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Frictional hardening and softening of steel 52100 during dry sliding |
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| Authors: | |
| Affiliation: | (1) Department of Mechanical Engineering, Changchun University, 130022, P.R. China;(2) Department of Mechanical Engineering, University of Alberta, Edmonton, T6G 2G8, Canada;(3) Department of Mechanical Engineering, Ocean University of China, 266003, P. R. China |
| Abstract: | The behavior of frictional hardening and softening of steel 52100 with different microstructures during dry sliding was studied based on dynamic metallographic analysis. It was demonstrated that such frictional behavior significantly affected wear resistance of the steel. The results showed that anti-softening microstructures exhibited a rather better wear resistance; the difference in the wear resistance of various steels with different microstructures was caused by the difference in the energy consumption in surface layers during wear. These results indicate that the original structures and properties of steels should not be taken as the only criterion for judging the wear resistance. It is necessary to consider the influence of dynamic microstructural changes under specific wear conditions in order to evaluate the wear resistance. |
| Keywords: | steel dry sliding wear microstructural change energy consumption |
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