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07380 Corrosion Sensors for Detecting Graphitization of Cast Iron in Water Mains

Picture for 07380 Corrosion Sensors for Detecting Graphitization of Cast Iron in Water Mains
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Product Number: 51300-07380-SG
ISBN: 07380 2007 CP
Author: Mehrooz Zamanzadeh, Gordon Kirkwood, Sam Scheinman, and George T. Bayer
Publication Date: 2007
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This paper describes a new method for the non-destructive detection of graphitization corrosion in gray iron pipe, based on magnetic flux density measurements. Graphitization corrosion is unique to gray cast iron, which comprises much of the municipal water distribution infrastructure in the United States. Graphitic corrosion is particularly insidious in that graphitized pipe may appear perfectly sound upon visual inspection, despite being embrittled and prone to premature failure under load.
This paper describes a new method for the non-destructive detection of graphitization corrosion in gray iron pipe, based on magnetic flux density measurements. Graphitization corrosion is unique to gray cast iron, which comprises much of the municipal water distribution infrastructure in the United States. Graphitic corrosion is particularly insidious in that graphitized pipe may appear perfectly sound upon visual inspection, despite being embrittled and prone to premature failure under load.
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