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Preparation and Experimental Study of Graphite Material for Water Lubricated Thrust Bearing of Nuclear Main Pump

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Abstract:

Based on technical difficulties of graphite water-lubricated thrust bearing such as preparation and properties detection, this paper investigated graphite bearing systematically from preparation and property testing, three different types of graphite (#1, #2 and #3) were carried out. The result indicated the tribological properties are poor if the graphitization of graphite is too high or low. The pads of water-lubricated thrust bearing are manufactured by the three kinds of graphite, and the start-stop test were carried out on a test platform for half-size bearing of nuclear primary pump. The result of start-stop test were indicated the graphitization have a visible influence on the wear loss mass of graphite pad.

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Info:

Periodical:

Materials Science Forum (Volume 932)

Pages:

102-106

DOI:

https://doi.org/10.4028/www.scientific.net/MSF.932.102

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Online since:

September 2018

Authors:

Jian Lei Wang*, Chen Zhang, Yun Long Wang, Dong Ping Wang, Qian Jia, Ya Hui Cui, Xiao Yang Yuan

Keywords:

Graphitization Degree, Impregnated Graphite, Nuclear Main Pump, Thrust Bearing

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© 2018 Trans Tech Publications Ltd. All Rights Reserved

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