Optimization of synthesis parameters of mesoporous silica sol–gel thin films for application on 2024 aluminum alloy substrates

Thermal curing study of bisphenol A benzoxazine for barrier coating applications on 1050 aluminum alloy

“…Due to the high chromate toxicity for human beings and environment, the use of these compounds will be banished in 2017 in the aircraft sector. Many studies concern the development of new technologies and alternatives aiming at avoiding the use of chromate: sol-gel coatings [7][8][9][10][11], new anodizing layers [12][13][14][15] and elaboration of organic-, inorganic-or hybrid coatings [16][17][18][19]. Epoxy resin coatings are generally used as organic coatings to prevent corrosion of aeronautic structures due to their good mechanical properties, strong adhesion, high crosslinking density and excellent chemical resistance [20,21].…”

Optical Fibre NO2 Sensor Based on Lutetium Bisphthalocyanine in a Mesoporous Silica Matrix

“…Glass fibres are made of silica (with an eventual dopant) and, logically, we chose the silica sol-gel coatings which present a good adhesion to silica. The mesoporous silica sol-gel coatings were proved to be resistant and are used as barrier layers to protect metals against corrosion [ 42 ].…”

“…In this work, silica mesostructured films have been synthesized through the EISA process using Pluronic P123 as a templating agent. The pore size distribution of films has been measured for each condition of removal by means of adsorption porosimetry using a quartz crystal microbalance as explained in [ 42 ].…”

“…Films were deposited in the same conditions on the tip of fibres and on flat glass substrates for easier characterization. Films were also deposited on quartz crystal microbalance substrates for porosity measurements according to [ 42 ].…”

Influence of UV light irradiation on the corrosion behavior of electrodeposited Ni and Cu nanocrystalline foils

“…Such effect would be stronger if the materials are in the nanocrystalline state because the high-density grain boundaries raise the energy state and promote atomic diffusion along grain boundaries. Although limited studies were conducted on corrosion of steel, Cu, Zn, and Al alloys under UV irradiation [15][16][17][18][19][20][21][22][23][24][25][26][27][28][29] , results of the studies are not always consistent. Besides, there is almost no investigation reported in the literature regarding the influence of light irradiation on corrosion of nickel, an important base metal having a wide range of industrial applications.…”