![]() In the past few years, owing to their unique chemical and structural properties, a variety of nanomaterials have been used in oil to enhance its antifriction and antiwear properties. After adding LDH, the antiwear performance of lubricating oil was improved, as a uniform and dense protective film was formed on the friction surface. The results show that LDH can be well-dispersed in lubricating oil with the action of specific dispersants. The oxidation induction time of the samples was measured by RBOT to study the antioxygenic properties of LDH in lubricating oil. The friction coefficient of the samples was measured by high-frequency linear vibration (SRV), and the morphology and composition were characterized by SEM to study the antiwear performance and action mechanism of LDH. The content of key elements in the samples was measured by an oil element analyzer, and the dispersion properties of different samples were studied. In this work, supramolecular layered double hydroxides (LDHs) were prepared and added to lubricating oil with different dispersants. The dispersion of nanomaterials in lubricating oil plays an important role in the lubrication and wear-resistance properties.
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