Vegetable oils derivatives as the modifiers of the lubricating properties of water

• Authors: Marian Sułek , Witold Sas , Jan Przondo
• Languages of publication: EN

Abstracts

EN

Water has been used as a lubricating medium in a number of applications in tribology. Its insufficient lubricating properties are modified by appropriate additives. The aim of the tribological studies presented in this paper is an application of a mixture containing triglyceride ethoxylates and partial glycerides as well as esters and a block copolymer as additives. All the components are commercially available and relatively cheap. In order to examine the aqueous solutions, two kinds of tests were carried out on a four-ball apparatus: at the fixed load - measurements of the friction coefficient and wear as a function of time and seizure tests which made it possible to determine the scuffing load (Pt), the seizure load (Poz) and the limiting pressure of seizure (poz). Changes in the quantities measured were analyzed as a function of concentrations ranging from 0.001% to 100%. In the fixed load tests the coefficient of friction decreased almost eight-fold, reaching the lowest value of 0.06 at above 0.1% concentration of the additive. Wear decreased over 3.5-fold. In the seizure tests a relatively high efficiency of the additive package was observed at the concentration of the order of the thousandth part of one percent. The compositions reached the maximum anti-seizure capacity at the concentrations of 4 and 10%. It is particularly interesting to note that the stability of the lubricating film being formed was characterized by the scuffing load. The maximum value of Pt was about 4kN high. Summing up, on the basis of the results obtained it may be concluded that the choice of package additives was correct and it effectively modified the lubricating properties of water.

Keywords

EN

Ecological cutting fluids; motion resistance; wear; anti-seizure properties

• Publisher: De Gruyter Open
• Journal: Polish Journal of Chemical Technology
• Year: 2007
• Volume: 9
• Issue: 3
• Pages: 147-150

Dates

published

1 - 1 - 2007

online

6 - 11 - 2007

Contributors

author

Marian Sułek

• Department of Chemistry, Technical University of Radom, ul. Chrobrego 27, 26-600 Radom, Poland

author

Witold Sas

• Department of Chemistry, Technical University of Radom, ul. Chrobrego 27, 26-600 Radom, Poland

author

Jan Przondo

• Department of Chemistry, Technical University of Radom, ul. Chrobrego 27, 26-600 Radom, Poland

References

• Marzec S., Pytko S.: Tribologia procesów skrawania metali, Nowe ciecze Chłodząco-smarujące, Wyd. Biblioteka Problemów Eksplaotacji, Kraków 1999.
• Dąbrowski J. C., Firkowski A., Gierzyńska-Dolna M.: Ciecze obróbkowe do skrawania metali, WNT, Warszawa 1998.
• Michel A.: Kuhlschmierstroffe fur Hochleistungsfertigungsrefahren, Tribologie und Schmirungstechnik, 1996, 1(43), s. 7 - 13.
• Weidel D.: Entsorgung von verbranchten Kuhlschmierstoffen, Tribologie und Schmirungstechnik, 1998, 3(45), s. 18 - 23.
• Steinmec F.: Krajowe wodorozcieńczalne środki chłodząco-smarujące do obróbki metali skrawaniem, Nafta, 1990, 1 - 3, s. 37 - 41.
• Łuksa A.: Płyny do obróbki metali, Paliwa, Oleje i Smary w Eksploatacji, 1994, 13, s. 4 - 7.
• Oczoś K., Lubomow W.: Wybrane zagadnienia kształtowania powierzchni w procesach obróbkowych, Mechanik, 3/1997, s. 81 - 84.
• Marzec S.: Physical-chemical and Tribological Phenomena in Formation of Copper Coating in Cutting Process, Zagadnienia Eksploatacji Maszyn, 2, 1998.
• Sułek M. W., Wasilewski T.: "Antiseizure properties of aqueous solutions of compounds forming liquid crystalline structures", Tribology Letters, 18, 2005, 197 - 205.
• Sułek M. W., Wasilewski T.: "Tribological properties of aqueous of alkyl polyglucosides", Wear, 260 (2006) 193 - 204.
• Sułek M. W., Bocho-Janiszewska A.: "Athoksylate des Rizinusols als Zusatse zur Modifizierung der Schmiereigenschaften von Wasser". Tribologie und Schmierungstechnik, 1, 2006.
• Sułek M. W., Bocho-Janiszewska A.: "The effect of ethoxylated esters on the lubricating properties of thier aqueous solutions", Tribology Letters, (24), Dec. 920060, 187 - 194.[WoS]
• Sułek M. W., Sas W., Przondo J., Wasilewski T.: "Aktywna syntetyczna baza olejowa", Tribologia, 4/2004, (196), 237 - 243.
• Sułek M. W., Kulczycki A., Małysa A., "Ocena jakościowa paliw na bazie biokomponentów", Towaroznawcze Problemy Jakości, 2/2006, (7), 30 - 37.
• Szczerek M., Wiśniewski M.: Tribologia i Tribotechnika, Wydawnictwo ITeE, Radom 2000.
• Piekoszewski W., Szczerek M., Tuszyński W.: "The action of lubricans under extreme pressure ditions in amodified four-ball terster", Wear, 240, 2001, 183 - 193.

Identifiers

DOI

10.2478/v10026-007-0076-x