{"database":"biostudies-literature","file_versions":[],"scores":null,"additional":{"submitter":["Getley ACM"],"funding":["Engineering and Physical Sciences Research Council (EPSRC)","IPG Photonics/Royal Academy of Engineering Senior Research Fellowship in SEARCH","Royal Academy of Engineering"],"pagination":["e13652"],"full_dataset_link":["https://www.ebi.ac.uk/biostudies/studies/S-EPMC12948290"],"repository":["biostudies-literature"],"omics_type":["Unknown"],"volume":["13(12)"],"pubmed_abstract":["Understanding vaporization phenomena in laser powder bed fusion (LPBF) additive manufacturing has proven challenging; the links between laser-induced metal vaporization, rate of elemental loss, and composition irregularities remain unclear. Here, the vapor plume composition and preferential vaporization effect is quantified during LPBF, using in situ 1 kHz laser-induced breakdown spectroscopy with correlative X-ray synchrotron radiography, multi-physics simulations, and energy dispersive X-ray spectroscopy. It is demonstrated that vaporization increases under keyhole mode, and preferential vaporization causes elemental loss rates of Ni ≈ Fe > Cr > Mo in a Ni-based superalloy, IN625. It is found that the melt pool temperature (T ≈2300 K) can be approximated by cross-referencing vapor pressu"],"journal":["Advanced science (Weinheim, Baden-Wurttemberg, Germany)"],"pubmed_title":["Quantifying Additive Manufacturing Vapor Plumes Using Laser-Induced Breakdown Spectroscopy, Synchrotron X-Ray Radiography and Simulations."],"pmcid":["PMC12948290"],"funding_grant_id":["EP/ N509577/1","RCSRF2324-18-71","EP/W006774/1","EP/V061798/1","CiET1819/10","EP/ R511638/1","EP/P006566/1","W522193/1","EP/2453539","EP/W003333/1","EP/W037483/1"],"pubmed_authors":["Towrie M","Majkut M","Hocine S","Lee PD","Rack A","Getley ACM","Panwisawas C","Leung CLA","Shinjo J"],"additional_accession":[]},"is_claimable":false,"name":"Quantifying Additive Manufacturing Vapor Plumes Using Laser-Induced Breakdown Spectroscopy, Synchrotron X-Ray Radiography and Simulations.","description":"Understanding vaporization phenomena in laser powder bed fusion (LPBF) additive manufacturing has proven challenging; the links between laser-induced metal vaporization, rate of elemental loss, and composition irregularities remain unclear. Here, the vapor plume composition and preferential vaporization effect is quantified during LPBF, using in situ 1 kHz laser-induced breakdown spectroscopy with correlative X-ray synchrotron radiography, multi-physics simulations, and energy dispersive X-ray spectroscopy. It is demonstrated that vaporization increases under keyhole mode, and preferential vaporization causes elemental loss rates of Ni ≈ Fe > Cr > Mo in a Ni-based superalloy, IN625. It is found that the melt pool temperature (T ≈2300 K) can be approximated by cross-referencing vapor pressu","dates":{"release":"2026-01-01T00:00:00Z","publication":"2026 Feb","modification":"2026-07-16T22:15:09.153Z","creation":"2026-07-12T03:08:47.502Z"},"accession":"S-EPMC12948290","cross_references":{"pubmed":["41412835"],"doi":["10.1002/advs.202513652"]}}