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REITSCHUSTER, S. MAIER, E. LOHNER, T. STAHL, K. BOBZIN, K. KALSCHEUER, C. THIEX, M. ŠPERKA, P. HARTL, M.
Originální název
DLC-Coated Thermoplastics: Tribological Analyses under Lubricated Rolling-Sliding Conditions
Typ
článek v časopise ve Web of Science, Jimp
Jazyk
angličtina
Originální abstrakt
The goal of this work is to evaluate the potential of diamond-like carbon (DLC) coatings on thermoplastic polymers for friction and wear reduction in highly stressed rolling-sliding contacts. Therefore, hydrogen-containing DLC coatings were deposited on the polymer surface by a low-temperature high power pulsed magnetron sputtering (HPPMS) physical vapor deposition (PVD) process. The rolling-sliding contact between coated polyamide 66 (PA66) or coated polyether ether ketone (PEEK) against case-hardened steel 16MnCr5 is investigated in a twin-disk tribometer at normal loads up to F-N = 1,000 N, sum velocities between 1 m/s <= v(sigma) <= 16 m/s and slip ratios up to s = 50%. Results show a friction reduction with the application of DLC on the considered polymers compared to uncoated polymers under specific lubrication conditions. High solid losses caused by the polymer's internal damping properties dominate the temperature behavior of the polymer, even when coated with DLC. Regarding the wear behavior, DLC coatings show potential especially under severe mixed lubrication conditions with high-solid load portion and sliding. The knowledge gained about coated polymers can be used to improve the overall tribological performance in terms of friction and wear of thermoplastic machine elements like gears.
Klíčová slova
DLC coating; Polymers; Lubrication; Friction; Temperature; Elastohydrodynamics
Autoři
REITSCHUSTER, S.; MAIER, E.; LOHNER, T.; STAHL, K.; BOBZIN, K.; KALSCHEUER, C.; THIEX, M.; ŠPERKA, P.; HARTL, M.
Vydáno
1. 12. 2022
Nakladatel
SPRINGER/PLENUM PUBLISHERS
Místo
NEW YORK
ISSN
1023-8883
Periodikum
Tribology Letters
Ročník
70
Číslo
4
Stát
Spojené státy americké
Strany od
1
Strany do
16
Strany počet
URL
https://link.springer.com/article/10.1007/s11249-022-01664-6
Plný text v Digitální knihovně
http://hdl.handle.net/11012/209139
BibTex
@article{BUT182794, author="Stefan {Reitschuster} and Enzo {Maier} and Thomas {Lohner} and Karsten {Stahl} and Kirsten {Bobzin} and Christian {Kalscheuer} and Matthias {Thiex} and Petr {Šperka} and Martin {Hartl}", title="DLC-Coated Thermoplastics: Tribological Analyses under Lubricated Rolling-Sliding Conditions", journal="Tribology Letters", year="2022", volume="70", number="4", pages="1--16", doi="10.1007/s11249-022-01664-6", issn="1023-8883", url="https://link.springer.com/article/10.1007/s11249-022-01664-6" }