Thermal analysis of nozzle for powder feeding in High Power Diode Laser (HPDL) powder surfacing

• Autorzy: Klimpel A. , Janicki D. , Lisiecki A.
• Konferencja: 12th International Scientific Conference CAM3S'2006, 27-30th November 2006, Gliwice-Zakopane
• Języki publikacji: EN

Abstrakty

EN

Purpose: Purpose of these researches was to determine the influence of High Power Diode Laser (HPDL) powder surfacing parameters, material type and shape of the nozzle for powder feeding on the temperature field of the nozzle. Design/methodology/approach: Different materials for manufacturing of the nozzle for powder feeding during HPDL powder surfacing and different shapes of the nozzle were tested to establish the optimum shape and select the material that ensure lowest heating of the nozzle. Reflection coefficient of the infared laser radiation of 808 nm for the tested materials were determined as a function of a temperature. Temperature of the nozzle tip was measured and determined as a function of surfacing parameters. Life time of the different nozzles was determined. Findings: It was shown that the nozzle made of copper body and thin-walled tube made of austenitic stainless steel ensures much higher life time of the nozzle and also higher process efficiency compared with nozzle made of copper. Research limitations/implications: It was found that decreasing the distance from the nozzle tip of thin-walled tube made of austenitic stainless steel to the weld pool surface resulted in increasing of the process efficiency but too short distance is the reason of extensive heating of the nozzle. Originality/value: The optimized shape of the powder feeding nozzle made of thin-walled tube made of austenitic stainless steel guarantee unlimited lifetime of the nozzle and high surfacing efficiency over 95%.

Słowa kluczowe

EN

welding; surfacing; high power diode laser; HPDL laser

PL

spawanie; obróbka powierzchniowa; laser diodowy dużej mocy; laser HPDL

• Wydawca: International OCSCO World Press
• Czasopismo: Journal of Achievements in Materials and Manufacturing Engineering
• Rocznik: 2007
• Tom: Vol. 20, nr 1-2
• Strony: 463--466
• Opis fizyczny: Bibliogr. 15 poz., rys., tab.

Twórcy

autor

Klimpel A.

autor

Janicki D.

autor

Lisiecki A.

• Welding Department, Silesian University of Technology, ul. Konarskiego 18 a, Gliwice, Poland,

Bibliografia

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• [4] L.A. Dobrzanski, M. Bonek, E. Hajduczek, A. Klimpel, A Lisiecki, Application of high power diode laser (HPDL) for alloying X40CrMoV5-l steel surface layer by tungsten carbides, Journal of Materials Processing Technology (2004) 155-156.
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