<論文>高面圧すべり接触における極圧添加剤のトライボロジー特性 : 鋼/鋼接触とセラミック/鋼接触の場合

概要

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Mechanical elements that high surface pressure that accompanies abrupt acceleration or deceleration and/or increases in load can easily end in a lubrication state close to dry friction. In these kinds of cases, the lubricating oil needs addition of some EP(extreme pressure) additives, and in the past, p-type, S-type and Cl-type additives and their blended-types have been used as typical EP additives. And, in our experiment on steel to steel contact, for wear durability in sliding contact under high pressure, it was found that Cl-P bended additive had been superior to other additives, and that P and S-P additives had some effect whereas Cl and S additives had no effect. The oil which includes Cl additive, however recently, has not been used from environmental problem, therfore we have recommended P and S-P aaditives as a subustitute of Cl-P blended additive. Moreover, supposing the use of ceramic/steel bearing under high pressure in the future, we are now tring to find pertinent additive in the combination of ceramic to steel contact. Therefore, in the first half of this repoert, the result of steel to steel contact is shown from view point of the recognization, and in the latter half of it the result of ceramic to steel contact is shown from view point of the new material.
神戸市立工業高等専門学校の論文
2002-03-01