Influence of surface structures on torque of VT6 alloy cortical screws
Autor: | A A Orlov, S V Skvortsova, S M Sarychev, V S Spector |
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Rok vydání: | 2020 |
Předmět: | |
Zdroj: | IOP Conference Series: Materials Science and Engineering. 971:032030 |
ISSN: | 1757-899X 1757-8981 |
DOI: | 10.1088/1757-899x/971/3/032030 |
Popis: | The paper investigated the effect of the surface structure of VT6 alloy cortical screws after various modes of vacuum ion-plasma treatment on the magnitude of the torque when they are screwed and twisted into the threaded holes of titanium plates for bone osteosynthesis. It was shown that nitriding of the screw heads increases the surface hardness by 2 times, and the formation of the nitride layer-by 3 times. It was found that the maximum decrease in torque when unscrewing is observed for nitride coated screws. |
Databáze: | OpenAIRE |
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