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CORROSION PREVENTION VIA GENERATION OF IRONMAGNESIUM PHOSPHATE DEPOSITION COATING

CORROSION PREVENTION VIA GENERATION OF IRONMAGNESIUM PHOSPHATE DEPOSITION COATING
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The DoD functions under a wide array of infrastructure to include, but not limited to, ships, tanks, combat vehicles and buildings. Due to the nature and need of the building materials, these are always at risk for corrosion, causing the infrastructure to literally crumble. This obviously puts Soldiers in harm’s way due to issues such as weapon misfiring and structural failures. 

Product Number: 51218-167-SG
Author: Rebekah Wilson, Brooke Divan
Publication Date: 2018
Industry: Coatings
$0.00
$20.00
$20.00

The DoD functions under a wide array of infrastructure to include, but not limited to, ships, tanks, combat vehicles and buildings. Due to the nature and need of the building materials, these are always at risk for corrosion, causing the infrastructure to literally crumble. This obviously puts Soldiers in harm’s way due to issues such as weapon misfiring and structural failures. The estimated cost of corrosion within the DoD is $21 billion annually, more if you consider civil works. It would be advantageous to put forth an effort to find ways to mitigate this impact. Typically, this is done through conventional coating systems. Unfortunately, imperfections in the coating system allow for the transmission of oxygen, moisture and salts to contaminate a steel surface initiating corrosion. Current technology has produced a two coat system which provides phosphate to the surface in the presence of an alkali metal to generate an amorphous layer of iron-magnesium phosphate which cannot corrode. This layer may remain a continuous source of phosphate allowing for a self-healing affect when the surface becomes impacted. The research presented is an in-lab and field demonstration and analysis of this coating system. The in lab testing includes impact resistance, adhesion and accelerated weathering. The demonstration includes performance analysis of coated steel structures at the DoD’s most corrosive base situated in the Pacific ocean.

The DoD functions under a wide array of infrastructure to include, but not limited to, ships, tanks, combat vehicles and buildings. Due to the nature and need of the building materials, these are always at risk for corrosion, causing the infrastructure to literally crumble. This obviously puts Soldiers in harm’s way due to issues such as weapon misfiring and structural failures. The estimated cost of corrosion within the DoD is $21 billion annually, more if you consider civil works. It would be advantageous to put forth an effort to find ways to mitigate this impact. Typically, this is done through conventional coating systems. Unfortunately, imperfections in the coating system allow for the transmission of oxygen, moisture and salts to contaminate a steel surface initiating corrosion. Current technology has produced a two coat system which provides phosphate to the surface in the presence of an alkali metal to generate an amorphous layer of iron-magnesium phosphate which cannot corrode. This layer may remain a continuous source of phosphate allowing for a self-healing affect when the surface becomes impacted. The research presented is an in-lab and field demonstration and analysis of this coating system. The in lab testing includes impact resistance, adhesion and accelerated weathering. The demonstration includes performance analysis of coated steel structures at the DoD’s most corrosive base situated in the Pacific ocean.

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