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REPETITIVE: 作品数：180被引量：425H指数：11; 导出分析报告; 相关领域：医药卫生更多>>; 相关作者：高阳张菊梅吴清平杨宁叶应旺更多>>; 相关机构：石河子大学上海交通大学首都医科大学广东环凯微生物科技有限公司更多>>; 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国家高技术研究发展计划广东省自然科学基金更多>>

Influence of Repetitive Impulse Waveforms on Surface Discharge Characteristics and Insulation Life for Polyimide Film: 《CSEE Journal of Power and Energy Systems》2024年第2期746-755,共10页Zhiyun Han Qingmin Li Yujin Guo Tao Liu Guojing Dong Hanwen Ren; supported by the National Natural Science Foundation of China(51929701,52207153);Fundamental Research Funds for the Central Universities(2023JC005).; Accelerated insulation aging problems under high frequency repetitive impulses in power electronic transformers are drawing more and more attention in modern power systems. Partial discharge (PD) characteristics inclu...; 关键词：Insulation life polyimide film power electronic transformer repetitive impulse surface discharge characteristics

Study of metal-ceramic WC/Cu nano-wear behavior and strengthening mechanism被引量：1: 《Chinese Physics B》2023年第4期549-560,共12页郑敏陈杰朱宗孝曲定峰陈卫华吴卓王林军马学忠; Project supported by the National Natural Science Foundation of China(Grant No.52005236);the Natural Science Foundation of Gansu Province,China(Grant No.20JR5RA442)。; In view of the inherent poor tribological properties of copper,the reinforcement of copper matrix composites with WC particles presents a promising research area with significant industrial influence.Therefore,in the ...; 关键词：molecular dynamics repetitive friction copper matrix composites REINFORCEMENT

Microstructural evolution and thermal fatigue damage mechanism of second-phase dispersion strengthened tungsten composites under repetitive thermal loads被引量：1: 《Journal of Materials Science & Technology》2023年第9期221-232,共12页Hui Wang Zhuoming Xie Xiang Cheng Ke Jing Linchao Zhang Junfeng Yang Rui Liu Le Han Lei Cao Xianping Wang Qianfeng Fang Changsong Liu Xuebang Wu; supported by the National Key Research and Development Program of China(Nos.2019YFE03110200,2017YFE0302400,and 2019YFE03120001);the National Natural Science Foundation of China(Nos.11735015,52171084,52173303,U1967211);Anhui Provincial Natural Science Foundation(No.1908085J17);the HFIPS Director’s Fund(Nos.YZJJZX202012,YZJJ202206-CX,BJPY2021A05).; In a fusion reactor,plasma-facing tungsten(W)materials inevitably suffer severe thermal shock,and the performance of W materials under repetitive high heat loads is one of the key concerns for long-term stable operati...; 关键词：TUNGSTEN Thermal loads Microstructure Particle shedding Mechanical properties

Streamer‐to‐precursor transition in N_(2)-SF_(6)mixtures under positive repetitive submicrosecond pulses被引量：2: 《High Voltage》2022年第2期382-389,共8页Zheng Zhao Zhifeng Dai Anbang Sun Jiangtao Li; supported by the National Natural Science Foundation of China(52077168,51777164).; The evolution of discharge dynamics in N_(2)-SF_(6)mixtures under long‐term repetitive submicrosecond pulses is investigated based on pulse‐sequence resolved electrical and optical diagnostics.The effects of gas pre...; 关键词：BREAKDOWN TRANSITION second

Influence of N_(2)pressure on surface discharge characteristics of PEEK under positive repetitive square voltage被引量：2: 《High Voltage》2021年第5期793-804,共12页Ye Li Xuebao Li Wei Meng Zhibin Zhao Xiang Cui; supported by National Natural Science Foundation of China-State Grid Corporation Joint Fund for Smart Grid under Grant U1766219。; PEEK(polyetheretherketone)and N_(2)are used in the packaging of high‐voltage power electronics as the frame material and insulation gas,respectively.The surface discharge behaviours of PEEK in N_(2)under positive rep...; 关键词：BIPOLAR surface CHARACTERISTICS

