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HomeApplied Mechanics and MaterialsApplied Mechanics and Materials Vols. 479-480Step-Stress Accelerated Degradation Testing of NBR...

Step-Stress Accelerated Degradation Testing of NBR Sealing Ring

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Abstract:

As an important performance parameter of nitrile-butadiene rubber（NBR）sealing ring, the compression set is a main factor influencing rubber's life. Using the compression set amount as its degradation measurement and the temperature as accelerating stress, we perform the design and actual implementation of a set of accelerated degradation test of NBR considering step-stress. Then we evaluate the results using accelerated degradation model based on the drift theory of Brownian motion. Finally we get the estimation of reliable life of sealing ring under normal temperature. The research in this paper can also offer a new method for the application reliability and life evaluation of rubber products.

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Periodical:

Applied Mechanics and Materials (Volumes 479-480)

Pages:

55-59

DOI:

https://doi.org/10.4028/www.scientific.net/AMM.479-480.55

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Online since:

December 2013

Authors:

Xiao Hong Wang, Li Zhi Wang, Xin Zhang, Qiu Xi Li

Keywords:

Compression Set, Nitrile-Butadiene Rubber (NBR), Step-Stress Accelerated Degradation Testing

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© 2014 Trans Tech Publications Ltd. All Rights Reserved

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