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DEFORMED: 作品数：420被引量：551H指数：9; 导出分析报告; 相关领域：一般工业技术理学金属学及工艺更多>>; 相关作者：侯伯宇李映华杨文力杨柳青杨延清更多>>; 相关机构：西南大学中国科学技术大学西北大学西北工业大学更多>>; 相关期刊：更多>>; 相关基金：国家自然科学基金国家重点基础研究发展计划中国博士后科学基金高等学校学科创新引智计划更多>>

Grain boundary construction and properties enhancement for hot deformed(Ce,La,Y)-Fe-B magnet by a two-step diffusion process被引量：3: 《Journal of Materials Science & Technology》2023年第34期253-261,共9页Xuefeng Liao Weiwei Zeng Lizhong Zhao Qing Zhou Jiayi He Wei Li Xiangyi Liu Hongya Yu Xiaolian Liu Haoyang Jia Jean-Marc Greneche Xuefeng Zhang Zhongwu Liu; the National Key Research and Development Program of China(Nos.2022YFB3505004,2022YFB3503400 and 2022YFB3503401);the National Natural Science Foundation of China(Nos.52071143,52171175,U21A2052,and U1908220);the Key R&D project of Zhejiang Province(Nos.2023C01077 and 2021C01023);the Guangdong Basic and Applied Basic Research Foundation(Nos.2023A1515010431 and 2022A1515011453);the GDAS Project of Science and Technology Development(Nos.2019GDASYL-0103067,2022GDASZH-2022010104,and 2022GDASZH-2022030604-04);the China Postdoctoral Science Foundation funded project(2022M720845).; The rare earth-iron-boron magnets based on high abundance rare earths(REs)show potential for costeffective permanent magnets but their hard magnetic properties have to be greatly improved.The grain boundary diffusion ...; 关键词：High abundance rare earth Hot deformed RE-Fe-B magnets Grain boundary diffusion process Magnetic properties Grain boundary phase

Microstructure evolution of hot-deformed SmCo-based nanocomposites induced by thermo-mechanical processing被引量：3: 《Journal of Materials Science & Technology》2023年第7期193-202,共10页Yuan Teng Yuqing Li Xiaochang Xu Ming Yue Weiqiang Liu Dongtao Zhang Hongguo Zhang Qingmei Lu Weixing Xia; This work was financially supported by the National Key R&D Program of China(No.2021YFB3500300);the National Natural Science Foundation of China(Nos.51931007,51871005,and 51801005);the Key Program of Science and Technology Development Project of Beijing Municipal Education Commission of China(No.KZ202010005009);the Chaoyang District Postdoctoral Research Foundation(No.2021ZZ-36);the International Research Cooperation Seed Fund of Beijing University of Technology(No.2021B23).; Nanocomposite permanent magnets have ultra-high theoretical magnetic energy products,due to cou-pling of the soft/hard magnetic phases,inciting strict microstructural requirements.In this study,the microstructure evol...; 关键词：NANOCOMPOSITES Phase transition Microstructure C-axis texture Hot deformation

Effect of Nb doping on microstructure and magnetic properties of hot-deformed Nd-Fe-B magnets with Nd-Cu eutectic diffusion被引量：4: 《Journal of Materials Science & Technology》2022年第27期121-127,共7页Tingting Song Xin Li Xu Tang Wenzong Yin Yang Luo Dunbo Yu Wenlong Yan Jinyun Ju Renjie Chen Aru Yan; supported by the Major Project of“Science and Technology Innovation 2025 in Ningbo City(Nos.2020Z064,2019B10093);the Basic research expenses for provincial universities of Zhejiang Ocean University(No.2019J00036);the Talent introduction research fund of Zhejiang Ocean University(Nos.xjrcyj201801,11045091021)。; To restrict grain growth in coarse grain regions caused by the diffusion of Nd-Cu eutectic alloys,the Nb element was introduced into the precursor alloy to regulate the microstructure of melt-spun powder and die-upset...; 关键词：ND-FE-B Hot deformation DIFFUSION Nb-doping COERCIVITY

Special tetrahedral twins in a cryogenically deformed CoCrFeNi high-entropy alloy: 《Journal of Materials Science & Technology》2022年第5期129-136,共8页Wei Li Hanyang Liu Peihua Yin Wei Yan Wei Wang Yiyin Shan Ke Yang; sponsored by Youth Innovation Promotion Association of Chinese Academy of Sciences(2017233);National Natural Science Foundation of China Research Fund for International Young Scientists(No.51750110515);National Natural Science Foundation of China(No.51472249)。; 1.Introduction Equimolar multicomponent design and maximized configurational entropy cause high-entropy alloys(HEAs)to have outstanding mechanical performance over a large temperature range from cryogenic temperatures...; 关键词：CRYOGENIC alloy DEFORMATION

