Publications
| Title | | Authors |
|---|---|
| Evaluation of ductile fracture propagation resistance in high grade (X70) pipeline steels with full scale and laboratory tests « back |
F Bonomo, M G Buzzichelli, G Demofonti, A Maresca, F Nocolazzo, M Spedaletti, M De Lisi, A De Vito, L Rizzi, G Re and S Venzi |
| 6th PRCI/EPRG Joint Technical Meeting, Camogli, Italy, September 1985 | |
| Two series of experimental results related to high strength line pipes ( >, X70) are reported and discussed in the light of Arrest/Propagation events obtained in full scale burst tests, a number of which performed with full instrumentation by N.ITALSIDER/CSM. The systematic deficiency of Q.T. materials in terms of ductility, with respect to traditional materials taken as a basis for the setting-up of reliable formulations, as well as the inadequacy of Charpy-V parameter in the highly separated C.R. materials will be pur into evidente. It will be also shown how the CTOA Propagation parameter worked out from laboratory tests is potentially able to distinguish among various classes of steels, otherwise undifferentiated in terms of CV, and may help rationalizing the full scale data of Q.T. and C.R.S. | |
| Paper request | |