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Development of a New Simple Protocol and Test Device for the Detection and Measurement of Elastomeric Seal Material By-Pass Leak

[+] Author Affiliations
D. Fribourg, Y. Morio, Y. Birembaut

CETIM, Nantes Cedex, France

Paper No. PVP2006-ICPVT-11-93642, pp. 281-286; 6 pages
doi:10.1115/PVP2006-ICPVT-11-93642
From:
  • ASME 2006 Pressure Vessels and Piping/ICPVT-11 Conference
  • Volume 2: Computer Technology
  • Vancouver, BC, Canada, July 23–27, 2006
  • Conference Sponsors: Pressure Vessels and Piping Division
  • ISBN: 0-7918-4753-5 | eISBN: 0-7918-3782-3
  • Copyright © 2006 by ASME

abstract

When leakage measurement on an elastomeric seal is performed with a tracer gas (helium), the measured global leak is the result of the combination of the two following phenomena: a) a phenomenon of gas permeation related to the solubility and diffusion of gas in and through the material, b) a phenomenon of by-pass or interfacial leakage related to the gas flow around the seal due to geometrical defaults at the interface (capillaries, cuts, seal and groove surface quality, etc).

Copyright © 2006 by ASME
Topics: Sealants , Leakage

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