Products tagged with 'anodizing'

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Corrosion Resistance and Anodizability of Recycled Aluminum Alloys: Effect of Fe and Mn

Product Number: 51324-20679-SG

Author: Mary Angel Abello; Arianna Pavesi; Marta Daga; Giorgio Valota; Andrea Bonfanti

Publication Date: 2024

$40.00

The manuscript reports about the corrosion resistance and anodizability of a family of recycled EN AC-43200 Aluminum alloys comprising a different Fe/Mn content. Linear sweep voltammetry (LSV), metallography and electrochemical noise measurements (ENM) are used to study the correlation between the microstructure of the investigated materials, the anodizability of the alloy and the corrosion protection capability of the obtained anodic layers. It is demonstrated that the presence of acicular Iron-based intermetallic precipitates within the alloy matrix, together with a high surface Silicon concentration is responsible for a poor thickness homogeneity of the obtained anodic layers and a poor corrosion resistance. The detrimental effect of Iron can be mitigated by the addition of Manganese which acts as a precipitate-shape modifier thus enabling the growth of homogeneous and protective anodic layers. The manuscript provides key information to be used in the selection of materials for future applications based on recycled cast Aluminum/Silicon (AlSi) alloys.

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Electrochemical Noise vs. Salt Spray Tests: Is There Room For a Faster Corrosion Resistance Evaluation?

Product Number: 51323-18837-SG

Author: Marco Bandiera, Giorgio Valota, Mary Angel Abello, Andrea Bonfanti, Arianna Pavesi, Bozhena Tsyupa, Valentina Trombetta, Alessandro Mancini, Federico Bertasi

Publication Date: 2023

$20.00

Electrification of road transport requires the development of components with improved performance, especially in terms of corrosion resistance.This is particularly true for safety elements such as the disc-brake system. Indeed, regenerative braking, which is used in electric vehicles, significantly reduces the wear of brake system components thus generating the need of brakes with a service life comparable to the vehicle life.

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Recent Progress in Corrosion Protection of Braking Systems

Product Number: 51324-20676-SG

Author: Marta Daga; Mary Angel Abello; Arianna Pavesi; Giorgio Valota; Andrea Bonfanti

Publication Date: 2024

$40.00

The manuscript proposes an advanced study of the corrosion resistance of anodic layers obtained by anodizing different Aluminum/Silicon (AlSi) alloys, typically used in the manufacturing of braking systems. Metallography, scanning electrochemical microscopy (SECM) measurements and electrochemical noise (EN) -based methods allow to depict the complex interplay between the microstructure of each investigated alloy and their corrosion resistance after anodizing. It is demonstrated that a high Silicon concentration in pristine alloys can: a) modulate the impedance of the obtained anodic layers; and b) generate local thickness variations of the coatings with an associated reduction of the corrosion resistance. In addition, electrochemical noise measurements (ENM) demonstrate that the corrosion resistance and anodizability of the proposed materials follow the order EN AW-6082 > EN AC-42200 > EN AC-43200.

Products tagged with 'anodizing'

Corrosion Resistance and Anodizability of Recycled Aluminum Alloys: Effect of Fe and Mn

Electrochemical Noise vs. Salt Spray Tests: Is There Room For a Faster Corrosion Resistance Evaluation?

Recent Progress in Corrosion Protection of Braking Systems

Association for Materials Protection and Performance