇;  万义钊;  段文杰;  曾霞光;  李明耀;  苏业旺;  范永波;  李世海;  鲁晓兵;  周东;  陈伟民;  傅一钦;  姜春晖;  侯绍继;  潘利生;  魏小林;  胡志明;  端祥刚;  高树生;  沈瑞;  常进;  李晓雁;  柳占立;  魏宇杰;  郑哲敏
Adobe PDF(109408Kb)  |  收藏  |  浏览/下载:296/39  |  提交时间:2019/09/12
页岩气  压裂  力学性质  数值模拟  监测技术  渗流  
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)
Adobe PDF(2242Kb)  |  收藏  |  浏览/下载:543/142  |  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
Adobe PDF(919Kb)  |  收藏  |  浏览/下载:302/80  |  提交时间:2018/07/17
Thin Film Electrode  In-situ Stress Measurement  Stoney Equation  Diffusion Stress Coupling  Finite-deformation Finite Element  
基于分层分压结构的新型潜水器耐压壳结构设计 期刊论文
力学学报, 2017, 期号: 06, 页码: 1231-1242
作者:  张吟;  刘小明;  雷现奇;  孙成奇;  方新;  魏宇杰
Adobe PDF(9159Kb)  |  收藏  |  浏览/下载:325/64  |  提交时间:2017/12/22
耐压壳  深潜器  结构  强度  屈曲