Evaluation of the Efficiency of Fluoropolymer Gaskets Taking Cold Flow into Account

被引：0
|
作者：
Kuzmin, A. A. [1 ]
Ponomarenko, E. A. [1 ]
Yablokova, M. A. [1 ]
机构：
[1] Tech Univ, St Petersburg State Inst Technol, St Petersburg, Russia
来源：
CHEMICAL AND PETROLEUM ENGINEERING | 2022年 / 57卷 / 11-12期
关键词：
tightness; fluoroplast-4; flange; gasket; relaxation; specific pressure; time; stress;
D O I：
10.1007/s10556-022-01033-z
中图分类号：
TQ [化学工业];
学科分类号：
0817 ;
摘要：
The sealing and relaxation characteristics of fluoroplast-4 gaskets are studied. It is established that, at the same specific pressure, the use of wider gaskets can increase sealing of the working pressure by about 25%. The influence of the stress level and time on the value of the relaxation modulus is also studied. A safety coefficient is proposed that takes the relaxation of specific pressures into account. Results of a control experiment conducted to assess the adequacy of the relaxation model are presented along with practical recommendations.
引用
收藏
页码：970 / 975
页数：6
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