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The study of TEMPOs as additives in different lubrication oils for steel/steel contacts

Authors
Journal
Tribology International
0301-679X
Publisher
Elsevier
Volume
73
Identifiers
DOI: 10.1016/j.triboint.2014.01.005
Keywords
  • Tempos
  • Anti-Wear
  • Anti-Oxidant
  • Anti-Atomic Oxygen

Abstract

Abstract The anti-wear and antioxidant behaviors of 2,2,6,6-tetramethyl-1-piperidinooxy (TEMPO) and its derivatives were studied. The tribological properties of lubrication oils with or without the addition of TEMPOs were investigated on an Optimol SRV IV oscillating friction wear tester and the oxidative stability was evaluated by RBOT test using SH/T-0193 and ASTM D2272 procedures. The results showed that the addition of TEMPOs can improve the antiwear and antioxidant behaviors of lubrication oils remarkably. Moreover, the addition of TEMPOs can improve the performance of lubrication oil under atomic oxygen radiation.

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