Microstructural evolution and mechanical properties of Mg-9.8Gd-2.7Y-0.4Zr alloy produced by repetitive upsetting被引量：7: 《Journal of Materials Science & Technology》2018年第7期1067-1075,共9页H.Zhou H.Y.Ning X.L.Ma D.D.Yin L.R.Xiao X.C.Sha Y.D.Yu Q.D.Wang Y.S.Li; supported by the National Key R&D Program of China (grant number 2017YFA0204403);the National Natural Science Foundation of China (NSFC) under Grant Nos. 51601003, 51301092, 51404151, 51401172;Project supported by Beijing Postdoctoral Research Foundation under Grant No. 2016ZZ-02;Project of Science & Technology Department of Sichuan Province (No. 2015HH0012); A newly developed severe plastic deformation （SPD） technique, i.e. repetitive upsetting （RU）, is employed to improve the strength and ductility of a Mg-Gd-Y-Zr alloy. During the RU processing, dynamic recrystalliz...; 关键词：Severe plastic deformation （SPD） Repetitive upsetting （RU） Mg-RE alloy Mechanical properties

Effect of homogenization on the microstructure and mechanical properties of the repetitive-upsetting processed AZ91D alloy: 《Journal of Materials Science & Technology》2017年第9期935-940,共6页Li Zhang Qudong Wang Wenjun Liao Wei Guo Bing Ye Haiyan Jiang Wenjiang Ding; sponsored by the National Natural Science Foundation of China (NSFC) under Grant No. 51374145;the Science and Technology Commission of Shanghai Municipality under Grant No. 09JC1408200; The current research investigates the effect of homogenization on the microstructure and mechanical properties of the AZ91 D alloy processed by repetitive upsetting（RU）. Results show that during RU processing, the i...; 关键词：Repetitive upsetting Magnesium alloy Microstructure PRECIPITATES Mechanical properties

Evolution of microstructure and texture in copper during repetitive extrusion-upsetting and subsequent annealing被引量：6: 《Journal of Materials Science & Technology》2017年第7期690-697,共8页Q.Chen D.Y.Shu J.Lin Y.Wu X.S.Xia S.H.Huang Z.D.Zhao O.V.Mishin G.L.Wu; supported by the Chongqing Research Program of Basic Research and Frontier Technology (No. cstc2015jcyj BX0115);support of the “111” Project (B16007) by the Ministry of Education and the State Administration of Foreign Experts Affairs of China;the National Natural Science Foundation of China (Nos. 51471039, 51421001); The evolution of the microstructure and texture in copper has been studied during repetitive extrusionupsetting（REU） to a total von Mises strain of 4.7 and during subsequent annealing at different temperatures. It i...; 关键词：Severe plastic deformation Repetitive extrusion-upsetting Copper Deformation microstructure Texture Annealing

Improving the Reliability of a Domestic Refrigerator Compressor Subjected to Repetitive Loading: 《Engineering（科研）》2016年第3期99-115,共17页Seong-Woo Woo Dennis L. O’Neal; As a reliability quantitative specification, parametric accelerated life testing was used to assess the reliability of a newly designed compressor of a commercial refrigerator subjected to repetitive stresses. A gener...; 关键词：Refrigeration System Generalized Life-Stress Failure Model Load Analysis Sample Size Equation Acceleration Factor Parametric Accelerated Life Testing COMPRESSOR Suction Reed Valve

Microstructure and mechanical properties of AZ61 magnesium alloy prepared by repetitive upsetting-extrusion被引量：11: 《Transactions of Nonferrous Metals Society of China》2015年第2期381-388,共8页徐岩胡连喜孙宇贾建波姜巨福马庆国; Project(51075098)supported by the National Natural Science Foundation of China;Project(HIT.NSRIF.2014006)supported by the Fundamental Research Funds for the Central Universities,China; The process of repetitive upsetting-extrusion （RUE） was used to achieve severe plastic deformation （SPD） for an as-cast AZ61 magnesium alloy in temperature range of 285-380 ℃. The microstructure and mechanical pr...; 关键词：AZ61 magnesium alloy repetitive upsetting-extrusion severe plastic deformation groin refinement mechanicalproperties

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