Effect of n-Na2B4O7 Additive on Tribological Performances of Ion Nitrocarburized Layer

C.H. Hu; Hai Jiang; Yun Feng Du; Hai Peng Wang; Zhi Chang Deng

doi:10.4028/www.scientific.net/AMR.1120-1121.254

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HomeAdvanced Materials ResearchAdvanced Materials Research Vols. 1120-1121Effect of n-Na2B4O7 Additive on Tribological...

Effect of n-Na₂B₄O₇ Additive on Tribological Performances of Ion Nitrocarburized Layer

Abstract:

The paper studied the effect of n-Na₂B₄O₇ additives of different content on tribological performances of the ion nitrocarburized layer. It is found that 7% n-Na₂B₄O₇ additive can improve greatly the friction reduction and wear resistance of the ion nitrocarburized layer under different conditions. This because that synergetic effect of friction reduction and wear resistance is produced between n-Na₂B₄O₇ additive and ion nitrocarburized layer under higher temperature, frequence and load, and the chemical reaction films including oxide, nitride, BN, and sulphide and so on formed on the friction surface play the solid lubrication function, and the n-Na₂B₄O₇ particles on the friction surface play the "Micron nanobearing" function, translating the sliding friction into the rolling friction, which can make the ion nitrocarburized layer possess the excellent tribological performances.

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Periodical:

Advanced Materials Research (Volumes 1120-1121)

Pages:

254-259

DOI:

https://doi.org/10.4028/www.scientific.net/AMR.1120-1121.254

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Online since:

July 2015

Authors:

C.H. Hu*, Hai Jiang, Yun Feng Du, Hai Peng Wang, Zhi Chang Deng

Keywords:

Chemical Reaction Film, Ion Nitrocarburized Layer, Micron Nanobearing" Function, n-Na₂B₄O₇ Additive, Tribological Performances

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* - Corresponding Author

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