《Table 2 Content of elements on the worn surfaces with and without the impact of electromagnetic fie

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《Lubricating Performance of Rapeseed Oil Under Electromagnetic Field》

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The distribution of the oxygen element on the worn surfaces is shown in Figure 7.It can be observed clearly from Figure 7 that the oxygen element identified under electromagnetism impact was more densely distributed than that obtained from specimen obtained without the impact of electromagnetic field.This fact was supported by the data of Table 2 that the concentration of oxygen element in the specimen exposed to electromagnetic field（45.79%）was higher than that in the specimen without being exposed to electromagnetic field（39.79%）.The above results indicated that the electromagnetic field contributed to the interaction of O element with the friction surface，resulting in the formation of a thicker and compacter oxidation film to improve the anti-wear and friction-reducing ability of rapeseed oil.