Research on the Wear Morphologies of NBR/FKM Blend under Dry Friction

Rui Nie; Shi Jie Wang; Xiao Ren Lv; Yu Zeng Zhang; Rui Zhan

doi:10.4028/www.scientific.net/AMR.602-604.2197

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HomeAdvanced Materials ResearchAdvanced Materials Research Vols. 602-604Research on the Wear Morphologies of NBR/FKM Blend...

Research on the Wear Morphologies of NBR/FKM Blend under Dry Friction

Abstract:

At the beginning stage of the progressing cavity pump (PCP) operation or working in the oil well with high gas content, the stator and rotor of PCP usually operate under dry sliding. Analyzing the wear morphology of stator rubber and discussing wear mechanism are very important for choosing the best stator rubber for different working conditions, which is directly related to the service life of PCP. Wear behavior of NBR/FKM blend rubber (10:0、3:7、7:3、8:2、0:10) was investigated at room temperature using a MPV-600 ring-on-block tester under dry sliding. The wear morphology of blend was analyzed through the stereomicroscope and the wear mechanism was also discussed. The results show that different blend own different wear mechanism. The wear mechanism of NBR/FKM=8:2 blend rubber is fatigue wear, which is better than the others under dry friction.

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Periodical:

Advanced Materials Research (Volumes 602-604)

Pages:

2197-2200

DOI:

https://doi.org/10.4028/www.scientific.net/AMR.602-604.2197

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Online since:

December 2012

Authors:

Rui Nie, Shi Jie Wang, Xiao Ren Lv, Yu Zeng Zhang, Rui Zhan

Keywords:

Dry Sliding, NBR/FKM Blend, Progressing Cavity Pump (PCP), Rubber Stator, Wear Mechanism, Wear Morphology

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