Internal stress distribution of X-ring using photoelastic experimental hybrid method

Title
Internal stress distribution of X-ring using photoelastic experimental hybrid method
Author(s)
황재석아룬다베르나드임현석신동철[신동철]
Keywords
UNIFORM SQUEEZE RATE; O-RING; ORTHOTROPIC COMPOSITES; PRESSURE
Issue Date
201405
Publisher
KOREAN SOC MECHANICAL ENGINEERS
Citation
JOURNAL OF MECHANICAL SCIENCE AND TECHNOLOGY, v.28, no.5, pp.1697 - 1708
Abstract
Sealing elements are essential parts of many machines, and are used to prevent the loss of a fluid or gas. When such fluids are not properly sealed, catastrophic failures may result. Many different types of rings have been developed to suit various industrial needs. Considerable research has been done on the O-ring. We analyze the internal stresses developed in an X-ring under a uniform squeeze rate of 20%, which is suitable for static applications, using a photoelastic experimental hybrid method. The internal pressures applied were 0.98, 1.96, 2.94, 3.92, 4.90, and 5.88 MPa. We show that sealing rings with X geometry have considerably higher internal stresses than O-ring seals. In addition, we demonstrate that after extrusion, for an internal pressure of 5.88 MPa, the two lobes on the upper contact surface merge, thereby increasing the contact length of the upper side significantly. Extrusion in the X-ring occurred when the internal pressure was 4.90 MPa.
URI
http://hdl.handle.net/YU.REPOSITORY/32213http://dx.doi.org/10.1007/s12206-014-0314-0
ISSN
1738-494X
Appears in Collections:
공과대학 > 기계공학부 > Articles
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