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Effect of silver-organic precursor on friction and wear

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Purpose ‐ The purpose of this paper is to study the effect of silver (Ag) precursor on friction and wear. Design/methodology/approach ‐ Thermogravimetric analysis of the oil with Ag precursor and X-ray diffraction of the decomposition product of the Ag complex were performed. The tribological behavior was evaluated on a UMT-3M Tribometer (CETR) using pure military-grade oil lubricant and the prepared lubricant at room temperature and at 300°C. Energy-dispersive spectroscopy of the chemical composition on the wear scar was performed. Findings ‐ When there is 1 weight per cent Ag precursor in the lubricant, the coefficient friction reduces by about 8 per cent at room temperature and by about 14 per cent at 300°C, and the wear probability also decreases, from moderate wear to mild wear at 300°C. There were more productions which could form metal Ag boundary films possessing low shearing stress and excellent lubricity at 300°C. Originality/value ‐ Ag precursors used as additives in a military-grade oil lubricant and excellent lubricity found at high temperature.
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Keywords: Friction; Silver precursor; Thermogravimetric analysis; Wear

Document Type: Research Article

Publication date: April 8, 2014

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