Modification of aluminum antifriction alloys by carbon nanomaterials |
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| Authors: | Yu I Golovin V M Vasyukov E Yu Isaeva A V Kolmakov R A Stolyarov K V Tikhomirova A G Tkachev A V Shuklinov |
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| Affiliation: | 1.Nanotechnologies and Nanomaterials Research & Education Center,Tambov State University,Tambov,Russia;2.OAO Plain Bearing Plant,Tambov,Russia;3.OOO Tambov Innovation Technology Center of Machine Building TGTU,Tambov,Russia |
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| Abstract: | A procedure is developed for modification of the near-surface layers of AO-20-1 alloy (AlSn20Cu, GOST Standard 14113–78) by
carbon nanotubes at a depth of 2 μm. Data on the depth distribution of carbon across the near-surface layer are obtained.
Mechanical and tribological tests of the modified layer are performed. It has been found that the hardness of the near-surface
layer increases by 10–60% at a depth up to 1 μm and the friction coefficient decreases by ∼25 %. |
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