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Surface structuring by pulsed laser implantation

  • Micrometric surface topologies are required for a wide range of technical applications. While lowered surface features have been used for many years to improve the tribological behavior of contacting surfaces, there are also other fields of application, where the potential of elevated surface features is known, e. g. for metal forming tools. However, the demand for a high wear resistance of these structures often inhibits an industrial application. A solution is offered by structuring techniques that use additional material. A promising approach is the localized dispersing of hard ceramic particles by pulsed laser radiation, the so-called laser implantation. This paper describes the potential to adjust the geometry as well as the mechanical properties of laser implanted surfaces by means of microstructural and topological investigations. Afterwards, results of a wear test are given and different applications for this structuring technique are discussed. It can be shown thatMicrometric surface topologies are required for a wide range of technical applications. While lowered surface features have been used for many years to improve the tribological behavior of contacting surfaces, there are also other fields of application, where the potential of elevated surface features is known, e. g. for metal forming tools. However, the demand for a high wear resistance of these structures often inhibits an industrial application. A solution is offered by structuring techniques that use additional material. A promising approach is the localized dispersing of hard ceramic particles by pulsed laser radiation, the so-called laser implantation. This paper describes the potential to adjust the geometry as well as the mechanical properties of laser implanted surfaces by means of microstructural and topological investigations. Afterwards, results of a wear test are given and different applications for this structuring technique are discussed. It can be shown that dome-shaped or ring-shaped structures on a micrometric scale can be produced with high hardness and wear resistance.zeige mehrzeige weniger

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Autor*innen:Kai HilgenbergORCiD, Michael RethmeierORCiD, K. Steinhoff
Dokumenttyp:Beitrag zu einem Tagungsband
Veröffentlichungsform:Graue Literatur
Sprache:Englisch
Titel des übergeordneten Werkes (Englisch):THERMEC 2016: International Conference on Processing & Manufacturing of Advanced Materials
Jahr der Erstveröffentlichung:2017
Verlag:Trans Tech Publications
Verlagsort:Schweiz
Jahrgang/Band:879
Erste Seite:750
Letzte Seite:755
DDC-Klassifikation:Technik, Medizin, angewandte Wissenschaften / Ingenieurwissenschaften / Ingenieurwissenschaften und zugeordnete Tätigkeiten
Freie Schlagwörter:Laser dispersing; Laser implantation; Metal forming tools; Surface structuring
Veranstaltung:THERMEC 2016: 9th International Conference on Processing & Manufacturing of Advanced Materials
Veranstaltungsort:Graz, Austria
Beginndatum der Veranstaltung:29.05.2016
Enddatum der Veranstaltung:03.06.2016
DOI:10.4028/www.scientific.net/MSF.879.750
ISSN:1662-9752
Verfügbarkeit des Dokuments:Datei im Netzwerk der BAM verfügbar ("Closed Access")
Datum der Freischaltung:10.01.2017
Referierte Publikation:Nein
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