Corrosion Protection of AA7075 Aluminium Alloy by Trimethoxy-Silanes Self-Assembled Monolayers

Neves, Rodrigo S.; Silva, Daiane P. B.; Motheo, Artur J.

doi:10.1155/2013/142493

Cited by 11 publications

(8 citation statements)

References 70 publications

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“…Landing gear components are typically manufactured with advanced materials using conventional metallic materials such as aluminum alloy 7075 [22][23][24][25][26][27][28][29][30], alloys steel 4340 [31][32][33][34][35][36], titanium 6Al-4V [37][38][39][40][41][42], titanium 6Al-6V-2Sn [43,44], titanium 15Al-3Cr-3Al-3Sn [45][46][47], and titanium 10Al-2Fe-3V [48][49][50][51][52]. The most versatile titanium alloys in the aerospace industry are titanium 6Al-4V, titanium 6Al-6V-2Sn, titanium 15Al-3Cr-3Al-3Sn, and titanium 10Al-2Fe-3V because of their excellent properties.…”

Section: Background/motivationmentioning

confidence: 99%

Spark Plasma Sintered High-Entropy Alloys: An Advanced Material for Aerospace Applications

Afolabi¹,

Popoola²,

Popoola³

2020

Recent Advancements in the Metallurgical Engineering and Electrodeposition

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High-entropy alloys (HEAs) are materials of high property profiles with enhanced strength-to-weight ratios and high temperature-stress-fatigue capability as well as strong oxidation resistance strength. HEAs are multi-powder-based materials whose microstructural and mechanical properties rely strongly on stoichiometry combination of powders as well as the consolidation techniques. Spark plasma sintering (SPS) has a notable processing edge in processing HEAs due to its fast heating schedule at relatively lower temperature and short sintering time. Therefore, major challenges such as grain growth, porosity, and cracking normally encountered in conventional consolidation like casting are bypassed to produce HEAs with good densification. SPS parameters such as heating rate, temperature, pressure, and holding time can be utilized as design criteria in software like Minitab during design of experiment (DOE) to select a wide range of values at which the HEAs may be produced as well as to model the output data collected from mechanical characterization. In addition to this, the temperature-stress-fatigue response of developed HEAs can be analyzed using finite element analysis (FEA) to have an in-depth understanding of the detail of inter-atomic interactions that inform the inherent material properties.

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Section: Background/motivationmentioning

confidence: 99%

Spark Plasma Sintered High-Entropy Alloys: An Advanced Material for Aerospace Applications

Afolabi¹,

Popoola²,

Popoola³

2020

Recent Advancements in the Metallurgical Engineering and Electrodeposition

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“…The studies present conflicting results for exposure periods exceeding 360 min. The substitution of self-assembled monolayers as an alternate for coatings on aluminum has been investigated in recent years [96,97]. It is to be re-called that the molecules which constitute SAM have three major characteristics: a.…”

Section: Effect Of Hydrophobic Surface On the Corrosion Resistance Ofmentioning

confidence: 99%

Hydrophobicity — A Green Technique for Enhancing Corrosion Resistance of Alloys

Ahmad¹,

Khan²,

Farooq³

et al. 2015

New Trends in Alloy Development, Characterization and Application

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The corrosion phenomenon is as old as the age of the planet. The cost of corrosion has risen alarmingly with industrial progress and it is estimated to be around 300 billion dollars or 3 to 4.5% of the GNP of developed nations. Thousands of alloys have been developed to control corrosion, which is a major consideration in the development of new ferrous and non-ferrous alloys. Several corrosion control techniques such as inhibitor treatment, coatings, cathodic protection, alloying additions, and designing for corrosion protection have been developed to combat corrosion. Despite their merits, techniques such as inhibition treatment and coatings are limited by their adverse effect on the environment because of their volatile organic components. Due to an increasingly alarming carbon footprint, there is a growing global concern to keep the environment clean. Hence, a great need exists to replace the current control methods by ecofriendly methods. The potential of the green technology of hydrophobicity has therefore been exploited to control corrosion by fabricating hydrophobic surfaces on alloys and these surfaces have shown highly promising results. This technology offers a novel method to control corrosion of metals, alloys, polymers and composites.

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“…An example is the use of layers formed via sol‐gel technology . The application of organic silane derivatives in thin film can also prevent the aluminum from corrosion . In other cases, amphiphilic molecules form molecular films on the metal surface, and control the dissolution of aluminum .…”

Section: Introductionmentioning

confidence: 99%

“…Controversially, the carboxylic, phosphonic, and sulfonic acids form SAM layers only on oxide film of metals. Phosphonic acid SAMs are increasingly used for building thin films due to their ability to form well defined and stable layers on oxide surfaces . As a native oxide film covers almost all engineered metals, the application of organic SAM coatings for corrosion protection is of high technological importance .…”

Section: Introductionmentioning

confidence: 99%

Inhibition of aluminum alloy corrosion in electrolytes by self‐assembled fluorophosphonic acid molecular layer

Telegdi

Luciano

Mahanty

et al. 2016

Materials & Corrosion

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Corrosion Protection of AA7075 Aluminium Alloy by Trimethoxy-Silanes Self-Assembled Monolayers

Cited by 11 publications

References 70 publications

Spark Plasma Sintered High-Entropy Alloys: An Advanced Material for Aerospace Applications

Spark Plasma Sintered High-Entropy Alloys: An Advanced Material for Aerospace Applications

Hydrophobicity — A Green Technique for Enhancing Corrosion Resistance of Alloys

Inhibition of aluminum alloy corrosion in electrolytes by self‐assembled fluorophosphonic acid molecular layer

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