Antiwar and Extreme Pressure Characteristics of Quinazolin-4-Ones Derivative as the Potential Lubricating Oil Additive
Tribological study on a 12.7 mm diameter steel ball bearing specimen has been carried out in a four-ball machine. The synthesis of 3-(N-n-octadecylammonium) quinazolin-4-ones was described. The 3-(N-n-octadecylammonium) quinazolin-4-ones has been found to be quite effective as a potential ashless additive without phosphorus and sulphur in liquid paraffin according to the experimental results. Employing scanning electron microscopy (SEM) and X-ray photoelectron spectroscopy (XPS), the film formed when the the additive interreacted with the metal was investigated.
P. Ouyang and X. M. Zhang, "Antiwar and Extreme Pressure Characteristics of Quinazolin-4-Ones Derivative as the Potential Lubricating Oil Additive", Applied Mechanics and Materials, Vols. 110-116, pp. 244-249, 2012