Comparison of corrosion resistance of high pressure die-cast and semi-solid cast AZ91, AM60, alloys and respective anodic oxides

Abstract

A comparison of corrosion resistance of die-cast and semi-solid cast AZ91and AM60 magnesium alloys was performed in corrosive medium by measurement of the open circuit potential and potentiodynamic scans. Before testing, a heat treatment was carried out on the semi-solid cast alloys. Moreover, electrochemical measurements were performed on the four different substrates anodized in the micro-arc regime in an environment friendly alkaline aqueous solution. The results could be correlated to the different microstructures of the samples produced by the different processes and to the different compactness/porosity of the oxides.

Original language	English
Title of host publication	Light Metals Technology 2013
Pages	618-622
Number of pages	5
Volume	765
DOIs	https://doi.org/10.4028/www.scientific.net/MSF.765.618
Publication status	Published - 2013
Externally published	Yes
Event	6th International Light Metals Technology Conference, LMT 2013 - Old Windsor, United Kingdom Duration: 24 Jul 2013 → 26 Jul 2013

Publication series

Name	Materials Science Forum
Volume	765
ISSN (Print)	0255-5476

Conference

Conference	6th International Light Metals Technology Conference, LMT 2013
Country	United Kingdom
City	Old Windsor
Period	24.7.13 → 26.7.13

Keywords

Corrosion resistance
Die-cast
Magnesium alloys
Micro-arc anodic oxidation
Semi-solid cast

ASJC Scopus subject areas

Materials Science(all)
Condensed Matter Physics
Mechanics of Materials
Mechanical Engineering

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Comparison of corrosion resistance of high pressure die-cast and semi-solid cast AZ91, AM60, alloys and respective anodic oxides. / Genoni, Carmine; Da Forno, Anna; Bestetti, Massimiliano.

Light Metals Technology 2013. Vol. 765 2013. p. 618-622 (Materials Science Forum; Vol. 765).

Research output: Chapter in Book/Report/Conference proceeding › Conference contribution

Genoni, C, Da Forno, A & Bestetti, M 2013, Comparison of corrosion resistance of high pressure die-cast and semi-solid cast AZ91, AM60, alloys and respective anodic oxides. in Light Metals Technology 2013. vol. 765, Materials Science Forum, vol. 765, pp. 618-622, 6th International Light Metals Technology Conference, LMT 2013, Old Windsor, United Kingdom, 24.7.13. https://doi.org/10.4028/www.scientific.net/MSF.765.618

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abstract = "A comparison of corrosion resistance of die-cast and semi-solid cast AZ91and AM60 magnesium alloys was performed in corrosive medium by measurement of the open circuit potential and potentiodynamic scans. Before testing, a heat treatment was carried out on the semi-solid cast alloys. Moreover, electrochemical measurements were performed on the four different substrates anodized in the micro-arc regime in an environment friendly alkaline aqueous solution. The results could be correlated to the different microstructures of the samples produced by the different processes and to the different compactness/porosity of the oxides.",

keywords = "Corrosion resistance, Die-cast, Magnesium alloys, Micro-arc anodic oxidation, Semi-solid cast",

author = "Carmine Genoni and {Da Forno}, Anna and Massimiliano Bestetti",

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N2 - A comparison of corrosion resistance of die-cast and semi-solid cast AZ91and AM60 magnesium alloys was performed in corrosive medium by measurement of the open circuit potential and potentiodynamic scans. Before testing, a heat treatment was carried out on the semi-solid cast alloys. Moreover, electrochemical measurements were performed on the four different substrates anodized in the micro-arc regime in an environment friendly alkaline aqueous solution. The results could be correlated to the different microstructures of the samples produced by the different processes and to the different compactness/porosity of the oxides.

AB - A comparison of corrosion resistance of die-cast and semi-solid cast AZ91and AM60 magnesium alloys was performed in corrosive medium by measurement of the open circuit potential and potentiodynamic scans. Before testing, a heat treatment was carried out on the semi-solid cast alloys. Moreover, electrochemical measurements were performed on the four different substrates anodized in the micro-arc regime in an environment friendly alkaline aqueous solution. The results could be correlated to the different microstructures of the samples produced by the different processes and to the different compactness/porosity of the oxides.

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KW - Micro-arc anodic oxidation

KW - Semi-solid cast

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