Results 41 to 50 of about 128,916 (345)

Innovative Hybrid Halbach Array for Steering Magnetic Nanoparticles Through a Bifurcation

open access: yesCurrent Directions in Biomedical Engineering, 2023
Magnetic nanoparticles are used in a wide range of medical applications. However, the accurate steering of the particles through the vascular system is still an open research question.
Thalmayer Angelika S., Fischer Georg
doaj   +1 more source

Overview of Hybrid Excitation in Electrical Machines

open access: yesEnergies, 2022
Hybrid excitation is a technology that combines the advantages of field windings and permanent magnets for inducing magnetic flux. This article studies the benefits of hybrid excitation and provides an outlook on their possible applications, such as wind
Gustav Mörée, Mats Leijon
doaj   +1 more source

Macroscopic Simulation of Isotropic Permanent Magnets

open access: yes, 2015
Accurate simulations of isotropic permanent magnets require to take the magnetization process into account and consider the anisotropic, nonlinear, and hysteretic material behaviour near the saturation configuration.
Abert, Claas   +8 more
core   +2 more sources

Improvement of thermal stability by co-introducing Dy and Co with dual-alloy method in NdFeB magnets

open access: yesJournal of Materials Research and Technology
A dual-main-phase magnet with excellent thermal stability was prepared by co-mixing two types of magnetic powders, which was the conventional N55-grade powder without Dy elements, while the Co and Dy contents reached 50 wt% and 6 wt% respectively in ...
Xintong Yang   +10 more
doaj   +1 more source

Development of Mathematical Models in Explicit Form for Design and Analysis of Axial Flux Permanent Magnet Synchronous Machines

open access: yesApplied Sciences, 2020
This article proposes a methodology for the design of double-sided coreless axial flux permanent magnet synchronous machines, which is based on a developed model for calculating the axial component of the magnetic flux density in the middle of the ...
Franjo Pranjić, Peter Virtič
doaj   +1 more source

Optimization on Size of Halbach Array Permanent Magnets for Magnetic Levitation System for Permanent Magnet Maglev Train

open access: yesIEEE Access, 2021
A permanent magnet suspension (PMS) magnetic levitation (Maglev) system consisted of magnetic rail magnets and carriage magnets are investigated for PMS Maglev vehicle.
Yang Jiang   +4 more
doaj   +1 more source

Manganese-based Permanent Magnets

open access: yesMetals, 2015
There is a significant gap between the energy product, BH, where B is the magnetic flux density and H is the magnetic field strength, of both the traditional ferrite and AlNiCo permanent magnets of less than 10 MGOe and that of the rare earth magnets of ...
Ian Baker
doaj   +1 more source

Remanence Increase in SrFe12O19/Fe Exchange-Decoupled Hard-Soft Composite Magnets Owing to Dipolar Interactions

open access: yesNanomaterials, 2023
In the search for improved permanent magnets, fueled by the geostrategic and environmental issues associated with rare-earth-based magnets, magnetically hard (high anisotropy)-soft (high magnetization) composite magnets hold promise as alternative ...
Jesús Carlos Guzmán-Mínguez   +8 more
doaj   +1 more source

Origin of coercivity difference in Nd-Y-Fe-B single-main-phase and multi-main-phase magnets: Role of core–shell structures

open access: yesMaterials & Design
Nd-Fe-B magnets with 30 at.% Y substitution were prepared using single-main-phase (SMP) and multi-main-phase (MMP) techniques to investigate the differences in magnetic properties and microstructures between spontaneously formed core–shell structures in ...
Sining Fan   +11 more
doaj   +1 more source

Research on air suspension with novel dampers based on glowworm swarm optimization proportional–integral–derivative algorithm

open access: yesAdvances in Mechanical Engineering, 2018
In order to enhance automotive ride performance, permanent magnets and magnetic valves were introduced in magnetorheological dampers and hence permanent magnets and magnetic valves introduced in magnetorheological damper’s air suspension was studied ...
Ping Xiao   +3 more
doaj   +1 more source

Home - About - Disclaimer - Privacy