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Tribological Performance of Attapulgite Nano-fiber/Spherical Nano-Ni as Lubricant Additive |
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| Authors: | Feng Nan Yi Xu Binshi Xu Fei Gao Yixiong Wu Zhuguo Li |
| Affiliation: | 1. Shanghai Key Laboratory of Laser Processing and Materials Modification, Shanghai Jiaotong University, Shanghai, 200240, China 2. National Key Laboratory for Remanufacturing, Academy of Armored Forces Engineering, No. 21 Dujiakan, Fengtai District, Beijing, 100072, China 3. State Key Laboratory of Polymer Physics and Chemistry, Institute of Chemistry, Chinese Academy of Sciences, Beijing, 100190, China |
| Abstract: | Tribological properties of attapulgite, Ni and their composite nanoparticles suspended in mineral lubricating oil for a steel–steel contact were investigated with an optimal SRV-IV oscillating friction and wear tester. Results demonstrated that the composite nanoparticles exhibit better friction-reduction and anti-wear properties than the single additives. The oil containing a composite powder of 0.5 % attapulgite and 0.1 % Ni owns the best friction-reduction and anti-wear properties. Under the lubrication of oil containing composite nanoparticles, a smooth and compact tribofilm mainly composed of iron oxides, Ni, NiO and silicon oxide was formed on the rubbing surface. |
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