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Corrosion resistant manganese phosphate coatings for Mg AM-lite alloy

conference contribution
posted on 2023-12-12, 04:24 authored by XB Chen, N Birbilis, TB Abbott
A facile chromate-free method to deposit manganese phosphate conversion coatings upon magnesium alloy AM-lite for corrosion protection was developed. Surface treatment to remove the intermetallic particles from surface was applied prior to coating process. Coating nature, including morphology, phase composition, and corrosion resistance in NaCl solution was characterised by using scanning electron microscopy (SEM) equipped with energy dispersive X-ray spectroscopy (EDX), Xray diffraction (XRD), potentiodynamic polarisation and salt spray. The results indicate that the conversion coating is an amorphous structure, containing Mg, O, Mn, and P in a complex surface chemistry. Such surface coating was able to significantly improve the corrosion susceptibility of AMlite alloy. Copyright © (2012) by the Australasian Corrosion Association.

History

Pagination

630-636

Location

Melbourne, VIC.

Start date

2012-11-11

End date

2012-11-14

ISBN-13

9781622769698

Language

eng

Title of proceedings

Annual Conference of the Australasian Corrosion Association 2012

Event

Australasian Corrosion Association. Conference (2012 : Melbourne, VIC.)

Publisher

[Australasian Corrosion Association]

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