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Magnesium Rich Coatings for Corrosion Control of Reactive Metal Alloys

EPA Grant Number: X832541C006
Subproject: this is subproject number 006 , established and managed by the Center Director under grant X832541
(EPA does not fund or establish subprojects; EPA awards and manages the overall grant for this center).
Center: Center for Environmental and Energy Research (CEER)
Center Director: Earl, David A.
Title: Magnesium Rich Coatings for Corrosion Control of Reactive Metal Alloys
Investigators: DeRosa, Rebecca
Institution: Alfred University
EPA Project Officer: Krishnan, Bala S.
Project Period: January 1, 2007 through August 1, 2008
RFA: Targeted Research Center (2006)
Research Category: Targeted Research , Hazardous Waste/Remediation

Description:

Objective:

We are testing magnesium rich coating (MRC) systems as possible chromate replacement coatings for corrosion control of reactive metal alloys. The hypothesis is that the Mg particles embedded in an inorganic or organic matrix coating will sacrificially corrode and provide extended corrosion protection to the underlying metal substrate. Our goal is to understand the role of the Mg particles as sacrificial anodes in MRC’s on aluminum 2024 and 7075 in a corrosive environment. We are currently using electrochemical techniques including electrochemical impedance spectroscopy (EIS), d.c. polarization, and open circuit potential (OCP) monitoring to determine the reliability of the coatings as corrosion inhibitors. In addition, we are also using scanning electron microscopy (SEM), electron probe x-ray microanalysis (EPMA), and x-ray photoelectron spectroscopy (XPS) to determine the state of the magnesium particles.

Publications and Presentations:

Publications have been submitted on this subproject: View all 2 publications for this subproject | View all 44 publications for this center

Supplemental Keywords:

corrosion, metal rich coating, magnesium rich coating, aluminum alloy, magnesium alloy,

Progress and Final Reports:
2007 Progress Report


Main Center Abstract and Reports:
X832541    Center for Environmental and Energy Research (CEER)

Subprojects under this Center: (EPA does not fund or establish subprojects; EPA awards and manages the overall grant for this center).
R828737C001 Environmental Impact of Fuel Cell Power Generation Systems
R828737C002 Regional Economic and Material Flows
R828737C003 Visualizing Growth and Sustainability of Water Resources
R828737C004 Vibratory Residual Stress Relief and Modifications in Metals to Conserve Resources and Prevent Pollution
R828737C005 Detecting and Quantifying the Evolution of Hazardous Air Pollutants Produced During High Temperature Manufacturing: A Focus on Batching of Nitrate Containing Glasses
R828737C006 Sulfate and Nitrate Dynamics in the Canacadea Watershed
R828737C007 Variations in Subsurface Denitrifying and Sulfate-Reducing Microbial Populations as a Result of Acid Precipitation
R828737C008 Recycling Glass-Reinforced Thermoset Polymer Composite Materials
R828737C009 Correlating Clay Mineralogy with Performance: Reducing Manufacturing Waste Through Improved Understanding
R830420C001 Accelerated Hydrogen Diffusion Through Glass Microspheres: An Enabling Technology for a Hydrogen Economy
R830420C002 Utilization of Paper Mill Waste in Ceramic Products
R830420C003 Development of Passive Humidity-Control Materials
R830420C004 Microarray System for Contaminated Water Analysis
R830420C005 Material and Environmental Sustainability in Ceramic Processing
R830420C006 Interaction of Sealing Glasses with Metallic Interconnects in Solid Oxide and Polymer Fuel Cells
R830420C007 Preparation of Ceramic Glaze Waste for Recycling using Froth Flotation
R830420C008 Elimination of Lead from Ceramic Glazes by Refractive Index Tailoring
R830420C010 Nanostructured C6B: A Novel Boron Rich Carbon for H2 Storage
X832541C001 Microarray System for Contaminated Water Analysis
X832541C003 The Fining Behavior of Selectively Batched Commercial Glasses
X832541C004 The Use of Fly Ash in the Production of SiAlON based Structural Ceramics
X832541C005 Separation and Purification of Hydrogen From Mixed Gas Streams Using Hollow Glass Microspheres
X832541C006 Magnesium Rich Coatings for Corrosion Control of Reactive Metal Alloys
X832541C008 Tunneled Titanate Photocatalysts for Environmental Remediation and Hydrogen Generation
X832541C009 Material and Environmental Sustainability in Ceramic Processing
X832541C010 Robust, Spectrally Selective Ceramic Coatings for Recycled Solar Power Tubes
X832541C011 Recycling of Silicon-Wafers Production Wastes to SiAlON Based Ceramics with Improved Mechanical Properties

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The perspectives, information and conclusions conveyed in research project abstracts, progress reports, final reports, journal abstracts and journal publications convey the viewpoints of the principal investigator and may not represent the views and policies of ORD and EPA. Conclusions drawn by the principal investigators have not been reviewed by the Agency.

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