Results 11 to 20 of about 982,733 (162)

一种柔性磁扭型磁电传感器 [PDF]

open access: yes, 2015
本实用新型提供了一种柔性磁扭型磁电传感器,包括压电材料与永磁体,压电材料在厚度方向呈“三明治”层状结构,中间层为支撑层,上下两层均为柔性PVDF压电层,永磁体在外加磁场作用下产生磁扭力,通过接触带动压电材料弯曲变形产生电压输出。与现有技术相比,该柔性磁扭型磁电传感器具有较高的稳定性与磁电电压系数αME,尤其是外加磁场为低频时,磁电电压系数αME仍能保持较高值 ...
刘宜伟   +3 more
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磁性单元及其环式电永磁吸盘 [PDF]

open access: yes, 2017
本发明所提供的环式电永磁吸盘,包括外壳,及设于外壳内的至少一个磁性单元,所述外壳包裹磁性单元,并用螺丝进行固定,其中所述磁性单元包括可逆磁环、不可逆磁环、导磁板及励磁线圈,所述不可逆磁环镶嵌在可逆磁环内且两者的高度相等;所述导磁板固定地设置在所述可逆磁环与不可逆磁环相贴合的两个端面上;所述励磁线圈缠绕在不可逆磁环的外部,并相对于不可逆磁环包裹设置。本发明可进行双面作业,且工作时对工件的吸持作业不仅受力平衡 ...
胡晨, 林旻, 闫阿儒
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Flexible, Robust Transparent Conductive Films With Excellent Electromagnetic Shielding Properties

open access: yesRare Metals, Volume 45, Issue 8, August 2026.
ABSTRACT Transparent conductive films (TCFs) are indispensable components for next‐generation wearable electronics, intelligent robots, and electromagnetic interference (EMI) shielding devices. However, the fabrication of conventional random metallic mesh suffers from an inherent trade‐off between “randomness and controllability”.
Shanghao Lu   +5 more
wiley   +1 more source

SmCo基稀土永磁材料结构、磁性和磁化行为的研究 [PDF]

open access: yes, 2010
随着精密仪器应用范围的扩大,对其环境适应能力提出了更高的要求,其 中永磁体的高温磁性能和温度稳定性成为制约仪器应用的关键因素,因而需要研 制具有高磁性能和高温度稳定性的磁体。纳米晶沉淀硬化2:17型SmCo磁体由于 其高磁性能和高居里温度,是研制低温度系数磁体最理想对象。而1:7型纳米晶 SmCo磁体由于其良好的内禀磁特性,有望成为新一代高温永磁体。本论文通过 成分和工艺上的优化,制备出温度稳定性好同时具有较高磁性能的纳米晶沉淀硬 化2:17型SmCo磁体,系统研究了磁体的微观组织结构、元素分布 ...
刘壮
core  

High‐Throughput Development of Advanced Metallic Glasses via Compositionally Graded Thin‐Film Combinatorial Strategy

open access: yesRare Metals, Volume 45, Issue 8, August 2026.
ABSTRACT Advanced metallic glasses, leveraging their ultrahigh strength, excellent corrosion resistance, superior soft magnetic properties and good biocompatibility, have gradually become indispensable strategic cornerstones in critical fields such as aerospace, electronic information and energy power. This unique combination of properties enables them
Yizhou Liu   +11 more
wiley   +1 more source

提高Ce基永磁材料磁性能的方法 [PDF]

open access: yes, 2016
本发明公开了一种提高Ce基永磁材料磁性能的方法,包括:取纯度均大于99.9wt%的高纯Ce、Fe、B作为原材料,制成Ce基永磁速凝带;以及,对所述Ce基永磁速凝带进行热处理,热处理方式包括感应热处理和磁场热处理。进一步的,所述热处理方式包括依次进行的感应热处理和磁场热处理。其中,感应热处理的条件包括不同频段和温度,磁场热处理的条件包括不同磁场强度和温度。所述永磁材料包含Ce基速凝条带以及粉体。藉由本发明的方法可以有效提高Ce基永磁材料的磁性能,而且工艺简单,可控性好,得率高 ...
李东   +4 more
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Lattice Pre‐Expansion Facilitates Stable Sodium‐Ion Storage in Sn‐Based Anodes by High‐Throughput Fabrication

open access: yesRare Metals, Volume 45, Issue 8, August 2026.
ABSTRACT The low energy density of sodium‐ion batteries (SIBs) remains a major barrier to their large‐scale deployment. Alloy‐based anodes represent a promising class of materials owing to their high specific capacity and low operating potential for sodium storage. However, their practical application is hindered by severe volume expansion upon cycling.
Chen Wang   +10 more
wiley   +1 more source

Co/Fe/Pt(111)的磁性研究 [PDF]

open access: yes, 2011
[[abstract]]我們利用表面磁光柯爾效應儀(SMOKE)探測鐵超薄膜在純白金以及鈷超薄膜在鐵與白金所形成的磁性基底上磁性隨著薄膜厚度的變化。 Fe在Pt(111)上的成長,其磁性和薄膜厚度的關係受外加磁場的大小影響而有所不同,利用小磁場可以測得磁化易軸位於in plane方向,隨層數增加到3 ML也是。1 ML Fe/Pt(111)經退火效應後在室溫測量磁滯訊號,發現只有在Longitudinal方向有值,當退火溫度到600 K?650 K時,有SRT發生,800 K時磁滯曲線消失。低溫成長的1
何淙潤
core  

Multimodal Deep Learning‐Assisted Microstructural Evaluation System for Sintered NdFeB Magnets

open access: yesRare Metals, Volume 45, Issue 8, August 2026.
ABSTRACT The performance of sintered NdFeB magnets, especially coercivity, is critically determined by their complex microstructure. However, a quantitative microstructural evaluation system (MES) is much needed but has long been missing in the community.
Zihao Wang   +8 more
wiley   +1 more source

一种磁各向异性可调控的大面积柔性磁性薄膜的制作设备 [PDF]

open access: yes, 2016
本发明提供了一种磁各向异性可调控的大面积柔性磁性薄膜的制作设备。该设备包括真空镀膜腔、镀膜装置、薄膜传送装置以及应力调整转子;工作状态时,柔性衬底经薄膜传送装置在真空镀膜腔中传送,传送过程中与应力调整转子接触,受到应力调整转子的应力作用,通过镀膜装置在应力作用下的柔性衬底表面镀磁性薄膜。利用该设备制作柔性磁性薄膜的工艺简单易行、无需外加磁场,大大减少了成本,并且制作效率高,能够大面积制作柔性磁性薄膜,制得的柔性磁性薄膜不仅具有大的磁各向异性 ...
唐振华   +6 more
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