A series of important projects aimed to investigate the suitability of X100 grade steels for high pressure pipeline use have been carried out in the recent years. The worldwide recognized opinion is that X100 steel pipes are nowadays industrially producible and their use has been demonstrated to be economically viable too, but limitations might occur to their application if important aspects related to their structural reliability are not fully clarified. One of the essential points deals with the general fracture properties of these ultra high strength line pipe materials, like defect tolerance, ductile to brittle transition and fracture arrest capability. In this paper a few results/experiences gained in the recent past about the general fracture behaviour of X100 steel grade large diameter pipes (including defect tolerance, ductile to brittle transition and ductile fracture arrest capability) are reviewed and discussed.
X100 - fracture initiation and propagation
X100 - Brucheinleitung und -ausbreitung
2005
11 Seiten, 6 Bilder, 1 Tabelle, 33 Quellen
Conference paper
Storage medium
English
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