Effect of Speed on the Wear Behavior of FKM/NBR Blends under Dry Sliding

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Abstract:

In the start stage of progressing cavity pump (PCP) and the well with high ratio of gas to oil, dry friction usually happens between metal rotor and rubber stator. Therefore, it is very important to investigate wear and frictional behavior of rubber with metal under dry sliding. In this paper, the effect of speed on the friction and wear behavior of three kinds of FKM/NBR blends (FKM, NBR, FKM/NBR=5:5) with the same Shore hardness was investigated using a ring-on-block tester under dry sliding. The morphology of worn surface was measured using stereo microscope. The results show that the queuing order of wear loss and coefficient of friction is NBR

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316-319

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December 2012

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© 2013 Trans Tech Publications Ltd. All Rights Reserved

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