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The influence of water on the adsorption and the tribological properties of unsaturated fatty acids in alkane solution
RISE., SP – Sveriges Tekniska Forskningsinstitut, SP Sveriges tekniska forskningsinstitut, YKI – Ytkemiska institutet.
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2011 (Engelska)Ingår i: Proceedings of the Institution of mechanical engineers. Part J, journal of engineering tribology, ISSN 1350-6501, E-ISSN 2041-305X, Vol. 225, nr 10, s. 1048-1055Artikel i tidskrift (Refereegranskat)
Abstract [en]

The moisture uptake of the three unsaturated fatty acids, oleic acid, linoleic acid, and linolenic acid has been investigated. The amount of water absorbed by the fatty acids increased with increasing degree of unsaturation. The influence of the water on the adsorption onto steel and lubricating properties of the fatty acid in hexadecane was investigated. The adsorption, as determined with quartz crystal microbalance of 0.1 and 1 wt% of oleic acid onto steel was not affected by the presence of water (1.5 mole% water in fatty acid) while 5.6 mole% water enhanced the adsorbed amount of linolenic acid. Even though this amount of water had a large influence on the adsorption of linolenic acid, it did not affect the friction and wear measured with high frequency reciprocating rig using oleic acid or linolenic acid in hexadecane.

Ort, förlag, år, upplaga, sidor
2011. Vol. 225, nr 10, s. 1048-1055
Nyckelord [en]
The influence of water on the adsorption and the tribological properties of unsaturated fatty acids in alkane solution unsaturated fatty acid, oleic acid, linoleic acid, linolenic acid, moisture uptake, adsorption, wear, friction, HFRR, QCM
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Naturvetenskap
Identifikatorer
URN: urn:nbn:se:ri:diva-27398OAI: oai:DiVA.org:ri-27398DiVA, id: diva2:1054402
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A3022Tillgänglig från: 2016-12-08 Skapad: 2016-12-08 Senast uppdaterad: 2020-12-01Bibliografiskt granskad

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Proceedings of the Institution of mechanical engineers. Part J, journal of engineering tribology
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