Investigation of the vapour-plasma plume in the welding of titanium by high-power ytterbium fibre laser radiation

Investigation of the vapour-plasma plume in the welding of titanium by high-power ytterbium fibre laser radiation

The vapour-plasma plume produced in the welding of thick VT-23 titanium alloy plates by ytterbium fibre laser radiation of up to power is studied in the protective Ar gas medium. High-speed video filming of the vapour-plasma plume is used to visualise the processes occurring during laser welding. Th...

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Veröffentlicht in:Quantum electronics (Woodbury, N.Y.) N.Y.), 2015-01, Vol.45 (3), p.218-223
Hauptverfasser: Bykovskiy, D.P., Petrovskiy, V.N., Uspenskiy, S.A.
Format: Artikel
Sprache:eng
Schlagworte:
BREMSSTRAHLUNG
CAMERAS
CONDENSED MATTER PHYSICS, SUPERCONDUCTIVITY AND SUPERFLUIDITY
Fibre
High speed
Inverse
Laser beam welding
LASER RADIATION
LASER WELDING
Mathematical analysis
PLASMA
PLUMES
spectral diagnostics
TITANIUM
TITANIUM ALLOYS
Welding
welding plume
YTTERBIUM
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Zusammenfassung:The vapour-plasma plume produced in the welding of thick VT-23 titanium alloy plates by ytterbium fibre laser radiation of up to power is studied in the protective Ar gas medium. High-speed video filming of the vapour-plasma plume is used to visualise the processes occurring during laser welding. The coefficient of inverse bremsstrahlung by the welding plasma plume is calculated from the data of the spectrometric study.
ISSN:1063-7818
1468-4799
DOI:10.1070/QE2015v045n03ABEH015577