期刊
VACUUM
卷 86, 期 10, 页码 1583-1588出版社
PERGAMON-ELSEVIER SCIENCE LTD
DOI: 10.1016/j.vacuum.2012.03.019
关键词
NdFeB magnet; Ti/Al multilayer; Magnetron sputtering; Corrosion resistance
资金
- National Key Technology RD Program [2012BAE02B01]
- Natural Science Foundation of Ningbo [090305VA16]
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.
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