Step-stress Accelerated Degradation Testing of NBR Sealing Ring

被引：3

作者：

Wang, Xiaohong ^{[1
]}

Wang, Lizhi ^{[1
]}

Zhang, Xin ^{[1
]}

Li, Qiuxi ^{[1
]}

机构：

[1] Beihang Univ, Sch Reliabil & Syst Engn, Beijing 100191, Peoples R China

来源：

APPLIED SCIENCE AND PRECISION ENGINEERING INNOVATION, PTS 1 AND 2 | 2014年 / 479-480卷

关键词：

Nitrile-butadiene rubber (NBR); compression set; Step-stress accelerated degradation testing; THERMAL-DEGRADATION; ACRYLATE RUBBER; BEHAVIOR;

D O I：

10.4028/www.scientific.net/AMM.479-480.55

中图分类号：

TH [机械、仪表工业];

学科分类号：

0802 ;

摘要：

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.

引用

页码：55 / 59

页数：5

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