Study on Tribological Performances of n-Na2B4O7/ion Nitrocarburized Duplex Layer at Different Temperatures

C.H. Hu; Zhi Chang Deng; Bao Shan Bian; Long Li; Hai Tao Wang

doi:10.4028/www.scientific.net/AMR.1004-1005.1305

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HomeAdvanced Materials ResearchAdvanced Materials Research Vols. 1004-1005Study on Tribological Performances of...

Study on Tribological Performances of n-Na₂B₄O₇/ion Nitrocarburized Duplex Layer at Different Temperatures

Abstract:

The paper studied the tribological performances of n-Na₂B₄O₇/ion nitrocarburized duplex layer at different temperatures. It is found that the n-Na₂B₄O₇/ion nitrocarburized duplex layer has more excellent friction reduction and wear resistance performances than the intermediate frequency quenched surface under CD15W-40 oil lubricating at different temperatures, especially at the higher temperature 100°C, the friction factor and volume loss of the duplex layer is 63% and 96% less than that of the intermediate frequency quenched surface respectively, which indicates that n-Na₂B₄O₇/ion nitrocarburized duplex layer can play more excellent friction reduction, wear resistance and scuffing resistance performances at the relative higher temperature. This because that the chemical reaction films including oxide, BN 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.

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Periodical:

Advanced Materials Research (Volumes 1004-1005)

Pages:

1305-1310

DOI:

https://doi.org/10.4028/www.scientific.net/AMR.1004-1005.1305

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Online since:

August 2014

Authors:

C.H. Hu*, Zhi Chang Deng, Bao Shan Bian, Long Li, Hai Tao Wang

Keywords:

Chemical Reaction Film, Micron Nano Bearing Function, n-Na₂B₄O₇/Ion Nitrocarburized Duplex Layer, Tribological Performances

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* - Corresponding Author

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