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Beyond Orowan hardening: Mapping the four distinct mechanisms associated with dislocation-precipitate interaction 期刊论文
INTERNATIONAL JOURNAL OF PLASTICITY, 2023, 卷号: 169, 页码: 103710
作者:  Peng, Shenyou;  Wang, Zhili;  Li, Jia;  Fang, Qihong;  Wei YJ(魏宇杰)
Adobe PDF(9904Kb)  |  收藏  |  浏览/下载：52/0  |  提交时间：2023/09/26
Dislocation  Precipitate  Orowan hardening  Radiation-emission  Interface-nucleation  
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  
Thermal conductivity modeling using machine learning potentials: application to crystalline and amorphous silicon 期刊论文
MATERIALS TODAY PHYSICS, 2019, 卷号: 10, 页码: UNSP 100140
作者:  Qian X.;  彭神佑.;  Li X.;  Wei YJ(魏宇杰);  Yang R.
Adobe PDF(1356Kb)  |  收藏  |  浏览/下载：284/122  |  提交时间：2020/03/21
Thermal conductivity  Machine learning  Molecular dynamics  Phonons  
典型原子界面与粘接界面的力学行为 学位论文
博士论文，北京: 中国科学院大学, 2019
作者:  彭神佑
Adobe PDF(5404Kb)  |  收藏  |  浏览/下载：812/30  |  提交时间：2019/06/04
界面  位错  位错运动  位错速度  超声速位错  界面塑性  
Supersonic Screw Dislocations Gliding at the Shear Wave Speed 期刊论文
PHYSICAL REVIEW LETTERS, 2019, 卷号: 122, 期号: 4, 页码: 045501
作者:  Peng SY(彭神佑);  Wei YJ(魏宇杰);  Jin ZH;  Yang W(杨卫)
Adobe PDF(1547Kb)  |  收藏  |  浏览/下载：785/160  |  提交时间：2019/02/19
Unconventional Deformation Behaviours of Nanoscaled High-Entropy Alloys 期刊论文
ENTROPY, 2018, 卷号: 20, 期号: 10, 页码: Ar-778
作者:  Bu YQ;  Peng SY(彭神佑);  Wu SW;  Wei YJ(魏宇杰);  Wang G;  Liu JB;  Wang HT(王洪涛)
Adobe PDF(1289Kb)  |  收藏  |  浏览/下载：319/142  |  提交时间：2018/12/12
nanoscaled high-entropy alloys  nanodisturbances  phase transformations  atomic-scale unstable  
The stress-velocity relationship of twinning partial dislocations and the phonon-based physical interpretation 期刊论文
SCIENCE CHINA-PHYSICS MECHANICS & ASTRONOMY, 2017, 卷号: 60, 期号: 11
作者:  Wei YJ(魏宇杰);  Peng SY(彭神佑);  Wei, YJ (reprint author), Chinese Acad Sci, Inst Mechan, State Key Lab Nonlinear Mech LNM, Beijing 100190, Peoples R China.;  Wei, YJ (reprint author), Univ Chinese Acad Sci, Sch Engn Sci, Beijing 100049, Peoples R China.
Adobe PDF(6735Kb)  |  收藏  |  浏览/下载：350/101  |  提交时间：2017/12/18
Dislocation Mobility  Transverse And Longitudinal Phonons  Subsonic And Supersonic Velocity  Stress-velocity Relationship  Molecular Dynamics  
On the influence of interfacial properties to the bending rigidity of layered structures 期刊论文
JOURNAL OF THE MECHANICS AND PHYSICS OF SOLIDS, 2016, 卷号: 92, 页码: 278-296
作者:  Peng SY;  Wei YJ(魏宇杰);  Wei, YJ (reprint author), Chinese Acad Sci, Inst Mech, LNM, Beijing 100190, Peoples R China.
浏览  |  Adobe PDF(2226Kb)  |  收藏  |  浏览/下载：317/102  |  提交时间：2016/09/14
Bending Stiffness  Interface Sliding  Interfacial Crack  Multi-layered Composite  Bilayer Structures