Friction and wear behavior of nickel-alloy-based high temperature self-lubricating composites against Si3N4 and Inconel 718

Jinming Zhen, Fei Li, Shengyu Zhu, Jiqiang Ma, Zhuhui Qiao, Weimin Liu, Jun Yang

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摘要

High-temperature self-lubricating nickel-alloy based composites with Ag and three amounts of BaF2/CaF2 eutectic were prepared by hot press sintering technique. Both the composites with 5 wt% and 10 wt% BaF 2/CaF2 eutectic exhibited markedly higher strength than 15 wt% composite. The friction coefficient of the three composites was comparable. All three composites showed the highest wear rate at 600 °C, but very lower at 800 and 900°C. The friction coefficient of the three composites was slightly lower as sliding against Si3N4 than Inconel 718. The friction and wear mechanism was proposed.

源语言英语
页(从-至)1-9
页数9
期刊Tribology International
75
DOI
出版状态已出版 - 7月 2014
已对外发布

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