GB/T 35083.2-2018 Plain bearings—Testing of the tribological behaviour of bearing materials—Part 2:Testing of polymer-based bearing materials

Scope

This part of GB/T 35083 specifies the tribological testing methods for polymer bearing materials used in sliding bearings under specific working conditions, such as load-bearing capacity, sliding speed, temperature, and with or without lubrication. Through the test results, the tribological performance data of metal-polymer or polymer-polymer friction pairs can be obtained. The purpose of this part is to obtain the reproducible friction and wear values of polymer bearing materials used in sliding bearings and their counterpart materials under specified and clearly defined test conditions, both in the case of no lubrication (dry friction surface) and with lubrication (boundary lubrication). Only when all influencing parameters are the same can the test results be practical for actual applications. The more the test conditions deviate from the actual application situation, the higher the uncertainty of the applicability of the test results.

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