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Measuring Chemical Composition Of Pipeline Steel Using Laser Induced Breakdown Spectroscopy (LIBS) Technology

Measuring Pipeline Chemical Composition Using Laser Induced Breakdown Spectroscopy (LIBS) Technology
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LIBS is a type of optical emission spectroscopy used to measure elemental concentrations in a material.  LIBS operates by using a pulsed, focused laser that is fired at a sample with sufficient pulse energy as to create a plasma around the area struck. Bound atomic electrons are stripped from the atoms comprising the material.  As the plasma cools, atoms recombine with electrons and in the process emit light in the UV, optical and IR regimes. 

Product Number: 51322-18193-SG
Author: Brian Wilson
Publication Date: 2022
Industries: Test Method , Coatings
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$20.00
$20.00

Recent PHMSA safety rules governing the operation of gas pipelines require operators to ensure material records are 100% traceable, verifiable, and complete (TVC) within the guidelines for the Pipeline Material Verification process defined under 192.607. Testing for chemical composition is a critical input where records are incomplete and while performing grade estimations for MAOP reconfirmation.   

Emerging non-destructive technology using portable handheld laser induced breakdown spectroscopy (LIBS) for in-situ analyses offers one NDE methodology for assessing pipeline steel composition. The LIBS technology will be presented including performance for carbon, carbon equivalency in addition to the concentrations of microalloying elements that may be present in the sample. 

Recent PHMSA safety rules governing the operation of gas pipelines require operators to ensure material records are 100% traceable, verifiable, and complete (TVC) within the guidelines for the Pipeline Material Verification process defined under 192.607. Testing for chemical composition is a critical input where records are incomplete and while performing grade estimations for MAOP reconfirmation.   

Emerging non-destructive technology using portable handheld laser induced breakdown spectroscopy (LIBS) for in-situ analyses offers one NDE methodology for assessing pipeline steel composition. The LIBS technology will be presented including performance for carbon, carbon equivalency in addition to the concentrations of microalloying elements that may be present in the sample. 

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