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Projects / Programmes source: ARIS

Possibilities for oil-free or micro-nano lubricated tribological systems

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Research activity

Code Science Field Subfield
2.11.00  Engineering sciences and technologies  Mechanical design   

Code Science Field
T150  Technological sciences  Material technology 
T152  Technological sciences  Composite materials 
Keywords
lubrication films, biodegradable lubricants, surface layers, tribology, friction, wear
Evaluation (rules)
source: COBISS
Evaluation of bibliographic research performance indicators according to ARIS methodology
Citations Citations for bibliographic records in COBIB.SI that are linked to records in citation databases
source: WoS source: Scopus source: COBISS
Researchers (7)
no. Code Name and surname Research area Role Period No. of publications
1.  18005  Franci Kopač    Technical associate  2004 - 2007  55 
2.  19238  PhD Boris Kržan  Mechanical design  Researcher  2004 - 2007  137 
3.  24749  PhD Franc Majdič  Mechanical design  Researcher  2004 - 2007  575 
4.  05573  PhD Jožef Pezdirnik  Mechanical design  Researcher  2004 - 2007  182 
5.  15269  PhD Bojan Podgornik  Materials science and technology  Researcher  2004 - 2007  1,130 
6.  15697  PhD Marjan Trstenjak  Mechanical design  Researcher  2004  7 
7.  00812  PhD Jožef Vižintin  Mechanical design  Head  2004 - 2007  1,144 
Organisations (1)
no. Code Research organisation City Registration number No. of publications
1.  0782  University of Ljubljana, Faculty of Mechanical Engineering  Ljubljana  1627031  29,264 
Abstract
In a last couple of years a tremendous research work has been done in the field of development and characterization of advanced materials, hard coatings and lubricants, mainly to improve reliability, efficiency and safety of mechanical systems. Recently, more and more emphasis is put on ecology and reduction of energy consumption through reduction of friction. The aim of the proposed project is to investigate and understand possibilities for reduction of lubrication film thickness in mechanical systems, obtained through application of micro-nano films, biodegradable lubricants and hard coatings. Ultimate goal of the project are oil-free mechanical systems. Investigations will be performed on a pair of gears, representing typical machine component and on hot forging dies, being on of the most thermo-mechanically stressed tribological components. For the purpose of this investigation diamond like hard carbon coatings (DLC), the most suitable hard coatings for machine components, showing coefficient of friction as low as 0.01, will be used and tested under dry and lubricated sliding conditions. Results of this investigation will give estimation on the possibilities of achieving oil-free or micro-nano lubricated tribological systems through the use of hard coatings.
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