Rheometrie an Schmierstoffen
Die Rheometrie ist eine hochpräzise Messmethode zur Untersuchung der viskoelastischen Eigenschaften von Flüssigkeiten und Festkörpern. Dieses moder...elibrary.narr.digital
MATERIALES GmbH
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Planar Contact Fretting Test Method Applied to Solid Lubricants
A new method of material and lubricant testing is demonstrated with a planar contact fretting wear tribometer under typical fretting wear conditions. The usual abstraction of contact geometries with an easy-to-align point or line contacts is deliberately dispensed to do justice to the frequently flat contacts of machine elements (shaft-hub connection, bearing seats, etc.). For the study, a new method of targeted observation of the contact surfaces during the test is used, which allows a time-lapse animation of the fretting wear progress of solid lubricant mixtures. Thus, the formation of possible transfer film build-up and the type of wear mechanism occurring can be visualized. This technique represents, in conjunction with additional analytical methods such as microscopy and SEM/EDX, a powerful tool to provide a better insight into the mechanisms of solid lubricant action under fretting conditions. To demonstrate the potential of this approach, a time to damage study is performed on commercial and self-prepared pastes from solid lubricants and white oil, where calcium hydroxide is a commonly employed solid lubricant for the avoidance of fretting wear is compared to other materials.www.mdpi.com
Materiales GmbH – Beratung für Chemie & Werkstoffe
Die Materiales GmbH ist ein junges, dynamisches Unternehmen aus Hamburg mit langjähriger Erfahrung in der Forschung, Entwicklung und Projektabwicklung.https://materiales.de/
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Die Materiales GmbH ist ein junges, dynamisches Unternehmen aus Hamburg mit langjähriger Erfahrung in der Forschung, Entwicklung und Projektabwicklung im industriellen Umfeld. Materiales entwickelt für Sie maßgeschneiderte Lösungen: - Umfangreiche Wissens- und Beratungsdienstleistungen - Projektplanung und -management -...
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