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doi:10.22028/D291-27480
Titel: | Wear Characterization of Cemented Carbides (WC–CoNi) Processed by Laser Surface Texturing under Abrasive Machining Conditions |
VerfasserIn: | Fang, Shiqi Llanes, Luis Bähre, Dirk |
Sprache: | Englisch |
Titel: | Lubricants |
Bandnummer: | 5 |
Heft: | 3 |
Verlag/Plattform: | MDPI |
Erscheinungsjahr: | 2017 |
Freie Schlagwörter: | cemented carbide laser surface texturing abrasive machining wear surface integrity |
DDC-Sachgruppe: | 500 Naturwissenschaften |
Dokumenttyp: | Journalartikel / Zeitschriftenartikel |
Abstract: | Cemented carbides are outstanding engineering materials widely used in quite demanding material removal applications. In this study, laser surface texturing is implemented for enhancing, at the surface level, the intrinsic bulk-like tribological performance of these materials. In this regard, hexagonal pyramids patterned on the cutting surface of a tungsten cemented carbide grade (WC–CoNi) have been successfully introduced by means of laser surface texturing. It simulates the surface topography of conventional honing stones for abrasive application. The laser-produced structure has been tested under abrasive machining conditions with full lubrication. Wear of the structure has been characterized and compared, before and after the abrasive machining test, in terms of changes in geometry aspect and surface integrity. It is found that surface roughness of the machined workpiece was improved by the laser-produced structure. Wear characterization shows that laser treatment did not induce any significant damage to the cemented carbide. During the abrasive machining test, the structure exhibited a high wear resistance. Damage features were only discerned at the contacting surface, whereas geometrical shape of pyramids remained unchanged. |
DOI der Erstveröffentlichung: | 10.3390/lubricants5030020 |
Link zu diesem Datensatz: | urn:nbn:de:bsz:291--ds-274805 hdl:20.500.11880/29487 http://dx.doi.org/10.22028/D291-27480 |
ISSN: | 2075-4442 |
Datum des Eintrags: | 5-Aug-2020 |
Fakultät: | NT - Naturwissenschaftlich- Technische Fakultät |
Fachrichtung: | NT - Materialwissenschaft und Werkstofftechnik |
Professur: | NT - Prof. Dr. Dirk Bähre |
Sammlung: | SciDok - Der Wissenschaftsserver der Universität des Saarlandes |
Dateien zu diesem Datensatz:
Datei | Beschreibung | Größe | Format | |
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lubricants-05-00020.pdf | 3,71 MB | Adobe PDF | Öffnen/Anzeigen |
Diese Ressource wurde unter folgender Copyright-Bestimmung veröffentlicht: Lizenz von Creative Commons