LOW-ANGLE

作品数：26被引量：53H指数：3
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相关领域：理学天文地球更多>>
相关作者：冯宗强黄斌罗贤杨延清李茂华更多>>
相关机构：中航工业北京航空材料研究院西北工业大学华南理工大学更多>>
相关期刊：《Advances in Chemical Engineering and Science》《Acta Metallurgica Sinica(English Letters)》《Science China Earth Sciences》《Journal of Rare Earths》更多>>
相关基金：国家自然科学基金高等学校学科创新引智计划中国博士后科学基金上海市自然科学基金更多>>
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Hardness-thermal stability synergy in nanograined Ni and Ni alloys:Superposition of nanotwin and low-energy columnar boundary
《Journal of Materials Science & Technology》2023年第6期123-131,共9页F.H.Duan Y.Lin Q.Li J.H.Luan J.Lu J.Pan Y.Li 
This work was supported by the National Natural Science Foundation of China(Nos.52022100,52001075,and 52101162);the Shenyang National Laboratory for Materials Science(No.E01SL102);J.Pan is also grateful for support from the Youth In-novation Promotion Association of the Chinese Academy of Sci-ences(No.2020194);Y.Li acknowledges financial support from the Shenyang National Laboratory for Materials Science.J.Lu gratefully acknowledges the support of the National Key R&D Program of China(No.2017YFA0204403);the Major Program of the National Natural Science Foundation of China(NSFC,No.51590892);the Hong Kong Collaborative Research Fund(CRF)Scheme(C4026-17W);Theme-Based Research Scheme(Ref.T13-402/17-N);Gen-eral Research Fund(GRF)Scheme(CityU 11247516,CityU 11209918,CityU 11216219);Shenzhen-Hong Kong Science and Technology Innovation Cooperation Zone Shenzhen Park Project(No.HZQB-KCZYB-2020030).Atom probe tomography research was conducted at the Inter-University 3D Atom Probe Tomography Unit of the City University of Hong Kong,which is supported by the CityU grant 9360161.
Refining grains into nanoscale can significantly strengthen and harden metallic materials;however,nanograined metals generally exhibit low thermal stability,hindering their practical applications.In this work,we explo...
关键词：Nanotwin Thermal stability HARDNESS Low-angle grain boundary MICROALLOYING 
Atomic scale visualizations of low-angle grain boundary mediated plasticity by coupled dislocation climb and glide in nanoporous gold被引量：1
《Nano Research》2023年第2期2622-2629,共8页Shufen Chu Junnan Jiang Xiaoran Zhao Baode Sun Pan Liu 
supported by the National Natural Science Foundation of China(Nos.52173224,52130105,and 51821001);Natural Science Foundation of Shanghai(No.21ZR1431200);the Program for Professor of Special Appointment(Eastern Scholar)at Shanghai Institutions of Higher Learning.
Grain boundaries(GBs),as a prevalent structural characteristic,play a crucial role in the deformation of nanoporous metals with nanosized grains and ligaments.However,the fundamental understanding of GB-mediated defor...
关键词：nanoporous gold dislocation climb dislocation glide low-angle grain boundaries 
Application of the Peierls–Nabarro Model to Symmetric Tilt Low-Angle Grain Boundary with Full Dislocation in Pure Magnesium
《Acta Metallurgica Sinica(English Letters)》2016年第11期1053-1063,共11页Tou-Wen Fan Xiu-Bo Yang Jiang-Hua Chen Ling-Hong Liu Ding-Wan Yuan Yong Zhang Cui-Lan Wu 
supported by the National Natural Science Foundation of China (Nos. 11427806, 51471067, 51371081, 51171063, 51501059 and 51501060);the National Basic Research (973) Program of China (No. 2009CB623704);the Chinese Postdoctoral Science Foundation (No. 2015M582324);the Hunan Provincial Natural Science Foundation (No. 14JJ4052);the Science and Technology Project for Good Postdoctoral Education of China (No. 2015RS4020)
Three types of symmetric （1120） tilt low-angle grain boundaries （LAGBs） with array of basal, prismatic, and pyramidal edge full 〈a〉 dislocations in pure Mg have been studied by using the improved Peierls-Nabarro...
关键词：Tilt grain boundary Generalized stacking fault energy Magnesium alloy DISLOCATION Peierlsstress 
Effect of dislocation structure evolution on low-angle grain boundary formation in 7050 aluminum alloy during aging
《International Journal of Minerals,Metallurgy and Materials》2015年第7期721-728,共8页Wei Gu Jing-yuan Li Yi-de Wang 
The effect of dislocation structure evolution on low-angle grain boundary formation in 7050 aluminum alloy during aging was studied by using optical microscopy, transmission electron microscopy, and electron backscatt...
关键词：aluminum alloys low-angle grain boundaries dislocation structure AGING dislocation density 
Precipitation sequence of η phase along low-angle grain boundaries in Al-Zn-Mg-Cu alloy during artificial aging被引量：3
《Transactions of Nonferrous Metals Society of China》2014年第7期2061-2066,共6页李茂华 杨延清 冯宗强 黄斌 罗贤 娄菊红 汝继刚 
Project(51071122)supported by the National Natural Science Foundation of China;Project(B08040)supported by the Program of Introducing Talents of Discipline to Universities,China("111"Project)
The precipitation sequence of η（MgZn2） phase along low-angle grain boundaries in Al-Zn-Mg-Cu alloy was investigated by examining samples aged at 135 ℃ for various times from 5 min to 6 h. High resolution transmiss...
关键词：Al-Zn-Mg-Cu alloy AGING low-angle grain boundaries grain boundary segregation precipitation sequence 
Modeling of Ni_4Ti_3 precipitation during stress-free and stress-assisted aging of bi-crystalline NiTi shape memory alloys
《Transactions of Nonferrous Metals Society of China》2012年第10期2578-2585,共8页柯常波 曹姗姗 马骁 张新平 
Project (50871039) supported by the National Natural Science Foundation of China;Project (2011ZB0007) supported by the Fundamental Research Funds for Central Universities of China;Project (201104090881) support by China Postdoctoral Science Foundation
The phase field method was applied to study the microstructure evolution of Ni4Ti3 precipitates during stress-free and stress-assisted aging of bi-crystalline NiTi shape memory alloys （SAMs） with two different initi...
关键词：NiTi shape memory alloy Ni4Ti3 precipitate low-angle grain boundary martensitic transformation phase field simulation 
δ′ Phase Precipitation at Low-angle Grain Boundary in Al-Li-Zn-Zr Alloy
《Journal of Materials Science & Technology》1990年第4期263-267,共5页蒋晓军 姚大平 李依依 
A large number of δ particles precipitated at low-angle grain boundaries have been observed by TEM in a dilute A1-Li-Zn-Zr alloy during ageing at the suitable temperatures.An explanation for this phenomenon was propo...
关键词：Al-Li alloy phase transformation PRECIPITATION 
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