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Friction and wear reduction using lanthanum and boron compounds in oil

Song J., Xiyun C., Yunlong W., Xinjing C., Boshui C., Yinhua J., Guoxu C.

Applied Mechanics and Engineering

1999

Vol. 4, no spec.

183-188

In the present paper, experimental results indicate that lanthanum dialkyldithiophosphate(LaDDP) and an organo-borate(OB) have excellent anti-wear and friction-reducing abilities. The boundary film composition, characterized by X-ray photoelectron spectroscopy(XPS)and Auger electron spectroscopy (AES), reveals that the anti-wear and friction layer containing [...] phosphate, sulphate and tribopolmer, pervent the rubbing pairs from contaction and result in better extreme-pressure and anti-wear behavior. Its tribological mechanism was suggested.