Results 21 to 30 of about 5,025 (233)

Hybrid sol-gel coatings: smart and green materials for corrosion mitigation [PDF]

open access: yes, 2016
Corrosion degradation of materials and metallic structures is one of the major issues that give rise to depreciation of assets, causing great financial outlays in their recovery and or prevention.
Figueira, Rita Maria Burguete Bacelar Marreiros   +3 more
core   +5 more sources

Deposition and Characterization of a New Mixed Organic/Inorganic Cerium Containing Coating for the Corrosion Protection of Eletrogalvanized Steel

open access: yesInternational Journal of Electrochemical Science, 2014
Protective coatings have been deposited on electrogalvanized steel by immersion in solutions containing 2-Butyne-1.4-diol propoxylate (C7H11O3), cerium nitrate, sodium nitrate and sodium sulphate for different immersion periods.
J.M. Ferreira, Jr   +4 more
doaj   +1 more source

An Investigation of Mn−Ce−Based Conversion Coating on LZ91 Magnesium Alloy

open access: yesInternational Journal of Electrochemical Science, 2018
Most of the magnesium alloys are relatively reactive and tend to suffer corrosion. Consequently, surface modifications are performed to enhance the corrosion resistance and paint adhesion of the base magnesium alloys.
Shun-Yi Jian, Ko-Lun Chang
doaj   +1 more source

Corrosion Prevention by Applied Coatings on Aluminum Alloys in Corrosive Environments

open access: yesInternational Journal of Electrochemical Science, 2015
In this study, the corrosion resistance of selected aluminum alloys with various combinations of commercial coatings was investigated using the Tafel electrochemical method in water and simulated salt water environments.
Jingyi Yue, Yan Cao
doaj   +1 more source

Hybrid sol-gel coatings containing clay nanoparticles for corrosion protection of mild steel [PDF]

open access: yes, 2016
The development of a new environment-friendly anticorrosive coating for mild steel substrate is afforded in this work. The combined use of cerium, as a self-healing agent, and clay nanoparticles, as improvers of the barrier properties, was considered to ...
Ceré, Silvia   +4 more
core   +1 more source

Effect of Nano-Iron Oxide on the Morphology and Properties of Zirconium/Silicon Composite Conversion Film on the Surface of 430 Steel [PDF]

open access: yesCailiao Baohu
In response to the environmental and health concerns of conventional chromate passivation and phosphating,a ternary composite conversion coating system composed of sodium fluorozirconate-silane-nano Fe2O3 was fabricated on 430 steel as the ...
WANG Jiaao, WANG Jinwei, TANG Can, SU Xinyong
doaj   +1 more source

Development and Characterization of Corrosion Resistant Coatings Using the Natural Biopolymer Chitosan [PDF]

open access: yes, 2005
In the present study, chitosan was used as the basis for corrosion resistant coating. Chitosan suffers from two inherent weaknesses as a coating material namely high hydrophilicity and poor adhesive strength with Al 2024 T3 alloy.
Buchheit, Rudolph G, Kumar, Girdhari
core   +1 more source

Structural Analysis and Photocurrent Spectroscopy of CCCs on 99.99% Aluminum [PDF]

open access: yes, 2003
A characterization of chromate conversion coatings (CCCs) formed in the presence and in the absence of accelerator (ferro-ferricyanide redox couple) has been performed by various techniques (transmission electron microscopy, TEM, glow discharge optical ...
Buchheit, R.   +5 more
core   +2 more sources

A Critical Review of Anti-Corrosion Chemical Surface Treatment of Aluminum Alloys Used for Sports Equipment

open access: yesCrystals
Aluminum alloys with low-weight property are promising structure materials for sports equipment. Alloying element-rich second-phase particles create the risk of localized corrosion and result in failure of sports equipment.
Bo Leng   +5 more
doaj   +1 more source

Study of the efficacy of Zinc Oxalate Conversion Coating in Protecting Structures Containing Galvanized Steel in Corrosive Environments with ph Variation [PDF]

open access: yesMaterials Research
Corrosion of reinforcing bars in reinforced concrete significantly compromises the durability of structures. In aggressive environments, measures such as galvanization are common, but surface treatments with zinc chromate (Cr6+), a carcinogenic compound,
Tatiana C.M. Barretto   +3 more
doaj   +1 more source

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