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Recent content by relengr

  1. relengr

    SN curve for Natural Rubber

    ParaDoc, Gotcha. Thanks again.
  2. relengr

    SN curve for Natural Rubber

    Thanks ParaDoc. I will look into your suggestions. One other condition that may affect at least part of my analysis is the size of the unsupported space. If there is enough of a cavity for the seal to extrude into, then I may be experiencing some yielding so to speak and the phenomenon may...
  3. relengr

    o-ring fatigue

    I have a situation in which an o-ring is subjected to pressure variations. In time, the o-ring can fail which results in a leak. A previous thread on this website discussed some of the problems with applying S/N techniques to rubber. My question is are there some references available that...
  4. relengr

    SN curve for Natural Rubber

    Ok, so I gather that S/N curves are not considered a good way to characterize how rubber products survive under cyclic loading. How do I go about describing how a rubber product will survive? I have a hydraulic o-ring that is subjected to various pressure loads throughout its life. In some...

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