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00096 WELD ROOT CORROSION MONITORING WITH A NEW ELECTRICAL FIELD SIGNATURE MAPPING INSPECTION TOOL

Product Number: 51300-00096-SG
ISBN: 00096 2000 CP
Author: Roy Johnsen, Baard E. Bjornsen, Derek Morton, Dennis Parr, Brian Ridd
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$20.00
$20.00
This paper presents a new technology for inspection and monitoring of metallic objects, pipes and vessels. The system is based on a field proven, non-intrusive, internal corrosion monitoring technique, which is designed to detect and quantify general metal loss, cracking, or pitting due to corrosion or erosion. The inspection tool allows inspection in areas where more conventional inspection techniques (ultrasonic or intrusive probes) are either costly or difficult to apply. The significant advantages include the ability to operate in a wide temperature range (- 40 ° to + 400°C); non-intrusive, no operator dependency; measures changes in the actual pipe wall, allows remote intervention; can be applied to any geometry or wall thickness and maintains a high sensitivity of one part per thousand of wall thickness for general corrosion. This paper describes the inspection system and results from a validation test performed to prove the quality of the measured data for weld root corrosion.
This paper presents a new technology for inspection and monitoring of metallic objects, pipes and vessels. The system is based on a field proven, non-intrusive, internal corrosion monitoring technique, which is designed to detect and quantify general metal loss, cracking, or pitting due to corrosion or erosion. The inspection tool allows inspection in areas where more conventional inspection techniques (ultrasonic or intrusive probes) are either costly or difficult to apply. The significant advantages include the ability to operate in a wide temperature range (- 40 ° to + 400°C); non-intrusive, no operator dependency; measures changes in the actual pipe wall, allows remote intervention; can be applied to any geometry or wall thickness and maintains a high sensitivity of one part per thousand of wall thickness for general corrosion. This paper describes the inspection system and results from a validation test performed to prove the quality of the measured data for weld root corrosion.
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