Chinan Chen's scientific contributions

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Publications (1)

Influence of normal load and sliding speed on dry sliding friction of steel GCr15
  • Article

July 1993

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7 Reads

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164 Citations

Mocaxue Xuebao/Tribology

You Wang

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Mei Su

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Chinan Chen

The relationship between the variation of friction coefficient of steel GCr15 against the hard alloy YG8 and the normal load as well as the sliding speed under dry sliding condition was studied. The results showed that the friction coefficient decreases with the increase of load and speed. On the basis of surface temperature calculation and of the change on worn surface, it was considered that the flash temperature increases with the increase in load and/or speed. This results in the partial melting of the frictional surface, i.e. the boundary lubrication is formed, as a consequence, the friction coefficient decreases. Besides, there is a decrease in the difference of friction coefficients among different microstructures under the condition of high load and/or speed.

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