Results 41 to 50 of about 31,737 (275)

From the Discovery of the Giant Magnetocaloric Effect to the Development of High‐Power‐Density Systems

Advanced Materials Technologies, EarlyView.
The article overviews past and current efforts on caloric materials and systems, highlighting the contributions of Ames National Laboratory to the field. Solid‐state caloric heat pumping is an innovative method that can be implemented in a wide range of cooling and heating applications.
Agata Czernuszewicz, Yaroslav Mudryk, Jun Cui, Lucas Griffith, Duane D. Johnson, Julie Slaughter   +5 more
wiley   +1 more source

Distribution of Non-uniform Demagnetization Fields in Paramagnetic Bulk Solids

, 2011
A general calculation for the distribution of non-uniform demagnetization fields in paramagnetic bulk solids is described and the fields for various sample geometries are calculated.
A. Timothy Royappa, Abragam A., Ashcroft N. W., Carter G. C., Florentina Tone, Guoqing Wu, Laszlo Ujj, Ross Dickinson, Slichter C. P.   +8 more
core   +1 more source

Magnetohydrodynamic properties of incompressible Meissner fluids [PDF]

, 2007
We consider a superconducting material that exists in the liquid state, more precisely, in which the Meissner-Ochsenfeld effect persists in the liquid state.
A. Maeyens, Babaev, Birch, Cape, J. Tempere, Jaffe, Klemens, Liu, Liu, Tao, Tao   +10 more
core   +2 more sources

A Novel Method for Automatically and Accurately Diagnosing Demagnetization Fault in Direct-Drive PMSMs Using Three PNNs

Applied Sciences
Direct-drive permanent magnet synchronous machines (DDPMSMs) have recently become an ideal candidate for applications such as military, robotics, electric vehicles, etc.
Yiyong Xiong, Jinghong Zhao, Sinian Yan, Kun Wei, Haiwen Zhou   +4 more
doaj   +1 more source

Performance comparison between rotor flux-switching and stator flux-switching machines considering local demagnetization

AIP Advances, 2017
This paper investigates the local permanent magnet (PM) demagnetization characteristics of stator-PM flux-switching (SPM-FS) machine and rotor-PM flux-switching (RPM-FS) machine.
Peng Su, Wei Hua
doaj   +1 more source

Magnetic Textiles: A Review of Materials, Fabrication, Properties, and Applications

Advanced Materials Technologies, EarlyView.
Magnetic textiles (M‐textiles) are emerging as a programmable materials platform that merges magnetic matter with hierarchical textile structures. This article consolidates magnetic material classes, textile architectures, and fabrication and magnetization strategies, revealing structure–property–function relationships that govern magneto‐mechanical ...
Li Ke, Moses Kumi, Xiaoming Tao, Junhong Pu   +3 more
wiley   +1 more source

Strong‐Magnetic Flexible Composites for Magnetically Responsive Soft Robots

Advanced Robotics Research, EarlyView.
This perspective provides an overview of the performance mechanisms, preparation methods, and applications of strong magnetic flexible composite materials in soft actuators (such as gripping, movement, and sensing), and further explores current opportunities and challenges.
Wenwen Li, Shuai Liu, Xinyi Wang, Xinglong Gong, Shouhu Xuan   +4 more
wiley   +1 more source

Barkhausen Noise and Critical Scaling in the Demagnetization Curve

, 2002
The demagnetization curve, or initial magnetization curve, is studied by examining the embedded Barkhausen noise using the non-equilibrium, zero temperature random-field Ising model.
A. Berger, F. Colaiori, J.H. Carpenter, J.P. Sethna, J.P. Sethna, John H. Carpenter, K. Dahmen, Karin A. Dahmen, L. Dante, M.C. Kuntz, O. Perković, O. Perković, P. Bak, P. Cizeau, S. Zapperi, S. Zapperi   +15 more
core   +1 more source

Plio-Pleistocene time-averaged field in southern Patagonia recorded in lava flows [PDF]

, 2004
Paleomagnetic directions were obtained from stepwise alternating-field or thermal demagnetization of 53 lava flows from southern Patagonia (latitudes 49.5°-52.1 °S) that include the Pali-Aike volcanic field and the Meseta Viscachas plateau lavas.
Mejia, V., Opdyke, N. D., Singer, B. S., Stoner, J. S., Vilas, Juan Francisco A.   +4 more
core   +1 more source

Hard‐Magnetic Soft Millirobots in Underactuated Systems

Advanced Robotics Research, EarlyView.
This review provides a comprehensive overview of hard‐magnetic soft millirobots in underactuated systems. It examines key advances in structural design, physics‐informed modeling, and control strategies, while highlighting the interplay among these domains.
Qiong Wang, Zixuan Zhang, Bingyan Li, Junkai Wang, Hongcheng Gu   +4 more
wiley   +1 more source