ATOMIC-SCALE

作品数：90被引量：220H指数：7
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Formation of intracrystalline deformation twins in austenitic Mn-steel at the early stage of plastic deformation Zhimin Ding
《Journal of Materials Science & Technology》2024年第30期129-138,共10页Zhimin Ding Linnan Dong Qiaomei Huang Jie Guo Rujin Tian Feng Yan 
supported by the Key Projects of CRRC Technology Research and Development Plan(No.2022CXB195).
In austenitic Mn-steels with low stacking fault energy,the deformation twin is known to play an im-portant role in plastic deformation.Usually,the position grain boundary is preferred to observe and in-vestigate the f...
关键词：High-resolution transmission electron microscopy Austenitic Mn-steel Deformation twin Nucleation mechanism ATOMIC-SCALE 
Atomic-scale investigation of precipitate phases in QE22 Mg alloy
《Journal of Materials Science & Technology》2024年第10期114-127,共14页Xiaojun Zhao Zhiqiao Li Aiping Zhang Longlong Hao Houwen Chen Jian-Feng Nie 
HWC acknowledges the support from the National Key Research and Development Program of China(No.2021YFB03702101);National Natural Science Foundation of China(Nos.52071033,52101150);Sichuan Science and Technology Program(No.2022YFG0287);Fundamental Research Funds for the Central Universities(No.2682021CX114);Project on Function Development of Large-scale Instruments of Chongqing University(No.gnkf2022017);JFN acknowledges the financial support from the Australian Research Council.
Precipitation-hardenable commercial Mg alloy QE22(Mg-2.5Ag-2.ONd-0.7Zr,wt.%)has excellent mechan-ical properties,but precipitates in this alloy have not been well understood.In this work,precipitate phasesγ",γ,andδ...
关键词：Magnesium alloy Precipitation Phase identification Phase transformation Electron microscopy 
Atomic-scale simulations in multi-component alloys and compounds:A review on advances in interatomic potential被引量：4
《Journal of Materials Science & Technology》2023年第34期49-65,共17页Feiyang Wang Hong-Hui Wu Linshuo Dong Guangfei Pan Xiaoye Zhou Shuize Wang Ruiqiang Guo Guilin Wu Junheng Gao Fu-Zhi Dai Xinping Mao 
the National Key Research and Development Program of China(No.2022YFB3709000);the National Natural Science Foundation of China(Nos.52122408,52071023,52101019,and 51901013);the Fundamental Research Funds for the Central Universities(University of Science and Technology Beijing,Nos.06500135 and FRF-TP-2021-04C1).
Multi-component alloys have demonstrated excellent performance in various applications,but the vast range of possible compositions and microstructures makes it challenging to identify optimized alloys for specific pur...
关键词：Multi-component alloys Atomic simulation Empirical potentials Machine learning potentials 
Atomic-scale insight into the epitaxial growth mechanism and interfacial coupling of BNT film prepared by hydrothermal synthesis
《Journal of Materials Science & Technology》2023年第33期198-204,共7页Fujun Chen Hao Qian Xiaoyuan Sun Tianyang Zheng Yunfei Liu Jin Luo Yinong Lyu 
supported by the National Natural Science Foundation of China(NSFC)under grant No.51902155;the Priority Academic Program Development(PAPD)of Jiangsu Higher Education Institutions.
Revealing the epitaxial growth mechanism and the interfacial coupling effect between oxide films will help to build a“structure-property”bridge for the design of microelectronic devices.Here,the epitaxial growth mec...
关键词：Hydrothermal synthesis Growth mechanism Interfacial coupling AC-STEM Octahedral tilt 
Atomic-scale Nb heterogeneity induced icosahedral short-range ordering in metallic glasses被引量：1
《Journal of Materials Science & Technology》2022年第13期73-81,共9页Yuhui Zhu Weizhen Wang Yuanyuan Song Shiming Zhang Hong Li Aimin Wang Haifeng Zhang Zhengwang Zhu 
the financial support from the National Natural Science Foundation of China(Grant Nos.52074257 and 51790484);the Chinese Academy of Sciences(Grant No.ZDBSLY-JSC023);the Liao Ning Revitalization Talents Program(Grant Nos.XLYC1802078 and XLYC1807062);the fund of Qingdao(Grant No.19-9-2-1-wz)。
The intrinsic origins and formation of atomic-scale structure in multicomponent alloys remain largely unknown owing to limited simulations and inaccessible experiments.Herein,we report the formation of three-dimension...
