Friction and wear of binder-less niobium carbide
- The tribological profile of alumina (99.7%) mated against binder-less niobium carbide (NbC) rotating disks were determined unidirectional sliding tests (0.17.5 m/s; 22 °C and 400 °C) as well as in oscillation tests (f=20 Hz, Δx=0.2 mm, 2/50/98% rel. humidity, n=105/106 cycles) under un-lubricated (dry) conditions. In addition, the microstructure and mechanical properties of NbC were determined as well. The reason for testing hot-pressed NbC was to avoid side effects generated by sintering additives and/or second phases. The tribological data obtained were benchmarked with different ceramics, cermets and thermally sprayed coatings. NbC exhibited low wear rates under dry sliding associated with high load carrying capacity. The tribological profile established revealed a strong position of NbC under tribological considerations and for closed tribo-systems against traditional references, such as WC, Cr3C2, (Ti,Mo)(C,N), etc.
MetadatenAutor*innen: | Mathias WoydtORCiD, H. Mohrbacher |
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Dokumenttyp: | Zeitschriftenartikel |
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Veröffentlichungsform: | Verlagsliteratur |
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Sprache: | Englisch |
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Titel des übergeordneten Werkes (Englisch): | Wear |
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Jahr der Erstveröffentlichung: | 2013 |
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Verlag: | Elsevier B.V. |
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Verlagsort: | Amsterdam |
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Jahrgang/Band: | 306 |
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Ausgabe/Heft: | 1-2 |
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Erste Seite: | 126 |
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Letzte Seite: | 130 |
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Freie Schlagwörter: | Ceramic; Coating; NbC; Sliding friction; Sliding wear |
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DOI: | 10.1016/j.wear.2013.07.013 |
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ISSN: | 0043-1648 |
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Verfügbarkeit des Dokuments: | Datei im Netzwerk der BAM verfügbar ("Closed Access") |
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Datum der Freischaltung: | 20.02.2016 |
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Referierte Publikation: | Ja |
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Datum der Eintragung als referierte Publikation: | 29.08.2013 |
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