Glycerol and Diamond-Like-Carbon in Elastohydrodynamic Lubrication

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Keyword: Engineering and Technology, Mechanical Engineering, Tribology (Interacting Surfaces including Friction, Lubrication and Wear), Teknik och teknologier, Maskinteknik, Tribologi (ytteknik omfattande friktion, nötning och smörjning)
Publication year: 2018
Relevant Sustainable Development Goals (SDGs):
SDG 9 Industry, innovation and infrastructure
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Lubrication and surface engineering plays a vital part in the efficiency of machine components. By using low friction fluids and low friction coatings the efficiency of machine components can be improved dramatically. Glycerol is an example of a fluid with extraordinary low friction characteristics in various systems. Diamond like carbon (DLC) coatings have also been shown to reduce friction in a variety of tribological interfaces. In this study, the elastohydrodynamic performance of glycerol with DLC coated surfaces has been investigated in rolling sliding contacts at high pressures and high slide-to-roll ratios. The DLC-glycerol system is compared to a steel-synthetic oil system and the differences are significant.


Marcus Björling

Luleå tekniska universitet; Maskinelement
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Shi Yijun

Luleå tekniska universitet; Maskinelement
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