关键词：Metallic glasses Isothermal annealing ATOMIC-SCALE Structural ordering Nb heterogeneity 
Atomic-scale dissecting the formation mechanism of gradient nanostructured layer on Mg alloy processed by a novel high-speed machining technique被引量：1
《Journal of Materials Science & Technology》2021年第23期227-238,共12页Hui Fu Xiaoye Zhou Bo Wu Lei Qian Xu-Sheng Yang 
financially supported by the National Natural Science Foundation of China(Nos.51701171 and 51971187);the Partner State Key Laboratories in Hong Kong from the Innovation and Technology Commission(ITC)of the Government of the Hong Kong Special Administration Region(HKASR),China;financial support from the PolyU Research Office(Project Code:1-BBXA)。
Severe plastic deformation(SPD)-induced gradient nanostructured(GNS)metallic materials exhibit superior mechanical performance,especially the high strength and good ductility.In this study,a novel high-speed machining...
关键词：Gradient nanostructured Mg alloy High-speed machining Deformation twinning High-resolution transition electron microscopy Hall-Petch relationship 
Atomic-scale roles of Zn element in age-hardened AlMgSiZn alloys被引量：3
《Journal of Materials Science & Technology》2021年第11期105-112,共8页N.N.Jiao Y.X.Lai S.L.Chen P.Gao J.H.Chen 
financially supported by the National Key Research and Development Program of China(No.2016YFB0300801);the National Natural Science Foundation of China(Nos.51831004,11427806,51671082,51471067)。
Adding alloying elements to improve the performances or the manufacturing processes of Al-Mg-Si alloys has long been a serious issue in developing advanced automotive aluminum materials.The Zn element,among those prom...
关键词：Al-Mg-Si alloy Zn addition PRECIPITATE Electron microscopy 
Correlation between deformation behavior and atomic-scale heterogeneity in Fe-based bulk metallic glasses被引量：2
《Journal of Materials Science & Technology》2021年第6期54-60,共7页Jing Zhou Siyi Di Baoan Sun Qiaoshi Zeng Baolong Shen 
supported by the National Natural Science Foundation of China(Grant Nos.51631003 and 51871054);the Fundamental Research Funds for the Central Universities(Grant No.2242019k1G005);supported by the Department of Energy(DOE)Office of Science(DE-AC02-06CH11357)。
The correlation betweent deformation behavior and atomic-scale heterogeneity of bulk metallic glasses(BMGs)is critical to understand the BMGs'deformation mechanism.In this work,three typical[(Fe_(0.5)Co_(0.5))_(0.75)B...
关键词：Fe-based BMG PLASTICITY Serrated flow behavior ATOMIC-SCALE HETEROGENEITY 
Atomic-scale tuned interface of nickel-rich cathode for enhanced electrochemical performance in lithium-ion batteries被引量：1
《Journal of Materials Science & Technology》2020年第19期77-86,共10页Yongqiang Liu Xin Wang Jiyu Cai Xiaoxiao Han Dongsheng Geng Jianlin Li Xiangbo Meng 
financial research support from 111 Project(No.B170003);University of Science and Technology Beijing;the partial support from the Center for Advanced Surface Engineering,under the National Science Foundation Grant(No.OIA-1457888);the Arkansas EPSCo R Program,ASSET III;the financial research support from University of Arkansas,Fayetteville,AR,USA;supported by the US Department of Energy,Office of Science,under Contract(No.DE-AC02-06CH11357)。
The Ni-rich layered LiNi_(0.6)Mn_(0.2)Co_(0.2)O_(2)(NMC622)is one promising cathode for lithium-ion batteries(LIBs),but suffers from poor cycling stability under high cutoff potentials.The performance degradation was ...
关键词：Atomic layer deposition Lithium ion battery Surface coating 
Atomic-scale investigation of spinel Li Fe5O8 thin films on SrTiO3(001) substrates
《Journal of Materials Science & Technology》2020年第5期31-38,共8页Kun Liu Ruyi Zhang Lu Lu Shaobo Mi Ming Liu Hong Wang Shengqiang Wu Chunlin Jia 
financially supported by the National Basic Research Program of China(No.2015CB654903);the National Natural Science Foundation of China(Nos.51471169 and 51390472).
Microstructural properties of spinel Li Fe5O8(LFO)films grown on(001)-oriented Sr TiO3(STO)substrates have been investigated at the atomic-scale by advanced electron microscopy techniques.Two types of orientation rela...
关键词：LITHIUM FERRITE TWIN boundaries Antiphase boundaries Interactions Electron microscopy 
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