SYMPOSIA PAPER Published: 01 January 1981
STP29318S

Proof-Load Determination for Pressure Vessels Wound with Aramid Fiber

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The paper presents a method of determining the proof pressure that can guarantee a design lifetime for Kevlar-49/epoxy pressure vessels. The method is based on the assumption that, when taken from the same population, a statically strong vessel is also strong in stress rupture. The lifetime data available at higher pressures are extrapolated to estimate the lifetime distributions at lower pressures. In so doing, we assume that the lifetime distribution is exponential and that the characteristic lifetime is related exponentially to the applied pressure divided by the average burst pressure. Two examples are given to illustrate the method.

Author Information

Hahn, HT
Lawrence Livermore Laboratory, University of California, Livermore, Calif.
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Details
Developed by Committee: D30
Pages: 361–375
DOI: 10.1520/STP29318S
ISBN-EB: 978-0-8031-4800-0
ISBN-13: 978-0-8031-0700-7