The tribological performance of silver in aircraft turbine load cases
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in: Tribology International, Jahrgang 163.2021, Nr. November, 107184, 11.2021.
Publikationen: Beitrag in Fachzeitschrift › Artikel › Forschung › (peer-reviewed)
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TY - JOUR
T1 - The tribological performance of silver in aircraft turbine load cases
AU - Renhart, Philipp
AU - Summer, Florian
AU - Grün, Florian
AU - Posch, Christoph
AU - Eder, Andreas
N1 - Publisher Copyright: © 2021 The Authors
PY - 2021/11
Y1 - 2021/11
N2 - The primary focus of this work is to characterise the tribological behaviour of physical vapour deposition (PVD) coated silver bearing coatings under representative operational conditions in aircraft engines. Silver is a promising and well-known material for lead free journal bearings due to its excellent chemical and physical properties, such as heat conduction, ductility and its non-toxicity, but not comprehensively investigated for many potential tribological applications. The silver coating was tested in mixed friction, hydrodynamic friction and deficient lubrication against polished steel counterparts. In comparison to reference bearing materials silver showed a good damage tolerance in emergency operation scenarios by virtue of its ductility and heat conductive properties.
AB - The primary focus of this work is to characterise the tribological behaviour of physical vapour deposition (PVD) coated silver bearing coatings under representative operational conditions in aircraft engines. Silver is a promising and well-known material for lead free journal bearings due to its excellent chemical and physical properties, such as heat conduction, ductility and its non-toxicity, but not comprehensively investigated for many potential tribological applications. The silver coating was tested in mixed friction, hydrodynamic friction and deficient lubrication against polished steel counterparts. In comparison to reference bearing materials silver showed a good damage tolerance in emergency operation scenarios by virtue of its ductility and heat conductive properties.
KW - Acoustic emission
KW - Journal bearing
KW - Silver
KW - Sub-scale testing
UR - http://www.scopus.com/inward/record.url?scp=85110529714&partnerID=8YFLogxK
U2 - 10.1016/j.triboint.2021.107184
DO - 10.1016/j.triboint.2021.107184
M3 - Article
VL - 163.2021
JO - Tribology International
JF - Tribology International
SN - 0301-679X
IS - November
M1 - 107184
ER -
