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    题名 作者 年代 出处 被引量
1Microstructure and soft-magnetic properties of FeCoPCCu nanocrystalline alloys显示文摘Fe(83.2-x)CoxP(10)C6Cu(0.8)(x=0,4,6,8 and 10)alloys with a high amorphous-forming ability and good softmagnetic properties were successfully synthesized.Saturation magnetic flux density(Bs)is effectively enhanced from 1.53 T to 1.61 T for as-quenched alloy by minor Co addition,which is consistent well with the result of the linear relationship between average magnetic moment and magnetic valence.For Cocontained alloys,the value of corecivity(Hc)is mainly determined by magneto-crystalline anisotropy,while effective permeability(μe)is dominated by grain size and average saturation polarization.After proper heat treatment,the Fe(79.2)Co4P(10)C6Cu(0.8)nanocrystalline alloy exhibited excellent soft-magnetic properties including a high Bsof 1.8 T,a low Hcof 6.6 A/m and a highμeof 15,510,which is closely related to the high volume fraction of α-(Fe,Co)grains and refined uniform nanocrystalline microstructure.Long Hou Xingdu Fan Qianqian Wang Weiming Yang Baolong Shen 2019Journal of Materials Science & Technology2019,35,8:3
2The influence of Si substitution on soft magnetic properties and crystallization behavior in Fe_(83)B_(10)C_(6-x)Si_xCu_1 alloy system显示文摘In this study,the soft magnetic properties and crystallization behavior of Fe83B10C6-xSixCu1(x=0-4) nanocrystalline alloys prepared by annealing the melt-spun amorphous ribbons have been investigated.It is found that in the Fe83B10C6-xSixCu1 alloy system,the coercivity(Hc) decreases slightly with increasing Si addition and exhibits a minimum value with composition of x = 2,while the effective permeability(μe) shows an opposite variation trend.The saturation magnetic flux density(Bs) shows a slightly decreasing trend owing to the decreasing volume fraction of nanocrystalline phase.The Fe83B10C4Si2Cu1 nanocrystalline alloy exhibits excellent soft magnetic properties with a high B s of 1.78 T,high e of 13 600 and low Hc of 4A/m.FAN XingDu MEN He MA AiBin SHEN BaoLong 2012Science China(Technological Sciences)2012,55,9:1
3Design of FeSiBPCu soft magnetic alloys with good amorphous forming ability and ultra-wide crystallization window显示文摘The Fe_(81.3)Si_(4)B_(13–x)PxCu_(1.7) soft magnetic alloys with high Cu and proper P elements addition were synthesized with the aim of ensuring the amorphous forming ability(AFA)while expanding the crystallization window(CW).It is found that the atomic ratio of P/Cu of∼3 is advantageous for AFA whereas a small amount of P addition promotes the precipitation ofα-Fe grains and excessive P addition induces surface crystallization behavior of the present alloys.High Cu concentration can expand the annealing temperature(Ta)window whereas proper P addition effectively expands the annealing time(ta)window.The Fe_(81.3)Si_(4)B_(13-x)PxCu_(1.7) soft magnetic alloy was successfully synthesized with a large Ta window of up to 130°C and ta window of 90 min,which is a breakthrough for nanocrystalline alloys with high saturation magnetization.Microstructure analysis reveals that the ultra-wide CW is related to the unique nucleation mechanism,that is,theα-Fe grains are precipitated attaching to the Cu or CuP clusters and enveloping the Cu clusters,resulting in the high number density ofα-Fe nanocrystals.The ultra-wide CW promises the potential material in flexibly choosing the annealing process according to the performance.Xingdu Fan Tao Zhang Weiming Yang Junhua Luan Zengbao Jiao Hui Li 2023Journal of Materials Science & Technology2023,,16:0
4FePCCu nanocrystalline alloys with excellent soft magnetic properties显示文摘The effect of Cu addition on crystallization behavior and soft magnetic properties of Fe 84xP10C6 Cux (x= 0 1.15) alloys was investigated. Low-cost FePCCu nanocrystalline alloys dispersed with α-Fe phase with an average grain size of 15-35nm were obtained by appropriately annealing the melt-spun ribbons at 683K for 5min. The Fe 83.25P10C6Cu0.75 nanocrystalline alloy exhibits a high B s of 1.65T, low H c of 3.3A/m and high eat 1kHz of21 100, which is superior to the traditional FePC soft magnetic alloys. The core loss is as low as 0.32W/kg at1.0 T and 50Hz, which is 60% that of nonoriented Fe 6.5 mass% Si-steel. It is encouraging to synthesize this Fe-based nanocrystalline alloy with excellent soft-magnetic properties even using commercially industry-grade raw materials, which is promising for the future industrial applications.JIN YunLong FAN XingDu MEN He LIU XinCai SHEN BaoLong 2012Science China(Technological Sciences)2012,55,12:0
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