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Comparative wear test of journal sliding bearings with sintered bronze and Babbitt alloy bushes lubricated by environmentally acceptable/adapted lubricants (EAL)
Abstract
A growing awareness of the negative effects of mineral oils on the natural environment has resulted in the introduction of new regulations related to environmental protection. One of these regulations requires the use of environmentally acceptable/adapted lubricants (EAL) to lubricate marine main shaft bearings, in place of the mineral lubricating oils that have been used for decades. Classification Societies, which supervise the technical condition of ships, record a certain number of failures each year of heavy loaded stern tube bearings lubricated with modern, environmentally friendly lubricants. The reason often given for such failures is that the operating parameters of EAL lubricants are worse than those of mineral oils. The aim of the experimental research reported here was to compare the operating parameters and wear of EAL lubricated journal sliding bearings. For this purpose, two classic mineral lubricating oils and a group of four alternative lubricants from the EAL group were selected. The tests carried out for two types of bearing bushes – sintered bronze and Babbitt – did not show significant differences in terms of operating parameters or journal and bush wear for the entire group of tested lubricants.
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- Publication version
- Accepted or Published Version
- DOI:
- Digital Object Identifier (open in new tab) 10.1080/10402004.2022.2155281
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- Category:
- Articles
- Type:
- artykuły w czasopismach
- Published in:
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TRIBOLOGY TRANSACTIONS
no. 66,
pages 443 - 452,
ISSN: 1040-2004 - Language:
- English
- Publication year:
- 2023
- Bibliographic description:
- Frost J., Litwin W.: Comparative wear test of journal sliding bearings with sintered bronze and Babbitt alloy bushes lubricated by environmentally acceptable/adapted lubricants (EAL)// TRIBOLOGY TRANSACTIONS -Vol. 66,iss. 3 (2023), s.443-452
- DOI:
- Digital Object Identifier (open in new tab) 10.1080/10402004.2022.2155281
- Sources of funding:
-
- Statutory activity/subsidy
- Verified by:
- Gdańsk University of Technology
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