Effect of n-LaB4O7 Additive on Tribological Behaviors of Ion Nitrocarburized Layer at Higher Temperature

C.H. Hu; Jun Xue; Yun Kai Wang; Ya Zhi Li; Zhi Chang Deng

doi:10.4028/www.scientific.net/AMR.1120-1121.249

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HomeAdvanced Materials ResearchAdvanced Materials Research Vols. 1120-1121Effect of n-LaB4O7 Additive on Tribological...

Effect of n-LaB₄O₇ Additive on Tribological Behaviors of Ion Nitrocarburized Layer at Higher Temperature

Abstract:

The paper studied the effect of n-LaB₄O₇ additives of different contents on tribological behaviors of the ion nitrocarburized layer at higher temperature. It is found that 7% n-LaB₄O₇ additives can improve obviously the tribological performances of the ion nitrocarburized layer. This because that synergetic effect of friction reduction and wear resistance is produced between the n-LaB₄O₇ additives and ion nitrocarburized layer under higher temperature, load and frequence, and the solid lubrication films including oxide, nitride and sulphate and so on are formed on the friction surface to separate the contact between the metal sufaces, and furthermore the n-LaB₄O₇ particles on the friction surface play the "Micron nanobearing" function, which make the ion nitrocarburized layer have the more excellent tribological performances.

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Periodical:

Advanced Materials Research (Volumes 1120-1121)

Pages:

249-253

DOI:

https://doi.org/10.4028/www.scientific.net/AMR.1120-1121.249

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Online since:

July 2015

Authors:

C.H. Hu*, Jun Xue, Yun Kai Wang, Ya Zhi Li, Zhi Chang Deng

Keywords:

Ion Nitrocarburized Layer, Micron Nanobearing" Function, n-LaB₄O₇ Additives, Solid Lubrication Film, Tribological Behaviors

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