The difficulty for a sealing element to create and maintain a leak-free joint is determined by its sealing difficulty factor m1, m1 = elastic modulus Ec of its sealing contact layer/elastic modulus Es of its sealing contact layer substrate. Therefore, theoretically the contact layer of a sealing element shall be soft & inelastic and assembled up to its fully yielded deformation to provide a contact layer with a lower value of active elastic modulus Ec, and the contact layer substrate shall be strong & elastic and assembled up to its fully elastic deformation to provide a contact layer substrate with a higher value of active elastic modulus Es. It is the most difficult for a rubber sealing element to create a leak-free joint because its Ec ≡Es, and it is far easier for a metal sealing element than for a rubber sealing element because the metal sealing element can be designed and coated to ensure that assembling can cause its Ec < Es.
| Published in |
International Journal of Energy and Power Engineering (Volume 5, Issue 4-1)
This article belongs to the Special Issue Xu’s Sealing and Flowing Theories of Fluids |
| DOI | 10.11648/j.ijepe.s.2016050401.16 |
| Page(s) | 43-58 |
| Creative Commons |
This is an Open Access article, distributed under the terms of the Creative Commons Attribution 4.0 International License (http://creativecommons.org/licenses/by/4.0/), which permits unrestricted use, distribution and reproduction in any medium or format, provided the original work is properly cited. |
| Copyright |
Copyright © The Author(s), 2016. Published by Science Publishing Group |
Seal, Categorization of seals, Circle-based system of O-ring seals, Minimum necessary sealing stress y, Sealing difficulty factor m1, Leak-free maintenance factor m2, Self-sealing mechanism for material (Mechanism of self-sealing Poisson's deformation caused by fluid pressure), Self-sealing mechanism for O-rings (Mechanism of self-sealing deformation caused by fluid seepage)
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APA Style
Xu Changxiang. (2016). Xu's Sealing Theory and Rectangular & O-Shaped Ring Seals. International Journal of Energy and Power Engineering, 5(4-1), 43-58. https://doi.org/10.11648/j.ijepe.s.2016050401.16
ACS Style
Xu Changxiang. Xu's Sealing Theory and Rectangular & O-Shaped Ring Seals. Int. J. Energy Power Eng. 2016, 5(4-1), 43-58. doi: 10.11648/j.ijepe.s.2016050401.16
AMA Style
Xu Changxiang. Xu's Sealing Theory and Rectangular & O-Shaped Ring Seals. Int J Energy Power Eng. 2016;5(4-1):43-58. doi: 10.11648/j.ijepe.s.2016050401.16
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Download@article{10.11648/j.ijepe.s.2016050401.16,
author = {Xu Changxiang},
title = {Xu's Sealing Theory and Rectangular & O-Shaped Ring Seals},
journal = {International Journal of Energy and Power Engineering},
volume = {5},
number = {4-1},
pages = {43-58},
doi = {10.11648/j.ijepe.s.2016050401.16},
url = {https://doi.org/10.11648/j.ijepe.s.2016050401.16},
eprint = {https://article.sciencepublishinggroup.com/pdf/10.11648.j.ijepe.s.2016050401.16},
abstract = {The difficulty for a sealing element to create and maintain a leak-free joint is determined by its sealing difficulty factor m1, m1 = elastic modulus Ec of its sealing contact layer/elastic modulus Es of its sealing contact layer substrate. Therefore, theoretically the contact layer of a sealing element shall be soft & inelastic and assembled up to its fully yielded deformation to provide a contact layer with a lower value of active elastic modulus Ec, and the contact layer substrate shall be strong & elastic and assembled up to its fully elastic deformation to provide a contact layer substrate with a higher value of active elastic modulus Es. It is the most difficult for a rubber sealing element to create a leak-free joint because its Ec ≡Es, and it is far easier for a metal sealing element than for a rubber sealing element because the metal sealing element can be designed and coated to ensure that assembling can cause its Ec Es.},
year = {2016}
}
TY - JOUR T1 - Xu's Sealing Theory and Rectangular & O-Shaped Ring Seals AU - Xu Changxiang Y1 - 2016/08/24 PY - 2016 N1 - https://doi.org/10.11648/j.ijepe.s.2016050401.16 DO - 10.11648/j.ijepe.s.2016050401.16 T2 - International Journal of Energy and Power Engineering JF - International Journal of Energy and Power Engineering JO - International Journal of Energy and Power Engineering SP - 43 EP - 58 PB - Science Publishing Group SN - 2326-960X UR - https://doi.org/10.11648/j.ijepe.s.2016050401.16 AB - The difficulty for a sealing element to create and maintain a leak-free joint is determined by its sealing difficulty factor m1, m1 = elastic modulus Ec of its sealing contact layer/elastic modulus Es of its sealing contact layer substrate. Therefore, theoretically the contact layer of a sealing element shall be soft & inelastic and assembled up to its fully yielded deformation to provide a contact layer with a lower value of active elastic modulus Ec, and the contact layer substrate shall be strong & elastic and assembled up to its fully elastic deformation to provide a contact layer substrate with a higher value of active elastic modulus Es. It is the most difficult for a rubber sealing element to create a leak-free joint because its Ec ≡Es, and it is far easier for a metal sealing element than for a rubber sealing element because the metal sealing element can be designed and coated to ensure that assembling can cause its Ec Es. VL - 5 IS - 4-1 ER -
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