Next Article in Journal
On the Physics of Machining Titanium Alloys: Interactions between Cutting Parameters, Microstructure and Tool Wear
Previous Article in Journal
Effect of Cu, Zn, and Mg Concentration on Heat Treating Behavior of Squeeze Cast Al-(10 to 12)Zn-(3.0 to 3.4)Mg-(0.8 to 1)Cu
Article Menu

Export Article

Open AccessArticle
Metals 2014, 4(3), 322-334; doi:10.3390/met4030322

Mineralogical Transformation and Electrochemical Nature of Magnesium-Rich Primers during Natural Weathering

School of Polymers and High Performance Materials, the University of Southern Mississippi, 118 College Drive #5217, Hattiesburg, MS 39406-0001, USA
Author to whom correspondence should be addressed.
Received: 15 May 2014 / Revised: 14 June 2014 / Accepted: 23 June 2014 / Published: 3 July 2014
View Full-Text   |   Download PDF [2627 KB, uploaded 3 July 2014]   |  


Magnesium-rich primers (MgRP) have generated great interest as a promising alternative to chromium-based primers for the protection of aluminum substrates but their performance during exterior exposure has not been well documented. This paper focuses on the evaluation of MgRP during natural weathering to gain insight into its mineralogical phase transformation and electrochemical nature. Control studies were conducted on Mg and AA2024-T3 coupons. The results indicate that Mg particles in MgRP transform into a variety of hydroxide, carbonate, and hydroxy carbonates. During natural weathering, CO2 inhibited the dissolution of both Mg and AA2024-T3 as a result of protective carbonate layer formation in the coating.
Keywords: magnesium; corrosion; natural weathering magnesium; corrosion; natural weathering

This is an open access article distributed under the Creative Commons Attribution License (CC BY 3.0).

Scifeed alert for new publications

Never miss any articles matching your research from any publisher
  • Get alerts for new papers matching your research
  • Find out the new papers from selected authors
  • Updated daily for 49'000+ journals and 6000+ publishers
  • Define your Scifeed now

SciFeed Share & Cite This Article

MDPI and ACS Style

Pathak, S.S.; Blanton, M.D.; Mendon, S.K.; Rawlins, J.W. Mineralogical Transformation and Electrochemical Nature of Magnesium-Rich Primers during Natural Weathering. Metals 2014, 4, 322-334.

Show more citation formats Show less citations formats

Related Articles

Article Metrics

Article Access Statistics



[Return to top]
Metals EISSN 2075-4701 Published by MDPI AG, Basel, Switzerland RSS E-Mail Table of Contents Alert
Back to Top