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Detection of temperature in frictional contact by means of component-inherent sensors for enhanced wear prediction

38,00 €*

Sofort verfügbar, Lieferzeit: 1-3 Tage

Produktnummer: 18ab7046bbf6d64c9796f925ed98d3b3c7
Autor: Raumel, Selina
Themengebiete: Temperature sensors atmospheric dependency frictional contact zone high temperature sensor laser ablation laser direct structuring
Veröffentlichungsdatum: 12.06.2024
EAN: 9783959009348
Auflage: 1
Sprache: Englisch
Seitenzahl: 194
Produktart: Buch
Verlag: TEWISS
Produktinformationen "Detection of temperature in frictional contact by means of component-inherent sensors for enhanced wear prediction"
Within the scope of this work conducted in the Collaborative Research Center 1368 »Oxygen-free production”, a new component-inherent sensor concept on non-planar surfaces is presented for measuring friction-induced temperature changes as a function of atmosphere, process parameters and ambient temperature during frictional ball-on-disc tests to improve wear prediction. The development and manufacturing of the platinum thin-film sensors on ceramic spheres via laser ablation involves the characterization of suitable sensor layouts, wear-resistant/isolation and friction layers. A laser structuring process is developed for machinable BN+AlN components to enable mechanical contacting of the sensors via the ball mount outside the friction contact area. Using an expanded measurement setup, friction tests are conducted under ambient atmosphere and under an atmosphere adequate to an extremely high vacuum using a silane-doped argon gas. To assess the fundamental effects of the friction-induced temperatures and their impact on resulting boundary layers, surface-sensitive analysis techniques are employed. Indentation tests are conducted in a high-temperature chamber to examine the thermomechanical properties in dependence of the surrounding atmosphere. The insights gained are utilized to expand the well known Archard wear model by including the dependence of the measured friction-induced temperature and atmosphere.

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