云南高校图书馆联盟文献共享服务平台- SMCO

SMCO: 作品数：124被引量：145H指数：5; 导出分析报告; 相关领域：一般工业技术电气工程更多>>; 相关作者：岳明张东涛张久兴刘卫强许刚更多>>; 相关机构：北京工业大学中南大学钢铁研究总院中国科学院更多>>; 相关期刊：更多>>; 相关基金：国家自然科学基金北京市自然科学基金国家高技术研究发展计划国家教育部博士点基金更多>>

非磁性轻元素掺杂SmCo_(5)的第一性原理研究: 《福建师范大学学报(自然科学版)》2025年第3期72-79,共8页林献刘睿琪罗家榆付刚王金磊陈越郑勇平张健敏黄志高; 国家自然科学基金资助项目(11874113);福建省高校产学研联合创新项目(2020H06027);福建省技术创新重点攻关及产业化项目(校企联合类)(2023XQ010);福建省长汀金龙稀土有限公司委托技术开发项目(CJWN-1A23201)。; 元素掺杂通常能够有效改变化合物电子结构并优化其物理性质。利用第一性原理计算方法研究了非磁性轻元素H、B、C、N、O、F的掺杂对SmCo_(5)材料物性的影响。结果表明,H、O、F的掺杂体系掺杂形成能为负值,有利于提升其热力学稳定性,而B、...; 关键词：SmCo_(5) 第一性原理计算非磁元素掺杂电子结构磁性

Deformation behavior of SmCo nanograin magnets via amorphization and recrystallization: 《Journal of Rare Earths》2025年第4期758-765,I0005,共9页Wei Quan Longfei Ma Yanbai Chen Niuniu Wang Hubin Luo Qiang Zheng Juan Du; supported by the National Key R&D Program of China (2023YFB3507601);the National Natural Science Foundation of China(52171184,U23A20549)。; In recent years,high coercivity nanocrystalline magnets based on the critical single domain size theory have received increasing attention.However,nanocrystalline magnets are difficult to enhance the remanent magnetiz...; 关键词：Rare earths SmCo permanent magnet Phase transformation Molecular dynamics simulation Deformation texture

热压烧结工艺对SmCo_(7)/α-(FeCo)复合永磁材料的结构和磁性能的影响: 《广州化工》2024年第20期84-88,共5页徐刚徐成刘青山朱晓宇何嵘竹文坤熊政伟; 四川省科技厅攀西专项项目(高性能稀土钴永磁材料制备关键技术及产业化)。; 通过传统粉末冶金技术,结合热压烧结法制备了SmCo_(7)/α-(FeCo)复合永磁材料,研究了热压烧结工艺对其磁性能的影响规律。在固定压力100 MPa下,调控热压烧结温度由800℃升高到1000℃,SmCo_(7)/α-(FeCo)合金的相组成由三相变为两相;其...; 关键词：热压温度 SMCO 相组成磁性能

Coercivity mechanism of high-performance anisotropic heterostructure SmCo_(5)magnets: 《Journal of Rare Earths》2024年第10期1882-1888,共7页Yuan Teng Yuqing Li Weiqiang Liu Xiaochang Xu Zhanjia Wang Jianjun Yang Dongtao Zhang Hongguo Zhang Qingmei Lu Qiong Wu Weixing Xia Ming Yue; Project supported by the National Key Research and Development Program of China(2021YFB3500300);the National Natural Science Foundation of China(51931007,51871005,52201212,52271161);General Program of Science and Technology Development Project of Beijing Municipal Education Commission of China(KM201710005006);the Program of Top Disciplines Construction in Beijing(PXM2019_014204_500031)。; Due to its large magnetocrystalline anisotropy field and high Curie temperature,SmCo-based magnets are irreplaceable in high-temperature applications,The hot-deformed SmCo-based magnets are especially attractive for t...; 关键词：Permanent magnet HETEROSTRUCTURE Rare earths Coercivity mechanism Hot-deformed SmCo magnet

Effect of antioxidants on the efficiency of jet milling and the powder characteristics of Sm2Co17 permanent magnets: 《Chinese Physics B》2024年第9期615-620,共6页Da-Shuai Xu Lei Liu Jian-Hui Yuan Bo Zhou Chuang-Hui Dong Feng-Qing Wang Yong Ding Ying-Li Sun A-Ru Yan; the National Key R&D Program of China(Grant No.2021YFB3803003);the Youth Innova-tion Promotion Association of Chinese Academy of Sciences(Grant No.2023311);Zhejiang Public Welfare Technology Application Research Project(Grant No.LGG22E010013);Class III Peak Discipline of Shanghai-Materials Science and Engineering(High-Energy Beam Intelligent Processing and Green Manufacturing).; This study investigated the effect of antioxidants on the grinding efficiency,magnetic powder characteristics,microstructure,and magnetic properties of 2:17 type SmCo permanent magnet materials.The results show that a...; 关键词：ANTIOXIDANT SmCo permanent magnet oxidation resistance grinding efficiency

