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51318-10999-Nanostructured Al-Alloy Coatings to Mitigate Corrosion and Enhance Mechanical Properties

Picture for Nanostructured Al-Alloy Coatings to Mitigate Corrosion and Enhance Mechanical Properties
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Alloy composition, hardness and corrosion performance (ASTM B117 & potentiodynamic polarization) relative to the base aluminum alloys 6061 & 2070. The thermodynamically stable nanocrystalline aluminum alloys provide improved corrosion resistance.

Product Number: 51318-10999-SG
Author: Avinash Kola / Joshua Abbott / Evgeniya Freydina
Publication Date: 2018
Industry: Science of Corrosion
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$20.00
$20.00

The newest generation of aluminum, high strength steel and magnesium alloys show significant potential for light weight applications in aerospace, transportation and consumer electronic applications. However, these alloys suffer from significant corrosion problems. To address this issue, a series of nanostructured binary aluminum alloys (AlCr, AlMn, AlZr) have been prepared and tested for corrosion performance. The composition of these single-phase alloys, created via electrodeposition from ionic liquids, can be tuned to adjust microstructure and modify properties such as hardness and pitting potential in order to target application specific requirements. Here we present data on alloy composition, hardness and corrosion performance (ASTM B117 & potentiodynamic polarization) relative to the base aluminum alloys 6061 & 2070. Results show that the thermodynamically stable nanocrystalline aluminum alloys provide improved corrosion resistance as compared to the base alloys.

 

Key words: Aluminum, Alloy, Corrosion, Coating, Electrodeposition, Ionic Liquid

The newest generation of aluminum, high strength steel and magnesium alloys show significant potential for light weight applications in aerospace, transportation and consumer electronic applications. However, these alloys suffer from significant corrosion problems. To address this issue, a series of nanostructured binary aluminum alloys (AlCr, AlMn, AlZr) have been prepared and tested for corrosion performance. The composition of these single-phase alloys, created via electrodeposition from ionic liquids, can be tuned to adjust microstructure and modify properties such as hardness and pitting potential in order to target application specific requirements. Here we present data on alloy composition, hardness and corrosion performance (ASTM B117 & potentiodynamic polarization) relative to the base aluminum alloys 6061 & 2070. Results show that the thermodynamically stable nanocrystalline aluminum alloys provide improved corrosion resistance as compared to the base alloys.

 

Key words: Aluminum, Alloy, Corrosion, Coating, Electrodeposition, Ionic Liquid

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51318-10984-INFLUENTIAL FACTORS RELATED TO LOCALIZED CORROSION OF MILD STEEL IN SLIGHTLY SOUR ENVIRONMENTS

Product Number: 51318-10984-SG
Author: Wei Zhang / Bruce Brown / David Young / Srdjan Nesic / Marc Singer
Publication Date: 2018
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A comprehensive parametric study was performed using a small-scale laboratory setup with the aim of investigating the occurrence of localized corrosion of mild steel in marginally sour environments.
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51318-10990-Localized Corrosion of Mild Steel under Iron Sulfide Layers in CO2/H2S Environment

Product Number: 51318-10990-SG
Author: Saba Navabzadeh Esmaeely / Gheorghe Bota / Bruce Brown / Srdjan Nesic
Publication Date: 2018
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Mild steel specimens (API 5L X65) were pretreated to form a pyrrhotite layer on the surface using high temperature sulfidation in oil, then exposed to a range of aqueous CO2 and H2S corrosion environments, leading to initiation of localized corrosion.

 
Picture for Effect of Alloying Elements on the Corrosion Behavior of Carbon Steel in CO2 Environments
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51318-10997-Effect of Alloying Elements on the Corrosion Behavior of Carbon Steel in CO2 Environments

Product Number: 51318-10997-SG
Author: Yoon-Seok Choi / Srdjan Nesic / Hwan-Gyo Jung
Publication Date: 2018
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The objective of the present study was to evaluate the effect of alloying elements (Cr, Mo and Cu) on the corrosion behavior of low carbon steel in CO2 environments. Six samples were prepared with varying Cr content from 0 to 2 wt.% and with added 0.5 wt.% of Mo and Cu.
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