نتایج جستجو برای: lubricity

تعداد نتایج: 325  

Journal: : 2022

Due to their excellent characteristics, vegetable oils are successfully used in various formulations of organic lubricants. In this context, the advanced biodegradability and lubricity performance rice oil leads its being considered as a real potential for lubricants industry. However, with other oils, stability bran is strongly influenced by oxidation process. Therefore, aim work was monitoriz...

Journal: :Friction 2022

Abstract In this study, the direct intercalation of gemini ionic liquids (ILs) with different alkyl chains into bentonite (BT) interlayer as a high-performance lubricating additive for base oil 500SN was investigated. The purpose modifying BT an IL is to improve dispersion stability and lubricity in oil. dispersibility tribological properties IL—BT oil-based additives depend on increase interla...

Journal: :E-polymers 2023

Abstract Heat stabilizers are crucial additives for enhancing the thermal stability of polyvinyl chloride (PVC) during processing. Among various heat available, organic tin compounds have shown remarkable effectiveness. In this study, we investigated use dimethyltin dineodecanoate (DMTDN), dibutyltin (DBTDN), and dioctyltin (DOTDN) as PVC. These were combined with calcium stearate (CaSt 2 ) zin...

Journal: :Open journal of Yangtze oil and gas 2022

Polyalcohol is an environmentally friendly anti-collapse lubricant commonly used in water-based drilling fluids. It generally composed of the single polyether or polyol, but its lubricity and inhibition can’t satisfy application current fluid systems well. Consequently, laboratory has carried out research on compound polyalcohol. The samples are mixed with lauryl polyether, nonylphenol Tween 80...

Journal: :alexandria engineering journal 2021

Dilution of engine oil with unburned fuels alters its lubricity and tribological properties. In this research paper, SAE-40 lubricating samples were contaminated known percentages (5%) (diesel, palm-sesame biodiesel blend (B30), B30 + ethanol, dimethyl carbonate, carbon nanotubes and, titanium oxide). The effect all these on wear frictional characteristics was determined by using a 4-ball tribo...

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