Structure evolution of the Fe_(3)C/Fe interface mediated by cementite decomposition in cold-deformed pearlitic steel wires被引量：7: 《Journal of Materials Science & Technology》2022年第6期28-36,共9页Y.T.Zhou X.H.Shao S.J.Zheng X.L.Ma; financially supported by the National Natural Science Foundation of China (No. 51501195);the Fund of SYNL。; Cold-drawn pearlitic steel wire is irreplaceably used in industry owing to its outstanding mechanical property which is dominated by the cementite/ferrite(Fe_(3)C/Fe) interfaces in the material. However, the fine stru...; 关键词：Pearlitic steel Cementite decomposition Interface structure Deformation Transmission electron microscopy

The dislocation structure of slip bands in deformed high entropy alloy nanopillars被引量：1: 《Journal of Materials Science & Technology》2021年第36期136-144,共9页Qun Yang Yang Hu Jian-Min Zuo; supported by the U.S.National Science Foundation(No.DMR-1410596 to J.M.Z);supported by the centre for High-resolution Electron Microscopy(ChEM)of SPST at Shanghai Tech University(No.EM02161943)。; Remarkable diversity is observed in dislocation interactions that are responsible for intermittent and sudden crystal slips.While large crystal slips can be easily observed on the surface of deformed crystals,unraveli...; 关键词：Crystal plasticity Dislocation structure NANOPILLARS High entropy alloy Slip band Transmission electron microscopy

Stabilizing a severely deformed Al-7Mg alloy with a multimodal grain structure via Mg solute segregation被引量：1: 《Journal of Materials Science & Technology》2021年第30期141-149,共9页Min Zha Hong-Min Zhang Xiang-Tao Meng Hai-Long Jia Shen-Bao Jin Gang Sha Hui-Yuan Wang Yan-Jun Li Hans J.Roven; financially supported by the National Natural Science Foundation of China(Nos.51922048,51790483 and 51871108);the Changjiang Scholars Program(No.T2017035)。; Single-phase Al-Mg alloys processed by severe plastic deformation(SPD)usually suffer from unsatisfactory thermal stability at moderate to high temperatures with recrystallization occurring and obvious grain coarsening...; 关键词：Al-Mg alloys ECAP Multimodal grain structure Solute segregation Thermal stability

Methods and mechanisms for uniformly refining deformed mixed and coarse grains inside a solution-treated Ni-based superalloy by two-stage heat treatment被引量：9: 《Journal of Materials Science & Technology》2021年第18期47-57,共11页Guan-Qiang Wang Ming-Song Chen Hong-Bin Li Y.C.Lin Wei-Dong Zeng Yan-Yong Ma; the National Natural Science Foundation of China(No.51975593);the Hunan Provincial Natural Science Foundation of China(No.2020JJ4113);the Science and Technology Innovation Planning Project of Hunan Province(No.2019XK2301)。; The uniform refinement mechanisms and methods of deformed mixed and coarse grains inside a solution-treatment Ni-based superalloy during two-stage annealing treatment have been investigated.The two-stage heat treatmen...; 关键词：Ni-based superalloy Aging annealing Recrystallization annealing Grain refinement Microstructural evolution Mixed grain microstructure

Analysis on deformation and texture formation mechanism of hot-deformed Nd-Fe-B magnets based on heterogeneous structure evolution被引量：2: 《Journal of Materials Science & Technology》2021年第21期28-35,共8页Yuyang Tang Yuqing Li Xiaochang Xu Ming Yue Weiqiang Liu Hongguo Zhang Qingmei Lu Weixing Xia; supported by the Beijing Natural Science Foundation under Grant(2202005);the Natural Science Foundation of China(No.51331003,No.51931007);the General Program of Science and Technology Development Project of Beijing Municipal Education Commission of China under Grant(KM201710005006);the International S&T Cooperation Program of China under Grant2015DFG52020;the Program of Top Disciplines Construction in Beijing under GrantPXM2019014204500031。; In this paper, microstructure, micromagnetic structure, texture, together with magnetic properties of the hot-deformed(HD) Nd-Fe-B magnets were systematically studied to understand the deformation process and the form...; 关键词：Hot-deformed Nd-Fe-B magnet Heterogeneous microstructure Deformation mechanism C-axis texture COERCIVITY

Abnormal orientation relation between fcc and hcp structures revealed in a deformed high manganese steel被引量：2: 《Journal of Materials Science & Technology》2021年第1期156-161,共6页Pan Xie Shucheng Shen Cuilan Wu Jianghua Chen; supported financially by the National Natural Science Foundation of China(Nos.51801060,51831004,11427806 and 51671082);the China Postdoctoral Science Foundation(No.2019M652756);the National Key Research and Development Program of China(No.2016YFB0300801);the China Scholarship Council(No.201606130008)。; The crystallography of phase transformation is an important issue for studying metallic alloys.Here,we demonstrate an abnormal orientation relation between face-centered cubic(fcc) and hexagonal closepacked(hcp) phase...; 关键词：Phase transformation Invariant line Habit plane Interface High-manganese steels

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