Nanostructured surface pre-treatment based on self-assembled molecules for corrosion protection of Alclad 7475-T761 aluminum alloy

2011 ◽  
Vol 62 (10) ◽  
pp. 913-919 ◽  
Author(s):  
S. de Souza ◽  
D. S. Yoshikawa ◽  
W. A. S. Izaltino ◽  
S. L. Assis ◽  
I. Costa
Keyword(s):  
Aluminum Alloy ◽  
Corrosion Protection ◽  
Nanostructured Surface ◽  
Self Assembled ◽  
Pre Treatment

scholarly journals Polymeric Organo-Silane Coatings for Aluminum Alloy Corrosion Protection by Self-Assembled Metho

2012 ◽  
Vol 9 (1) ◽  
pp. 435-442 ◽  
Author(s):  
Yabin Wang ◽  
Yanni Li ◽  
Fang Wang
Keyword(s):  
Aluminum Alloy ◽  
Corrosion Protection ◽  
Electrochemical Techniques ◽  
Aluminum Surface ◽  
Corrosion Resistant ◽  
Hot Air ◽  
Self Assembling ◽  
Defective Layer ◽  
Self Assembled ◽  
Aluminum Alloy Surface

The protective performances of coating formed by organo-silane with a linear alkyl chain for promoting aluminum alloy corrosion protection were evaluated by electrochemical techniques. The coatings were self-assembled in the hydrolyzed hydroalcoholic bath ofn-octyltriethoxysilane (OS) and cured at hot air oven by different time. The coatings prepared by the less self-assembled number and shorter cured time, were always porous and scarcely protective. On the contrary, those built by the more self-assembled number and the longer cured time had higher coverage on aluminum surface and favorable corrosion resistant property. The best results were obtained whenn-octyltri-ethoxysilane (OS) was hydrolyzed 25 h, self-assembling of OS was conducted for five times and the multi-layers were cured at 120 for 1∼2 hours. In this case, the thicker, high cross-linked and more scarcely defective layer was formed on aluminum alloy surface.

Controlled release and corrosion protection by self-assembled colloidal particles electrodeposited onto magnesium alloys

2015 ◽  
Vol 3 (8) ◽  
pp. 1667-1676 ◽  
Author(s):  
Jiadi Sun ◽  
Ye Zhu ◽  
Long Meng ◽  
Wei Wei ◽  
Yang Li ◽  
...  
Keyword(s):  
Corrosion Resistance ◽  
Magnesium Alloy ◽  
Controlled Release ◽  
Magnesium Alloys ◽  
Corrosion Protection ◽  
Colloidal Particles ◽  
Self Assembled ◽  
Bioactive Agents

Self-assembled nanoparticles loaded with bioactive agents were electrodeposited to provide the magnesium alloy with controlled release and corrosion resistance properties.

Influence of the thickness and roughness of polyaniline coatings on corrosion protection of AA7075 aluminum alloy

2017 ◽  
Vol 240 ◽  
pp. 215-224 ◽  
Author(s):  
Rafael Marinho Bandeira ◽  
Julia van Drunen ◽  
Amanda Cristina Garcia ◽  
Germano Tremiliosi-Filho
Keyword(s):  
Aluminum Alloy ◽  
Corrosion Protection

Plasma Surface Treatment: Effects on Mechanical and Corrosion Protection Properties of Hybrid Sol–Gel Coatings

2019 ◽  
Author(s):  
R. Subasri
Keyword(s):  
Mechanical Properties ◽  
Corrosion Resistance ◽  
Surface Treatment ◽  
Corrosion Protection ◽  
Sol Gel ◽  
Surface Cleaning ◽  
Al Alloys ◽  
Plasma Surface ◽  
Wet Chemical ◽  
Pre Treatment

Surface cleaning and activation of substrates are two critical processes that affect the mechanical and corrosion resistance properties of protective coatings when deposited on the substrates. Surface cleaning removes the contaminants, for example, grease on the substrate, and surface activation introduces active bonds on the substrate thereby increasing the surface free energy. Conventionally, surface cleaning and activation of aluminum and its alloys are carried out by a wet chemical technique. A convenient and safe alternate to the wet chemical cleaning/activation would be to use plasma for the same purpose. Plasma surface pre-treatment greatly improves adhesion of coatings deposited, which is very vital for good corrosion protection and mechanical properties such as scratch and abrasion resistance. Cold and atmospheric air plasma treatments have been the most widely studied pre-treatments for Al alloys. This article will discuss the advancements in the use of plasma treatment on Al/Al alloys and its effect on corrosion resistance and mechanical properties of coatings deposited after the surface treatment.

A sol–bath–gel approach to prepare hybrid coating for corrosion protection of aluminum alloy

2015 ◽  
Vol 279 ◽  
pp. 72-78 ◽  
Author(s):  
Lingjie Li ◽  
Jianxin He ◽  
Jinglei Lei ◽  
Wenting Xu ◽  
Xia Jing ◽  
...  
Keyword(s):  
Aluminum Alloy ◽  
Corrosion Protection ◽  
Hybrid Coating

Anodic films containing zirconia nanoparticles for corrosion protection of AA1050 aluminum alloy

2013 ◽  
Vol 18 (5) ◽  
pp. 1457-1468 ◽  
Author(s):  
Edoardo Guerrini ◽  
Silvia Vallini ◽  
Alessandra Colombo ◽  
Stefano P. Trasatti ◽  
Sergio Trasatti
Keyword(s):  
Aluminum Alloy ◽  
Corrosion Protection ◽  
Anodic Films ◽  
Zirconia Nanoparticles
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