Tribotechnical properties of ultra-high molecular weight polyethylene filled with sulfur, diphenylguanidine and 2-mercaptobenzothiazole
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Published:2020-01-21
Issue:3(99)
Volume:
Page:91-98
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ISSN:1994-6716
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Container-title:Voprosy Materialovedeniya
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language:
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Short-container-title:Vopr. materialoved.
Author:
Danilova S. N.1, Dyakonov A. A.1, Vasiliev A. P.1, Gerasimova Y. S.1, Okhlopkova A. A.2, Sleptsova S. A.1
Affiliation:
1. Ammosov North-Eastern Federal University 2. Ammosov North-Eastern Federal University,
Institute of Oil and Gas Problems, Siberian Branch of the RAS
Abstract
The paper studies tribotechnical properties, hardness and density of composites based on ultra-high molecular weight polyethylene (UHMWPE) filled with sulfur, diphenylguanidine (DFG) and 2-mercaptobenzothiazole (MBT) and their mixtures. It has been established that the introduction of selected fillers has practically no effect on hardness and density of the composites, but leads to a significant (by 2–3 times) increase in the wear resistance of materials. Using electron microscopy, it has been established that secondary structures are formed in composites containing MBT that protect the surface layer of the material from wear. Using IR spectroscopy, it was established that tribochemical reactions occur during the wear of composites with the formation of hydroxyl and carbonyl groups. The developed materials UHMWPE / MBT and UHMWPE / FGD / MBT have high wear resistance and can be used as materials for tribological purposes.
Publisher
FSUE CRISM Prometey
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Cited by
2 articles.
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