Baking effect for NdFeB magnets against demagnetization induced by high-energy electrons

被引：30
|
作者：
Bizen, T
Asano, Y
Hara, T
Marechal, X
Seike, T
Tanaka, T
Lee, HS
Kim, DE
Chung, CW
Kitamura, H
机构：
[1] Japan Synchrotron Radiat Res Inst, SPring 8 JASRI, Hyogo 6795198, Japan
[2] SPring 8 JAERI, Hyogo 6795198, Japan
[3] SPring 8 RIKEN, Hyogo 6795198, Japan
[4] POSTECH, Pohang Accelerator Lab, Pohang 790784, South Korea
来源：
NUCLEAR INSTRUMENTS & METHODS IN PHYSICS RESEARCH SECTION A-ACCELERATORS SPECTROMETERS DETECTORS AND ASSOCIATED EQUIPMENT | 2003年 / 515卷 / 03期
关键词：
demagnetization; radiation damage; NdFeB magnet; electron beam; baking; thermal treatment;
D O I：
10.1016/j.nima.2003.07.030
中图分类号：
TH7 [仪器、仪表];
学科分类号：
0804 ; 080401 ; 081102 ;
摘要：
The effect of thermal stabilization (pre-baking at 142degreesC) on the sensitivity of neodymium-iron-boron (Nd2Fe14B) magnets to irradiation was studied. Thermally stabilized magnets showed higher resistance to irradiation with 2.0 GeV electrons: their demagnetization curves decrease linearly with respect to the number of electrons, and with a demagnetization rate remarkably smaller than that of the unbaked magnets. (C) 2003 Elsevier B.V. All rights reserved.
引用
收藏
页码：850 / 852
页数：3
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