Ion-Plasma Sputtering of AlMgB14 and AlMgB14–50 wt % TiB2 Antifriction Coatings
Authors:
- 26 September 2024
- journal article
- research article
- Published by Pleiades Publishing Ltd in Journal of Machinery Manufacture and Reliability
- Vol. 53 (5) , 499-508
Abstract
AlMgB14 and AlMgB14–50 wt % TiB2 coatings deposited onto a VK-8 hard-alloy substrate by ion-plasma sputtering using powder ceramic targets are studied. It is established that the formed coatings are characterized by an amorphous-crystalline structure containing B–B, B–O, and Ti–O interatomic bonds. The composition of the target has a minor effect on the morphology and roughness of the obtained coatings. The hardness of TiB2-free coatings reaches 35 ± 2 GPa at the lowest friction coefficient of 0.12. It is established that the coatings formed using the AlMgB14–50 wt % TiB2 target possess higher adhesion strength and wear resistance.Keywords
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