2004
DOI: 10.1002/jsl.3000200406
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Coated gearings and bearings optimised for environmentally acceptable lubricants

Abstract: Gearings and bearings are machine elements that are subjected to heavy tribological stresses.

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Cited by 4 publications
(8 citation statements)
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“…The test pinion and wheel mass losses steadily increased up to 138 kWh of work transmitted, followed by a sharp increase, generating 32 and 73 mg of partial total mass reduction in load stages 12 and 13, respectively. A very similar material reduction was reported for a test with WC/C‐coated gears and an ester lubricant of ISO VG 100 viscosity grade . A very significant increase in total work transmitted for the WC/C‐coated gears is observed in comparison with the uncoated standard gears that were lubricated with the same oil.…”
Section: Resultssupporting
confidence: 77%
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“…The test pinion and wheel mass losses steadily increased up to 138 kWh of work transmitted, followed by a sharp increase, generating 32 and 73 mg of partial total mass reduction in load stages 12 and 13, respectively. A very similar material reduction was reported for a test with WC/C‐coated gears and an ester lubricant of ISO VG 100 viscosity grade . A very significant increase in total work transmitted for the WC/C‐coated gears is observed in comparison with the uncoated standard gears that were lubricated with the same oil.…”
Section: Resultssupporting
confidence: 77%
“…It is assumed that ester blends are superior to the PAO blends due to their natural lubricity and that they exhibit, at least to a certain extent, AW/EP functions as well. It has been shown by several researchers that the load‐carrying capacity of WC/C‐coated gears can be increased with the use of ester lubricants . PAO base stocks were additivated even with a friction modifier (nitrogen containing FM), AW/EP additives (phosphorous containing AW and ZDDP) or multifunctional additives having both FM and AW/EP functions (complex ester and sulfurised ester).…”
Section: Discussionmentioning
confidence: 99%
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“…Die Eigenschaften dieser Schmierstoffe werden in Tabelle 1 dargestellt. Als Beschichtung wurden ebenfalls handelsübliche Kohlenstoff-Beschichtungen eingesetzt (Eigenschaften siehe Tabelle 2), die bereits bei Vorversuchen in einem Rollenprüf-stand (Zwei-Scheiben-Prüfstand) ein gutes Verschleißverhal-ten im Wälzkontakt ausgewiesen haben [2].…”
Section: Untersuchungen An Pvdbeschichteten Verzahnungen In Verbindununclassified