Thermally oxidised titanium coating on aluminium alloy for enhanced corrosion resistance

被引：21

作者：

Sun, Y ^{[1
]}

机构：

[1] Nanyang Technol Univ, Sch Mat Engn, Singapore 639798, Singapore

来源：

MATERIALS LETTERS | 2004年 / 58卷 / 21期

关键词：

aluminium; titanium; coating; oxidation; corrosion;

D O I：

10.1016/j.matlet.2004.04.001

中图分类号：

T [工业技术];

学科分类号：

08 ;

摘要：

In the present work, attempts have been made to improve the corrosion resistance of aluminium alloy by sputter-deposition of a titanium coating and then thermal oxidation of the Ti coating-Al substrate system. Electrochemical corrosion tests were conducted potentiostatically in a 3 wt.% NaCl aqueous solution to measure the anodic polarisation curve. The results show that the as-deposited Ti coating can significantly enhance the corrosion resistance of the aluminium alloy in terms of improved pitting corrosion and much reduced corrosion rate. Thermal oxidation of the titanium coating can alleviate the pitting corrosion problem and further reduce the corrosion rate by more than two orders of magnitude over a wide range of potentials. (C) 2004 Elsevier B.V. All rights reserved.

引用

页码：2635 / 2639

页数：5

共 14 条

[1] Surface modification of titanium alloys for combined improvements in corrosion and wear resistance [J].

Bloyce, A ;

Qi, PY ;

Dong, H ;

Bell, T .

SURFACE & COATINGS TECHNOLOGY, 1998, 107 (2-3) :125-132

[2] Review of surface pretreatments for aluminium alloys [J].

Critchlow, GW ;

Brewis, DM .

INTERNATIONAL JOURNAL OF ADHESION AND ADHESIVES, 1996, 16 (04) :255-275

[3] Cerium-based conversion layers on aluminum alloys [J].

Dabalà, M ;

Armelao, L ;

Buchberger, A ;

Calliari, I .

APPLIED SURFACE SCIENCE, 2001, 172 (3-4) :312-322

[4]

Deamley P.A., 2004, WEAR, V256, P469, DOI DOI 10.1016/50043-1648(03)00557-X

[5] Enhanced wear resistance of titanium surfaces by a new thermal oxidation treatment [J].

Dong, H ;

Bell, T .

WEAR, 2000, 238 (02) :131-137

[6] Localized corrosion of 6056 T6 aluminium alloy in chloride media [J].

Guillaumin, V ;

Mankowski, G .

CORROSION SCIENCE, 2000, 42 (01) :105-125

[7] Characterization of titanium alloy Ti-6Al-4V for chemical, marine and industrial applications [J].

Gurrappa, I .

MATERIALS CHARACTERIZATION, 2003, 51 (2-3) :131-139

[8] Corrosion of an Al-Zn-In alloy in chloride media [J].

Muñoz, AG ;

Saidman, SB ;

Bessone, JB .

CORROSION SCIENCE, 2002, 44 (10) :2171-2182

[9]

PRESTON P, 1995, SCRIPTA METALL, V32, P2021

[10] Electrodeposition of sol-gel films on Al for corrosion protection [J].

Sheffer, M ;

Groysman, A ;

Mandler, D .

CORROSION SCIENCE, 2003, 45 (12) :2893-2904

← 1 2 →