Can anyone point me to reference works, papers, et.al, on the exact mechanism of failure when a relatively thick vessel wall is below the transistion temperature and then subject to a (large) thermal shock. How does the fracture start, (existing micro-crack?) and where does the energy come from...
B31.3, Cl.302.2.4 (f)1a, allows 33% overstress for up to 10 hrs per instance. Apart from the Wind and/or Seismic allownces, ASME VIII does not appear to have any similar provisions. Since a very considerable amount of 31.3 piping is connected somewhere to an ASME vessel, would anyone care to...
