SYMPOSIA PAPER Published: 01 January 2001
STP10506S

Tribological Testing of Lubricants and Materials for the System “Piston Ring/Cylinder Liner” Outside of Engines

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The test procedure for characterizing the tribological behavior of lubricants and materials for the system “piston ring/cylinder liner” outside of engines is now operational and validated. The test parameters presented in this paper (FN= 50 N; v= 0,3 m/s, s= 24 km) may act only as an indicator and should be adopted to the tasks regarded. It allows the check prior expensive engine testing, if a tribo-material, tribo-couple or new lubricant will reach a satisfactory engine performance.

The introduction of piston ring segments and cylinder liner as specimen into the test rig as well as the volumetric wear determined by means of stylus profilometry represented a big step forward in order to increase the transferability of “tribo-tests” to engine tests on an acceptable level.

Author Information

Woydt, M
Federal Institute for Materials Research and Testing (BAM), Berlin, Germany
Kelling, N
Federal Institute for Materials Research and Testing (BAM), Berlin, Germany
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Details
Developed by Committee: D02
Pages: 153–167
DOI: 10.1520/STP10506S
ISBN-EB: 978-0-8031-5453-7
ISBN-13: 978-0-8031-2867-5