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Titel: Development and Validation of a Calculation Routine for the Precise Determination of Pulse Overlap and Accumulated Fluence in Pulsed Laser Surface Treatment
VerfasserIn: Fox, Tobias
Mücklich, Frank
Sprache: Englisch
Titel: Advanced Engineering Materials
Bandnummer: 25 (2023)
Heft: 3
Verlag/Plattform: Wiley
Erscheinungsjahr: 2022
Freie Schlagwörter: direct laser interference patterning (DLIP)
laser surface functionalization
laser surface oxidation
process control
pulse overlap
selective laser melting
DDC-Sachgruppe: 500 Naturwissenschaften
Dokumenttyp: Journalartikel / Zeitschriftenartikel
Abstract: In laser material processing, a variety of parameters like pulse fluence, total dose, step size, and pulse-to-pulse overlap are used to define and compare laser processes. Of these parameters, the pulse-to-pulse overlap can be the hardest to access as it is not implemented directly but instead depends on the spot diameter, its shape, and the respective scanning path that is used to cover the surface. This article shows that existing calculation routes overestimate the actual overlap by up to 21%. A novel calculation route is developed that greatly facilitates the determination of the pulse overlap and thereby the average number of laser pulses that interact with a given point on the surface. This approach makes it possible to achieve more reliable and comparable laser processes, which in return leads to better control of the procedure as the effect of individual parameters on a given output can be determined with greater precision.
DOI der Erstveröffentlichung: 10.1002/adem.202201021
URL der Erstveröffentlichung: https://onlinelibrary.wiley.com/doi/10.1002/adem.202201021
Link zu diesem Datensatz: urn:nbn:de:bsz:291--ds-390415
hdl:20.500.11880/35210
http://dx.doi.org/10.22028/D291-39041
ISSN: 1527-2648
1438-1656
Datum des Eintrags: 15-Feb-2023
Fakultät: NT - Naturwissenschaftlich- Technische Fakultät
Fachrichtung: NT - Materialwissenschaft und Werkstofftechnik
Professur: NT - Prof. Dr. Frank Mücklich
Sammlung:SciDok - Der Wissenschaftsserver der Universität des Saarlandes



Diese Ressource wurde unter folgender Copyright-Bestimmung veröffentlicht: Lizenz von Creative Commons Creative Commons