Tribological profile of binderless and cobalt bonded niobium carbide
- The tribological profile of alumina (99.7%) mated against rotating disks in two niobium Carbide (NbC) grades were determined in unidirectional sliding tests (0.1 m/s to 7.5 m/s; 22°C and 400°C) as well as in oscillation tests (f= 20 Hz, Ax= 0.2 mm, 2/50/98% rel. humidity, n= 1062 c* y*c *l es) under unlubricated (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 |
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Dokumenttyp: | Beitrag zu einem Tagungsband |
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Veröffentlichungsform: | Verlagsliteratur |
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Sprache: | Englisch |
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Titel des übergeordneten Werkes (Englisch): | Euro PM2013 Congress & Exhibition (Proceedings) |
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Jahr der Erstveröffentlichung: | 2013 |
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Herausgeber (Institution): | European powder metallurgy association (EPMA) |
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Erste Seite: | 1 |
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Letzte Seite: | 7 |
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Freie Schlagwörter: | Ceramic; Coating; Cobalt; NbC; Oscillation; Sliding friction; Sliding wear |
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Veranstaltung: | Euro PM2013 Congress & Exhibition |
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Veranstaltungsort: | Gothenburg, Sweden |
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Beginndatum der Veranstaltung: | 15.09.2013 |
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Enddatum der Veranstaltung: | 18.09.2013 |
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ISBN: | 978-1-899072-40-8 |
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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: | 26.09.2013 |
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