Results 31 to 40 of about 80,652 (294)

Investigating the magnetic and mechanical properties of NdCeFe14B permanent magnets: Ab initio study [PDF]

MATEC Web of Conferences
Neodymium-based permanent magnets (Nd2Fe14B) are the potential permanent magnets for various applications in high-efficiency power conversion machines and devices such as wind turbines and electric vehicles.
Baloyi Mphamela, Diale Ramogohlo, Ngoepe Phuti, Chauke Hasani   +3 more
doaj   +1 more source

Innovative Hybrid Halbach Array for Steering Magnetic Nanoparticles Through a Bifurcation

Current 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

Energies, 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

Permanent magnets including undulators and wigglers

, 2011
After a few historic remarks on magnetic materials we introduce the basic definitions related to permanent magnets. The magnetic properties of the most common materials are reviewed and the production processes are described.
Bahrdt, J.
core   +1 more source

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

Journal 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, Shuai Cao, Yuhao Li, Zhi Jia, Yuheng Xie, Zhiwei Xiong, Shuangyu Zheng, Guangfei Ding, Shuai Guo, Renjie Chen, Aru Yan   +10 more
doaj   +1 more source

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

IEEE 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, Yongfang Deng, Penghua Zhu, Munan Yang, Fazhu Zhou   +4 more
doaj   +1 more source

Manganese-based Permanent Magnets

Metals, 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

Nanomaterials, 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, Cecilia Granados-Miralles, Patrick Kuntschke, César de Julián Fernández, Sergey Erokhin, Dmitry Berkov, Thomas Schliesch, Jose Francisco Fernández, Adrián Quesada   +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

Materials & 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, Ronghuan Xie, Qiye Li, Zifan Liu, Xiaodong Fan, Guangfei Ding, Shuai Cao, Bo Zheng, Shuai Guo, Renjie Chen, Aru Yan, Shaolong Tang   +11 more
doaj   +1 more source

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

Advances 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, Hong Gao, Peicheng Shi, Limin Niu   +3 more
doaj   +1 more source