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Experimental Study on Secondary Wear of Friction Pair Surface

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Document pages: 7 pages

Abstract: The phenomenon that the hard abrasive grains repeatedly cut the surfacematerial of the parts during wear is very common in wear. In order to study theinfluencing factors of mechanical damage, based on the three-body abrasivewear, this paper discusses the wear of the secondary cutting abrasive. Firstly,the secondary wear model of the hemispherical abrasive grain on the frictionpair surface is established. Secondly, the simulation experiment is carried outon the secondary scratching of the abrasive wear on the surface of the part.Next, the equivalent strain data and the equivalent stress data obtained by theexperiment are subjected to secondary friction analysis. The final results showthat the secondary friction damage of the hemispherical abrasive grain isgreater than one wear.

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