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Laser-Induced Breakdown SpectroscopySpectroscopy (LIBSLIBS) has recently emerged as a new method for online composition monitoring in melting/holding furnacesHolding furnaces. Such a technology could have a positive EHS impact (less human interaction with liquid metalMetals), but also increase productivityProductivity and reduce the carbon footprintCarbon footprint of furnacesFurnace by measuring composition quicker and earlier than conventional techniques thereby shortening furnaceFurnace cyclesCycle. LIBSLIBS could also be used to help optimize recycled content in cast products. Industrial deployment of liquid LIBSLiquid LIBS in casthousesCasthouse can be done using a surfaceSurface measurementMeasurements probe or sub-surfaceSurface lance probe; both designs should be resistant to a high-temperature atmosphere. Calibration is critical for the accuracy and reproducibility of the measurementMeasurements. This work summarizes Constellium-Tecnar and Constellium-DTE co-developments to implement LIBSLIBS technology for wrought aluminum alloysWrought aluminum alloys. Promising results show the possibility of following master alloy dissolution in the melt; industrialization challenges are discussed for both technologies.

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Liquid Composition Analysis of Wrought Aluminum Alloys Using Laser-Induced Breakdown Spectroscopy (LIBS) for Industrial Furnace Applications

  • 会议论文

  • 发表日期：

    2025年

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  • G. Salloum-Abou-Jaoude,
  • A. Nadeau,
  • K. Leosson,
  • E. Garel

摘要

Laser-Induced Breakdown SpectroscopySpectroscopy (LIBSLIBS) has recently emerged as a new method for online composition monitoring in melting/holding furnacesHolding furnaces. Such a technology could have a positive EHS impact (less human interaction with liquid metalMetals), but also increase productivityProductivity and reduce the carbon footprintCarbon footprint of furnacesFurnace by measuring composition quicker and earlier than conventional techniques thereby shortening furnaceFurnace cyclesCycle. LIBSLIBS could also be used to help optimize recycled content in cast products. Industrial deployment of liquid LIBSLiquid LIBS in casthousesCasthouse can be done using a surfaceSurface measurementMeasurements probe or sub-surfaceSurface lance probe; both designs should be resistant to a high-temperature atmosphere. Calibration is critical for the accuracy and reproducibility of the measurementMeasurements. This work summarizes Constellium-Tecnar and Constellium-DTE co-developments to implement LIBSLIBS technology for wrought aluminum alloysWrought aluminum alloys. Promising results show the possibility of following master alloy dissolution in the melt; industrialization challenges are discussed for both technologies.