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of the 1?5 cell walls a nucleation mechanism at the 1?5 non-magnetic phase and 2?7 phase may be dominant. Key words: Sm2Co17 type high temperature permanent magnet; cellular structure; domain structure... 文献标识码:A Microstructure and coercivity mechanism of Sm2Co17 type high temperature rare-earth permanent magnets LI Li-ya, YI Jian-hong, GE Yi-cheng, PENG Yuan-dong......
Structure and magnetic properties of bulk nanocrystalline Nd-Fe-B permanent magnets prepared by hot pressing and hot deformation宋杰1,岳明1,左建华1,张子瑞1,刘卫强1,张东涛1,张久兴1,郭朝晖2,李卫21. College of Materials... properties were studied for bulk nanocrystalline Nd-Fe-B permanent magnets that were prepared at 650 °C for 3 min under 300 MPa using the SPS-3.20-MK-V sintering machine and the hot pressed magnets were......
Structure and magnetic properties of bulk nanocrystalline Nd-Fe-B permanent magnets prepared by hot pressing and hot deformation宋杰1,岳明1,左建华1,张子瑞1,刘卫强1,张东涛1,张久兴1,郭朝晖2,李卫21. College of Materials... properties were studied for bulk nanocrystalline Nd-Fe-B permanent magnets that were prepared at 650 °C for 3 min under 300 MPa using the SPS-3.20-MK-V sintering machine and the hot pressed magnets were......
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Article ID: 1003-6326(2005)03-0631-05 Numerical simulation for permanent mold centrifugal cast TiAl exhaust valve SHENG Wen-bin(盛文斌)1, 2, LI Dong(李 东)2 (1. Department of Mechanical... temperature of the mold, are suggested for the manufacture of permanent mold centrifugal cast TiAl exhaust valves. Key words: TiAl alloy; exhaust valve; permanent mold; mathematical model; off-center......
, KAMITANI A, TANAKA A. Numerical simulation of permanent magnet method: Influence of experimental conditions on accuracy of jC-distribution[J]. Physica C: Superconductivity and Its Applications, 2010... on spatial magnetic field emanated from permanent magnet based on magnetic-charge model[J]. Journal of University of Hydraulic and Electric Engineering, 2003, 25(5): 452-455. [14] 武海澄, 周荷琴, 刘正敏. 基于有限元方法的MRI永磁......
Fig. 6 Parameter of rectangular permanent magnet 图7 平面排列型磁系磁场 Fig. 7 Magnetic field of planar arrangement magnetic system 所模拟的平面N-S交替排列磁系(见图2)中l=4 cm,因此,cm-1,磁极中线AB上距离磁极中心表面的磁感应强度,其...] 刘鹏, 焦红光, 陈清如. 永磁高梯度磁选机的发展现状及解析[J]. 矿山机械, 2008, 36(21): 105-108.LIU Peng, JIAO Hong-guang, CHEN Qing-ru. Present status of development and analysis of permanent-magnet high gradient magnetic......
Investigation on mechanism of magnetization reversal for nanocrystalline Pr-Fe-B permanent magnets by micromagnetic finite element methods ZHAO Sufen1,ZHENG Bo1 (1.Department of Physics, Beihang University, Beijing 100083, China) Abstract:Magnetization configurations were calculated under various magnetic fields for nanocrystalline Pr-Fe-B permanent magnets by micromagnetic finite element......
Rare earth permanent magnets Sm2(Co,Fe,Cu,Zr)17 for high temperature applications WANG Jingdong1,PENG Long2,ZHANG Ming1,XU Guangliang3,YANG Qiuhui2,ZHANG Huaiwu2 (1.Southwest Institute of Applied... of Materials Science and Engineering, Southwest University of Science and Technology, Mianyang 621010, China) Abstract:Sintered Sm(CobalFexCu0.1Zr0.03)7.5 (x=0.09-0.21) permanent magnets with higher Fe......
J. Cent. South Univ. (2019) 26: 1830-1839 DOI: https://doi.org/10.1007/s11771-019-4137-0 Nested Newmark model to estimate permanent displacement of seismic slopes with tensile strength cut-off ZHOU... and input ground motions on permanent displacement. Neglecting the tensile strength can underestimate the permanent displacements of slopes. As the peak acceleration increases, the underestimation......
