Assessment of corrosion resistance of Nd-Fe-B magnets by silanization for orthodontic applications

被引：16

作者：

Fabiano, F. ^{[1
,4
]}

Celegato, F. ^{[2
]}

Giordano, A. ^{[1
]}

Borsellino, C. ^{[3
]}

Bonaccorsi, L. ^{[1
]}

Calabrese, L. ^{[1
]}

Tiberto, P. ^{[2
]}

Cordasco, G. ^{[4
]}

Matarese, G. ^{[4
]}

Fabiano, V. ^{[3
,4
]}

Azzerboni, B. ^{[1
]}

机构：

[1] Univ Messina, Dept Elect Engn Ind Chem & Engn, I-98166 Messina, Italy

[2] INRIM Electromagnetism Div, Turin, Italy

[3] Dept Civil Engn Comp Construct Environm & Appl Ma, Messina, Italy

[4] Dept Expt Specialized Med Surg & Odontostomatol S, Messina, Italy

来源：

PHYSICA B-CONDENSED MATTER | 2014年 / 435卷

关键词：

Nd-Fe-B magnets; Ni-plated; Corrosion; Silane; Synthetic saliva; INTRAORAL MAGNETS; PROTECTION; COATINGS; BIOFILMS; ABSENCE;

D O I：

10.1016/j.physb.2013.10.021

中图分类号：

O469 [凝聚态物理学];

学科分类号：

070205 ;

摘要：

Nd-Fe-B permanent magnets are characterised by excellent magnetic properties. However, being extremely vulnerable to the attack of both climate and corrosive environments, their applications are limited. This paper describes how, at different thicknesses of N-propyl-trimetoxy-silane, the coating affects the magnetic force of nickel plated magnets. We also investigate if the corrosion resistance of silanized Nd-Fe-B magnets increases in mildly corrosive environments by immersing them in a synthetic saliva solution. It was found that the silanization treatment does not affect the strength of the magnetic force and provide an enhancement of the corrosion resistance of the substrate. (c) 2013 Elsevier B.V. All rights reserved.

引用

页码：92 / 95

页数：4

共 11 条

[1] CORROSION OF RAPIDLY SOLIDIFIED NEODYMIUM-IRON-BORON (ND-FE-B) PERMANENT-MAGNETS AND PROTECTION VIA SACRIFICIAL ZINC COATINGS [J].

ATTANASIO, SA ;

LATANISION, RM .

MATERIALS SCIENCE AND ENGINEERING A-STRUCTURAL MATERIALS PROPERTIES MICROSTRUCTURE AND PROCESSING, 1995, 198 (1-2) :25-34

[2] AN ELECTROCHEMICAL INVESTIGATION OF DISSOLUTION OF ND-FE-B MAGNETS IN ACID-SOLUTION UNDER CATHODIC POLARIZATION [J].

BALA, H ;

SZYMURA, S .

CORROSION SCIENCE, 1991, 32 (09) :953-963

[3] Corrosion protection of aluminum 6061 in NaCl solution by silane-zeolite composite coatings [J].

Calabrese, Luigi ;

Bonaccorsi, Lucio ;

Proverbio, Edoardo .

JOURNAL OF COATINGS TECHNOLOGY AND RESEARCH, 2012, 9 (05) :597-607

[4] A General Hysteresis Operator for the Modeling of Vector Fields [J].

Cardelli, E. .

IEEE TRANSACTIONS ON MAGNETICS, 2011, 47 (08) :2056-2067

[5] The use of a neodymium-iron-boron magnet device for positioning a multi-stranded wire retainer in lingual retention-a pilot study in humans [J].

Hahn, Wolfram ;

Fricke, Julia ;

Fricke-Zech, Susanne ;

Zapf, Antonia ;

Gruber, Rudolf ;

Sadat-Khonsari, Reza .

EUROPEAN JOURNAL OF ORTHODONTICS, 2008, 30 (05) :433-436

[6] Corrosion protection of Nd-Fe-B magnets by silanization [J].

Hu, JM ;

Liu, XL ;

Zhang, JQ ;

Cao, CN .

PROGRESS IN ORGANIC COATINGS, 2006, 55 (04) :388-392

[7] Corrosion protection of nanocomposite Nd-Fe-B/α-Fe magnets [J].

Jakubowicz, J .

JOURNAL OF ALLOYS AND COMPOUNDS, 2001, 314 (1-2) :305-308

[8] The effect of chemically bonded organic surface layers on the behaviour of fine powders [J].

Novak, S ;

Kobe, S ;

McGuiness, P .

POWDER TECHNOLOGY, 2004, 139 (02) :140-147

[9]

OHASHI K, 1987, P 9 INT WORKSH RAR E, P355

[10] Corrosion of intra-oral magnets by multi-species biofilms in the presence and absence of sucrose [J].

Wilson, M ;

Patel, H ;

Kpendema, H ;

Noar, JH ;

Hunt, NP ;

Mordan, NJ .

BIOMATERIALS, 1997, 18 (01) :53-57

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