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August 26, 2025Applied SciencesOpen Access

Tribological Assessment of Bio-Lubricants Influenced by Cylinder Liners and Piston Rings

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Authors

OAOmar Qasım Saleh Al-HadeethiAÖA. Engin ÖzçelikMDMehmet Turan Demirci

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Overview

Assessment reveals safflower oil reduces friction in cylinder liner-piston ring pairs, highlighting viable bio-lubricants.

Key Points

  • Safflower oil achieved the lowest coefficient of friction during tests, indicating superior performance compared to conventional oils.
  • At higher speeds, safflower oil reduced friction by 18%, showcasing its effectiveness as a bio-lubricant alternative.
  • Tribological behavior was assessed using a pin-on-disc wear tester under varying loads and speeds in realistic conditions.
  • Brinell hardness tests indicated significant variations in mechanical properties between selected materials in contact.

Cite This Study

Al-Hadeethi et al. (2025) studied this question.

synapsesocial.com/papers/68af7dec7567bf4f94ff48adhttps://doi.org/10.3390/app15179366
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