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Industrial Applications of LIBSIndustrial Applications of LIBS

Seminar by Seminar by Deepak RajputDeepak RajputPHYS 605PHYS 605 Advanced Topics: Laser SpectroscopyAdvanced Topics: Laser Spectroscopy

July 10, 2007July 10, 2007Center for Laser ApplicationsCenter for Laser Applications

University of Tennessee Space InstituteUniversity of Tennessee Space InstituteTullahoma, TN 37388Tullahoma, TN 37388

Email: Email: drajput@utsi.edudrajput@utsi.edu

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ApplicationsApplications

Metals and Alloys ProcessingMetals and Alloys Processing

Scrap Material Sorting and RecyclingScrap Material Sorting and Recycling

Nuclear Power Generation and Spent Fuel ReprocessingNuclear Power Generation and Spent Fuel Reprocessing

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Metals and Alloys ProcessingMetals and Alloys Processing

Slag AnalysisSlag Analysis

Liquid Steel AnalysisLiquid Steel Analysis

Identification of Pipe FittingsIdentification of Pipe Fittings

Steel making

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Thumb Rule:Thumb Rule: “The quality of steel is determined by the quality of “The quality of steel is determined by the quality of slag !!”slag !!”

Reduces analysis time by ~40%Reduces analysis time by ~40%

Superseded: XRF SpectroscopySuperseded: XRF Spectroscopy

……../ Slag Analysis../ Slag Analysis

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Page 405, Laser Induced Breakdown Spectroscopy: Fundamentals & Applications, Cambridge University Press, 2006

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……../ Liquid Steel Analysis../ Liquid Steel Analysis

Goal:Goal: To receive a fast elemental analysis of the steel composition. To receive a fast elemental analysis of the steel composition. (e.g., HSLA steel, Stainless Steel, etc.)(e.g., HSLA steel, Stainless Steel, etc.)

Reduces analysis time by ~50%Reduces analysis time by ~50%

SupersededSuperseded:: Spark OES Spark OES

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Corrosion: The biggest problem in oil and gas companies.Corrosion: The biggest problem in oil and gas companies.

Variety of steel grades are used in these companiesVariety of steel grades are used in these companies

Mismatch in pipes can lead to corrosion with severe consequential damageMismatch in pipes can lead to corrosion with severe consequential damage

Laser Identification of Fitting and Tubes (LIFT) is used.Laser Identification of Fitting and Tubes (LIFT) is used.

Superseded: Spark OESSuperseded: Spark OES

……../ Identification of pipe fittings../ Identification of pipe fittings

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Segregation of brominated plastics from non-brominated plasticsSegregation of brominated plastics from non-brominated plastics

Sorting of metal alloys by grade type or groupSorting of metal alloys by grade type or group

Sorting of technical glasses according to their chemical compositionSorting of technical glasses according to their chemical composition

Scrap Material Sorting and RecyclingScrap Material Sorting and Recycling

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Strengths of LIBSStrengths of LIBS

RapidRapid

AccurateAccurate

ReliableReliable

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Thank YouThank You

““The great pleasure in life is doing what people say you cannot do” The great pleasure in life is doing what people say you cannot do”