Lubricious behavior in CVD diamond/iron friction system at 25–700 ˚C

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Abstract

In this paper, we focus on the comparison of the friction for the microcrystalline and ultrananocrystalline diamond films against steel and found the differences between the compositions of the formed lubricious layers. We have found that for the microcrystalline diamond Fe catalyzes a graphite-based lubricious layer while for the ultrananocrystalline diamond the lubricious layer is an amorphous carbon-based. Minimum value of the friction coefficient µ = 0.37 was found for microcrystalline film at 575 ± 25 ˚C.

Original language	English
Pages (from-to)	111-113
Number of pages	3
Journal	Materials Letters
Volume	246
DOIs	https://doi.org/10.1016/j.matlet.2019.02.132
Publication status	Published - 1 Jul 2019

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Keywords

CVD diamond
Diamond friction coefficient
Lubricious behavior

ASJC Scopus subject areas

Materials Science(all)
Condensed Matter Physics
Mechanics of Materials
Mechanical Engineering

Cite this

Zenkin, S., Gaydaychuk, A., & Linnik, S. (2019). Lubricious behavior in CVD diamond/iron friction system at 25–700 ˚C. Materials Letters, 246, 111-113. https://doi.org/10.1016/j.matlet.2019.02.132

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AB - In this paper, we focus on the comparison of the friction for the microcrystalline and ultrananocrystalline diamond films against steel and found the differences between the compositions of the formed lubricious layers. We have found that for the microcrystalline diamond Fe catalyzes a graphite-based lubricious layer while for the ultrananocrystalline diamond the lubricious layer is an amorphous carbon-based. Minimum value of the friction coefficient µ = 0.37 was found for microcrystalline film at 575 ± 25 ˚C.

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Access to Document

10.1016/j.matlet.2019.02.132