A review of radiation-induced demagnetization of permanent magnets

AJ Samin - Journal of Nuclear Materials, 2018 - Elsevier
Radiation-induced demagnetization of permanent magnets is important for a number of
applications including space missions, particle accelerators and robots designed to carry out …

[PDF][PDF] Brief review of the approaches to elucidate the mechanism of the radiation-induced demagnetization

T Bizen - Proc. ERL, 2011 - accelconf.web.cern.ch
Permanent magnets decrease their magnetic field under severe radiation environment. This
radiation damage, radiation-induced demagnetization, is a great concern especially for the …

Radiation-induced magnetization reversal causing a large flux loss in undulator permanent magnets

T Bizen, R Kinjo, T Hasegawa, A Kagamihata, Y Kida… - Scientific reports, 2016 - nature.com
We report an unexpectedly large flux loss observed in permanent magnets in one of the
undulators operated in SACLA, the x-ray free electron laser facility in Japan …

Analyses of the factors for the demagnetization of permanent magnets caused by high-energy electron irradiation

Y Asano, T Bizen, X Marechal - Journal of synchrotron radiation, 2009 - journals.iucr.org
Demagnetization owing to high-energy electron irradiation has been analyzed for
permanent magnets used in insertion devices of synchrotron radiation sources, using the …

[HTML][HTML] Engineering implementation of permanent magnet uniform spreading system for 3 MeV electron beam accelerator

Z Zhou, H Li, J Xing, C Lin, Z Zhang, M Xiong… - Nuclear Engineering …, 2024 - Elsevier
Electron radiation technology, a significant application of non-power civil nuclear
technology, opens up various research opportunities for electron beam accelerators as …

Radiation damage to permanent magnet materials: A survey of experimental results

B Shepherd - 2018 - cds.cern.ch
A large fraction of the total power consumption of the CLIC machine [1] is taken up by
electromagnets. There is a proposal to replace some of the conventional electromagnets …

Enhancing the radiation resistance of undulator permanent magnets by tilting the easy axis of magnetization

T Bizen, R Kinjo, T Tanaka - Physical Review Letters, 2018 - APS
The undulator is a magnetic device usually consisting of a series of rare-earth permanent
magnets (REPMs) arranged to generate a sinusoidal magnetic field, and is installed in …

Effects of proton irradiation on structure of NdFeB permanent magnets studied by X-ray diffraction and X-ray absorption fine structure

L Yang, L Zhen, CY Xu, XY Sun, WZ Shao - Journal of magnetism and …, 2011 - Elsevier
The effects of proton irradiation on the structure of NdFeB permanent magnet were
investigated by X-ray diffraction and X-ray absorption fine structure (XAFS). The results …

Thermal demagnetization in in-vacuum undulators and effect of magnetic configuration on choice of magnet grade

T Tanaka, A Kagamihata - Nuclear Instruments and Methods in Physics …, 2021 - Elsevier
Resistance of undulator magnetic arrays composed of neodymium–iron–boron (NdFeB)
permanent magnets (PMs) against thermal demagnetization, which is important especially …

Study on radiation induced performance degradation of BLDC motor in robot servo systems

S Li, YF Zheng, J Qiu, A Samin… - International Journal of …, 2015 - inderscienceonline.com
Humanoid robots have great potential in applications in organically dangerous
environments, for example, in the radiation environments. However, the radiation damage …