Can We Put a Value on the Adhesion and Tackiness of Greases?

This work focuses on presenting a new methodology, based on approach–retraction curves, to objectively and accurately measure adhesion and tackiness of industrial greases. The definitions of pull-off force and tackiness are redefined, explained and measured, whereas the effect of testing parameters...

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Bibliographic Details
Published in:Tribology letters 2018-06, Vol.66 (2), p.1-12, Article 60
Main Authors: Georgiou, E. P., Drees, D., De Bilde, M., Anderson, M.
Format: Article
Language:English
Subjects:
Adhesion tests
Chemistry and Materials Science
Corrosion and Coatings
Film thickness
Greases
Mapping
Materials Science
Methods
Nanotechnology
Physical Chemistry
Surfaces and Interfaces
Tackiness
Theoretical and Applied Mechanics
Thin Films
Tribology
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Summary:This work focuses on presenting a new methodology, based on approach–retraction curves, to objectively and accurately measure adhesion and tackiness of industrial greases. The definitions of pull-off force and tackiness are redefined, explained and measured, whereas the effect of testing parameters such as retraction speed, grease film thickness, applied load and temperature is discussed. This work aims to point out that the adhesion and tackiness of greases are not just a single value, but that they strongly depend on the experimental conditions. Based on this proposed method, a mapping of the tackiness of greases with respect to the experimental or working conditions can be performed.
ISSN:1023-8883
1573-2711
DOI:10.1007/s11249-018-1011-4