...Naoki Miura; Naoki Soneda The fracture toughness master curve shows the relationship between the median of fracture toughness and temperature in the ductile–brittle transition temperature region of ferritic steels such as reactor pressure vessel (RPV) steels. The master curve approach specified...

... of pipes with penetrating cracks was estimated and compared with the experimental results, meanwhile the fracture processes of the pipeline structure in the ductile-brittle-transition-temperature region were reproduced. It has been shown that the fracture process in the transition region strongly depends...

... methods ductile-brittle transition brittle fracture ductile fracture probability pipelines natural gas technology stress corrosion cracking In natural gas pipelines, there are many events that could lead to the initiation of an axial through-wall defect. For instance, stress corrosion...

...Bostjan Bezensek; John W. Hancock Enhanced levels of toughness due to loss of crack tip constraint have been related to temperature shifts in the ductile–brittle transition curve. An argument to quantify the temperature shift is developed using the self-similarity of near-tip stress fields under...

... due to prestrain was dependent on the ductile-brittle transition temperature of the steels without prestrain. A few percent of ε pr induced the ductile-brittle transition for the steels with a higher transition temperature. The compressive ε pr had larger effects on both reduction of critical CTOD...