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07230 Coating Health Monitoring System for Army Ground Vehicles

Picture for 07230 Coating Health Monitoring System for Army Ground Vehicles
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Product Number: 51300-07230-SG
ISBN: 07230 2007 CP
Author: Guy D. Davis, Robert Ross, and Surya Raghu
Publication Date: 2007
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$20.00
$20.00
A low-cost coating health monitor (corrosion sensor) is being developed for Army ground vehicles. The Coating Health Monitor or CHM is a battery-operated, wireless, miniature sensor system that uses electrochemical impedance spectroscopy (EIS) to detect degradation of the chemical agent resistant coating (CARC). It consists of a small electronics module together with a tape electrode that is mounted onto the vehicle in areas prone to corrosion. The CHM performs a three-frequency EIS measurement to determine the coating condition/protectiveness. Using a wireless handheld device or a stationary unit in a drive-in bay, a motor pool soldier or similar inspector will periodically probe the CHM(s) on a vehicle to monitor the health of the paint system. Critical sites on high-mobility, multiwheeled vehicles (HMMWVs) and other ground vehicles have been identified that are subject to corrosion and are suitable for the CHM. Different tape electrodes are being evaluated and their results compared to conventional EIS for both solventborne and waterborne CARC coatings.
A low-cost coating health monitor (corrosion sensor) is being developed for Army ground vehicles. The Coating Health Monitor or CHM is a battery-operated, wireless, miniature sensor system that uses electrochemical impedance spectroscopy (EIS) to detect degradation of the chemical agent resistant coating (CARC). It consists of a small electronics module together with a tape electrode that is mounted onto the vehicle in areas prone to corrosion. The CHM performs a three-frequency EIS measurement to determine the coating condition/protectiveness. Using a wireless handheld device or a stationary unit in a drive-in bay, a motor pool soldier or similar inspector will periodically probe the CHM(s) on a vehicle to monitor the health of the paint system. Critical sites on high-mobility, multiwheeled vehicles (HMMWVs) and other ground vehicles have been identified that are subject to corrosion and are suitable for the CHM. Different tape electrodes are being evaluated and their results compared to conventional EIS for both solventborne and waterborne CARC coatings.
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