Structure, corrosion, and hardness properties of Ti/Al multilayers coated on NdFeB by magnetron sputtering

被引：43
|
作者：
Xie, Tingting [1 ]
Mao, Shoudong [1 ]
Yu, Chao [1 ]
Wang, Shaojie [1 ]
Song, Zhenlun [1 ]
机构：
[1] Chinese Acad Sci, Ningbo Inst Mat Technol & Engn, Key Lab Magnet Mat & Devices, Ningbo 315201, Zhejiang, Peoples R China
来源：
VACUUM | 2012年 / 86卷 / 10期
关键词：
NdFeB magnet; Ti/Al multilayer; Magnetron sputtering; Corrosion resistance; FE-B MAGNETS; SINTERED NDFEB; RESISTANCE; COATINGS; BEHAVIOR; PROTECTION; PHASES; CO;
D O I：
10.1016/j.vacuum.2012.03.019
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
Ti/Al multilayers deposited on sintered NdFeB magnets by direct current magnetron sputtering with ionbeam assistance were studied in this report. Ti layers with a hexagonal close packed structure were obtained in the Ti/Al multilayers. The columnar structure growth of Al layers was successfully interrupted by the intercalated Ti layers. The Ti/Al multilayers showed more compact and uniform surfaces than the Al single layer. The corrosion current densities of the sintered NdFeB magnets coated with Ti/Al multilayers were much lower than that of the Al single layer. The Ti/AI multilayers also presented improved hardness. Crown Copyright (C) 2012 Published by Elsevier Ltd. All rights reserved.
引用
收藏
页码：1583 / 1588
页数：6
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