2:17-type SmCo permanent magnets with controllable remanence temperature coefficients via substitution of heavy rare earth elements被引量：1: 《Rare Metals》2024年第8期3990-3996,共7页Jia-Yi Huang Shu-Lan Zuo Qi Zhang Hong-Yang Dai Lei Yang Jing-Hua Liu Cheng-Bao Jiang; financially supported by the National Key R&D Program of China (Nos.2021YFB3501600 and 2022YFB 3505302);the National Natural Science Foundation of China (Nos.52121001 and 52031001);the Young Elite Scientists Sponsorship Program by CAST (No.2023QNRC001)。; Permanent magnets that can maintain a constant magnetic flux over a wide temperature range are highly desirable in certain applications such as precision instruments.2:17-type SmCo permanent magnets are promising for ...; 关键词：MAGNETS PERMANENT EARTH

Strategy of preparing SmCo based films with high coercivity and remanence ratio achieved by temperature and chemical optimization: 《Journal of Rare Earths》2024年第7期1289-1297,I0004,共10页Yansong Gong Zhaoguo Qiu Sizhe Liang Xinrui Zheng Hongxia Meng Zhigang Zheng Deyang Chen Shengfu Yuan Weixing Xia Dechang Zeng J.P.Liu; Project supported by the National Key R&D Program of China(2022YFB3505700,2022YFB3807900);National Natural Science Foundation of China(51901079);R&D(Research and Development)Plan in Key Areas of Guangdong Province(SDZX2021002,212021032611700001);Natural Science Foundation of Guangdong Province(2020A1515010736,2021A1515010451);the Guangzhou Municipal Science and Technology Program(202007020008)。; SmCo based films with excellent intrinsic magnetic properties have promising applications in micro-electro-mechanical system(MEMS).However,due to the complexity of phase composition and uncontrollable crystallization ...; 关键词：Rare earths SmCo based films Phase composition Crystallization conditions COERCIVITY Remanence ratio

行星式球磨工艺参数对SmCo_(5)粉体磁性能的影响研究: 《功能材料》2024年第2期2224-2229,共6页李奎安士忠李邦振赵金龙任凤章; 国家自然科学基金项目(51701066);河南省重点研发与推广专项-科技攻关(232102231019);国家级大学生创新创业训练计划项目(202310464008)。; 纳米晶SmCo_(5)粉体具有高矫顽力和强磁耦合的优点,是制备纳米复合永磁材料使用最广泛的硬磁材料之一。采用表面活性剂辅助球磨法制备SmCo_(5)微纳米片,采用行星式球磨机,系统研究了球磨时间、球料比和表面活性剂含量对SmCo_(5)粉体的...; 关键词：表面活性剂行星式球磨球磨工艺 SmCo_(5)粉体形貌磁性能

过渡金属元素掺杂对SmCo_(3)合金结构和磁性能影响的第一性原理计算: 《物理学报》2024年第3期250-257,共8页严志方诚王芳许小红; 国家重点研发计划(批准号:2022YFB3505301);国家自然科学基金(批准号:12304148);山西省自然科学基金(批准号:202203021222219);中国博士后科学基金(批准号:2023M731452)资助的课题。; 在稀土永磁材料中,Sm-Co基合金具有优异的高温磁性能,是目前最有发展前景的永磁材料.然而,这些合金在高温环境的实际应用中,由于其相对较低的饱和磁化强度和结构稳定性而受到限制.本研究采用Fe,Ni,Cu,Zr作为代表的过渡金属元素,通过第...; 关键词：SmCo_(3)型永磁合金第一性原理计算过渡元素掺杂综合磁性能

柔性衬底提供的机械应变对非晶SmCo薄膜磁性的调控: 《稀有金属材料与工程》2024年第2期345-349,共5页梁文会王雨桐苏鉴章明胡凤霞张健刘艳丽任瀚洋王晶沈保根; National Key Research and Development Program of China (2022YFB3505201, 2021YFB3501202);National Natural Science Foundation of China (52088101, 92263202)。; 将非晶SmCo薄膜沉积在弯曲的柔性聚对苯二甲酸乙二醇酯(PET)衬底上,薄膜厚度范围为10~150nm。薄膜沉积结束后,当PET衬底从凹/凸变平时,非晶SmCo薄膜受到拉伸/压缩应变。结果表明,应变既可以调控SmCo/PET的剩余磁化强度,也可以调控其磁...; 关键词：非晶SmCo薄膜柔性衬底应变磁性

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