Abstract
Until now, studies have shown that stresses on the plane (y-z plane) perpendicular to the circumferential direction (x-axis) of an O-ring do exist. Stresses on the planes (x-y plane and x-z plane) parallel to the circumferential direction of the O-ring have not been reported to exist. In this study however, it is demonstrated through a 3-dimensional stress analysis that stresses on the x-y plane and x-z plane of the O-ring under uniform squeeze rate and internal pressure do exist. Therefore, to study effectively 3-dimensional stress distributions of an O-ring under these loadings, stress distributions of every plane should be analyzed. This study develops a photoelastic experimental hybrid method to analyze 3-dimensional stress distributions of an O-ring under uniform squeeze rate and internal pressure, and uses it to determine the stress distributions in every plane, including the Von Mises equivalent stresses, at any arbitrary point of the O-ring under uniform squeeze rate and internal pressure.
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This paper was recommended for publication in revised form by Associate Editor Mohammad Abdul Aziz Irfan
Jai-Sug Hawong received a B.S. in Mechanical Engineering from Yeungnam University in 1974. Then he received his M.S. and Ph.D from Yeungnam University in Korea in 1976 and from Kanto Gakuin University in Japan in 1990, respectively. Prof. Hawong is currently a professor at the school of Mechanical Engineering at Yeungnam University, in Gyeongsan city, Korea. He served as President of Korea Society Mechanical Engineering in 2010. Prof. Hawong’s research interests include static and dynamic fracture mechanics, stress analysis, experimental mechanics for stress analysis and composite material, etc.
Jeong-hwan Nam received a B.S. in Mechanical Engineering from Yeungnam University in 1986. Then he received his M.S. and Ph.D from Yeungnam University in Korea in 1996 and from Saitama Institute of Technology in Japan in 2005, respectively. Dr. Nam is currently a researcher at the school of Mechanical Engineering at Yeungnam University, in Gyeongsan city, Korea. Dr. Nam’s research interests include mechanical design, stress analysis and experimental mechanics for stress analysis, etc.
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Nam, J.H., Hawong, J.S., Liu, Y. et al. 3-Dimensional stress analysis of O-ring under uniform squeeze rate and internal pressure by photoelastic experimental hybrid method. J Mech Sci Technol 25, 2447–2455 (2011). https://doi.org/10.1007/s12206-011-0715-2
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DOI: https://doi.org/10.1007/s12206-011-0715-2