Exact(13)
The investigation results provide a strong support for use of constraint-designed specimens in creep life assessment of pressurized pipes.
Finally, our investigation indicates no correlation, whatsoever, between brittle failures in pressurized pipes and the PENT (Pennsylvania edge-notch tensile test; ASTM F1473) failure times.
Designed in two different sizes for use in pressurized pipes, they are propelled by water flow, can squeeze past small blockages, and are bendy enough to navigate sharp turns.
Thus, the governing material property, namely the stress intensity-crack velocity relationship, is necessary input for designing pressurized pipes and vessels and establishing safe operating conditions.
In this study, the behavior of round holes in pressurized pipes was investigated using finite element analysis (FEA), under the assumption of linear elastic behavior.
The results provide a strong support for use of constraint-designed SE(T) specimens in fracture assessments of pressurized pipes and cylindrical vessels.
Similar(47)
Based on Eq. (2), the critical bending moment of the pressurized pipe can be obtained by introducing the internal pressure as a quadratic polynomial, and described as follows: M_{text{p}} = M cdot left[ {b_{1} cdot left( {{{sigma_{theta } } mathord{left/ {vphantom {{sigma_{theta } } {sigma_{text{s}} }}} right.
Two fairly complex and realistic geometries with cyclic loads are analysed, namely a pipe elbow and a traveling thermal shock in a pressurized pipe.
For example, a water pipe or a sewage pipe may be too close to a pressurized pipe, which could be corroded if the water pipe or the sewage pipe leaked.
Moreover, there is a similar reported application considering flow in a pressurized pipe (Guinot 2003).
The unpressurized pipe buckled in a "diamond shape," while the pressurized pipe buckled in a pipe wall outward bulging shape.
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