Three-dimensional effects of symmetrically compressing an O-ring with rigid plates are investigated. The O-ring is assumed to be an incompressible elastic material and the mixed boundary value problem is formulated within the framework of classical the linear elasticity theory. Transversely compressing the O-ring between flat rigid plates increases the toroidal radius and induces a reduction in the O-ring cross-sectional radius. This reduction depends strongly on the conditions of contact between plate and O-ring, and the reduced contact pressure may threaten the integrity of the seal. For O-rings compressed radially inward compressed radially inward or outward, most of the radial displacement is accommodated by a change in the toroidal radius with very little actual compression of the ring material. If this effect is not accounted for in the design of the seal, the contact pressure may not be sufficient to secure the seal.
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June 1997
Technical Papers
The Deformation of O-Rings Compressed by Smooth Rigid Plates
W. E. Warren,
W. E. Warren
Department of Civil Engineering, Texas A&M University, College Station, TX 77843
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J. A. Weese
J. A. Weese
Department of Engineering Technology, Texas A&M University, College Station, TX 77843
Search for other works by this author on:
W. E. Warren
Department of Civil Engineering, Texas A&M University, College Station, TX 77843
J. A. Weese
Department of Engineering Technology, Texas A&M University, College Station, TX 77843
J. Energy Resour. Technol. Jun 1997, 119(2): 73-80 (8 pages)
Published Online: June 1, 1997
Article history
Received:
May 3, 1996
Revised:
February 7, 1997
Online:
November 6, 2007
Citation
Warren, W. E., and Weese, J. A. (June 1, 1997). "The Deformation of O-Rings Compressed by Smooth Rigid Plates." ASME. J. Energy Resour. Technol. June 1997; 119(2): 73–80. https://doi.org/10.1115/1.2794979
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