Original scientific paper

STUDY ON THE TRIBOLOGICAL PERFORMANCE OF VEGETABLE OILS

Boris Kržan ; Centar za tribologiju i tehničku dijagnostiku, Sveučilište u Ljubljani

Abstract

Field experiment with nine different oilseed crops was conducted. The seeds are cleaned, pressed in an oil mill, and then the oil is extracted. Yield of grain, yield of oil and physical-chemical parameters were determined. Tribological properties were investigated on ball-on-disc test device using steel specimens in boundary lubricated conditions. Wear results indicate that trygliceride structure of sample oils is effective enough to prevent wear at contact pressure of 1 GPa. Some oil samples retain their wear resistance at 2 GPa, however only at 50 °C initial substrate temperature. Investigation is focused in the direction of detecting of suitable crops and improving yields of common ones.

Keywords

vegetable oils, content and properties testing; lubricant properties; vegetable lubricating oil; application value viewpoint; process capability of feedstock; comparative evaluation viewpoint; agricutural yield estimation

Hrčak ID:

61933

URI

https://hrcak.srce.hr/61933

Publication date:

15.12.2010.

Article data in other languages: croatian

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