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Type of publication: Straipsnis konferencijos medžiagoje kitose duomenų bazėse / Article in conference proceedings in other databases (P1c)
Field of Science: Aplinkos inžinerija / Environmental engineering (T004);Mechanikos inžinerija / Mechanical Engineering (T009)
Author(s): Kupčinskas, Artūras;Padgurskas, Juozas;Rukuiža, Raimundas;Makarevičienė, Violeta;Gumbytė, Milda
Title: Tribological properties of lard grease with lithium and natrium soap thickeners
Is part of: BALTTRIB ' 2011: VI international scientific conference, dedicated to 65th Anniversary of Faculty of Agricultural Engineering, 17-19 November, 2011, Aleksandras Stulginskis University, Kaunas, Lithuania : proceedings , 2011
Extent: p. 25-30
Date: 2011
Note: 2-s2.0-84905828834 - Scopus
Keywords: Lard;Grease;Four-ball test;Friction;Wear;Additives
Abstract: Biological oils and greases of plant and animal origin are used as environment friendly bio-degradable lubricants. Fatty lard, its greases with sodium and lithium soap thickeners and lubricant additives was used for tribological investigations. Tribological tests with 4 balls testing machine at 150 N and the drop point measurements were performed. Research results show higher lubrication efficiency of lard, its greases with sodium and lithium thickeners and lubricant additives comparing to commercial high-quality grease. The use of Lubrizol additives in lard greases significantly decreases the friction torque and the wear scar diameter of test balls. The investigation show that homogenisation of natrium soap greases can significantly increase wear resistance of friction pairs
Affiliation(s): Vytauto Didžiojo universitetas
Žemės ūkio akademija
Appears in Collections:Universiteto mokslo publikacijos / University Research Publications

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