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Corrosion behavior of hot-pressed nanocrystalline NdFeB magnet in a simulated marine atmosphere
X. Zhang; Y. T. Ma; B. Zhang; Y. Li; M. K. Lei; F. H. Wang; M. G. Zhu; X. C. Wang
2014
Source PublicationCorrosion Science
ISSN0010-938X
Volume87Pages:156-166
AbstractThe corrosion behavior of hot-pressed nanocrystalline NdFeB magnet in a NaCl-induced atmosphere with relative humidity of 80% was investigated using SEM/EDS and XPS techniques. The NaCl deposits significantly increased the initiation and development of the corrosion of NdFeB, especially that of Nd. During corrosion process, Nd2Fe14B decomposed into several phases with different Nd contents. The preferentially corroded Nd came from the Nd-rich phase and the decomposition product of Nd2Fe14B which had high Nd content. Moreover, NaCl dramatically accelerated the formation of Nd(OH)(3), making it rich in the corrosion films. Nd(OH)(3) was unstable in the system. It gradually decomposed into Nd2O3. (C) 2014 Elsevier Ltd. All rights reserved.
description.department[zhang, xue ; ma, yuantai ; zhang, bin ; li, ying ; wang, fuhui] chinese acad sci, state key lab corros & protect, inst met res, shenyang 110016, peoples r china. [zhang, xue ; lei, mingkai] dalian univ technol, dept mat sci & engn, surface engn lab, dalian 116023, peoples r china. [zhu, minggang ; wang, xuchao] cent iron & steel res inst, div funct mat, beijing 100081, peoples r china. ; li, y (reprint author), 62 wencui rd, shenyang 110016, peoples r china. ; liying@imr.ac.cn
KeywordRare Earth Elements Sem Xps Atmospheric Corrosion Ray Photoelectron-spectroscopy Sintered Ndfeb Resistance Alloys Photoemission Additions Spectra Phase Boron Film
URL查看原文
Language英语
Document Type期刊论文
Identifierhttp://ir.imr.ac.cn/handle/321006/73502
Collection中国科学院金属研究所
Recommended Citation
GB/T 7714
X. Zhang,Y. T. Ma,B. Zhang,et al. Corrosion behavior of hot-pressed nanocrystalline NdFeB magnet in a simulated marine atmosphere[J]. Corrosion Science,2014,87:156-166.
APA X. Zhang.,Y. T. Ma.,B. Zhang.,Y. Li.,M. K. Lei.,...&X. C. Wang.(2014).Corrosion behavior of hot-pressed nanocrystalline NdFeB magnet in a simulated marine atmosphere.Corrosion Science,87,156-166.
MLA X. Zhang,et al."Corrosion behavior of hot-pressed nanocrystalline NdFeB magnet in a simulated marine atmosphere".Corrosion Science 87(2014):156-166.
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