Bonding characteristics and corrosion resistance of silanecerium-treated aluminum adherend

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A silanecerium treatment was applied on an aluminum adherend to simultaneously improve the bonding performance and corrosion resistance of the adhesively bonded aluminum joint in cryogenic applications, such as with liquefied natural gas containment tanks. The lap shear strengths and corrosion performances of the adhesively bonded joints composed of treated aluminum adherends were measured with respect to the silanecerium treatment and the surface pretreatment on the aluminum adherend. The bonding characteristics of the aluminum adherend were investigated by measuring the water contact angle and conducting the potentiodynamic polarization test after the aluminum adherends with different surface treatments of silanecerium were immersed in a 0.5M NaCl solution. In addition, the surfaces were analyzed with scanning electron microscopy, X-ray photoelectron spectroscopy, and Fourier transform infrared spectroscopy to characterize the chemical compositions of the silanecerium-treated aluminum adherend. The experimental results show that an appropriate silanecerium treatment on the aluminum adherend produces an effective corrosion-resistant layer and that it has a highly reliable bonding characteristic for the adhesive joint at a cryogenic temperature of 150 degrees C.
Publisher
TAYLOR FRANCIS LTD
Issue Date
2013-02
Language
English
Article Type
Article
Keywords

CONVERSION COATINGS; GALVANIZED STEEL; PROTECTION; PERFORMANCE; ALLOYS; FILMS; ACID

Citation

JOURNAL OF ADHESION SCIENCE AND TECHNOLOGY, v.27, no.3, pp.278 - 293

ISSN
0169-4243
DOI
10.1080/01694243.2012.705520
URI
http://hdl.handle.net/10203/174572
Appears in Collection
ME-Journal Papers(저널논문)
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