Mechanical Sciences
Mechanical Sciences
Mechanical Sciences
Articles | Volume 17, issue 1
Articles | Volume 17, issue 1
https://doi.org/10.5194/ms-17-123-2026
© Author(s) 2026. This work is distributed under
the Creative Commons Attribution 4.0 License.
https://doi.org/10.5194/ms-17-123-2026
© Author(s) 2026. This work is distributed under
the Creative Commons Attribution 4.0 License.
Articles | Volume 17, issue 1
Research article
 | 
16 Feb 2026
Research article |  | 16 Feb 2026

Sealing performance of O-ring under coupled thermo-mechanical conditions

Ye Jing, Zhenyi Yuan, Kai He, Lingfei Kong, and Guigeng Yang

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Short summary
This study analyzes O-ring sealing failure under low-temperature and high-pressure conditions using a finite element model. Results show that retaining rings improve sealing pressure and prevent extrusion. Low temperatures reduce contact pressure, increasing leakage risk. Larger O-ring diameters enhance sealing.
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