The paper presents a review of the actual situation on the knowledge of the ductile fracture propagation (DFP) control in very high strength, large diameter pipes tested at high hoop stresses, especially in the light of the recent years activity performed by CSM in cooperation with qualified pipe producers and gas companies. The results obtained in a series of full scale tests which demonstrate the good performance of X70 - X100 grade steels are first analysed in terms of traditional fracture parameters, such as the Charpy-V energy used so far for lower strength materials, without much success. Then recent efforts in the development of a 3D-FEM physical model based on CTOA ( Crack Tip Opening Angle) including a process zone associated with the crack tip and the constraint effects due to the soil backfill are also illustrated in conjunction with the first promising results obtained.


    Zugriff

    Zugriff über TIB

    Verfügbarkeit in meiner Bibliothek prüfen

    Bestellung bei Subito €


    Exportieren, teilen und zitieren



    Titel :

    Designing against ductile fracture propagation in very high strength steel gas pipelines: A review


    Weitere Titelangaben:

    Vermeidung der duktilen Bruchfortschreitung in hochfesten Stählen für Gaspipelines durch geeignete Konstruktion: Eine Übersicht


    Beteiligte:


    Erscheinungsdatum :

    2000


    Format / Umfang :

    18 Seiten, 19 Bilder, 20 Quellen



    Medientyp :

    Aufsatz (Konferenz)


    Format :

    Print


    Sprache :

    Englisch




    Fracture propagation control in very high strength gas pipelines

    Buzzichelli, G. / Scopesi, L. | Tema Archiv | 2000



    Requirements for control of ductile fracture propagation in large-diameter gas transmission pipelines

    Rothwell, A.B. / Urednicek, M. / Gilroy-Scott, A. | Tema Archiv | 1981


    Prediction of Ductile Fracture Propagation of High Strength Steels in Automotive Structures

    Sato, Kentaro / Futatsuka, Takayuki / Okada, Hideyuki et al. | British Library Conference Proceedings | 2019


    Prediction of Ductile Fracture Propagation of High Strength Steels in Automotive Structures

    Okada, Hideyuki / Fukagawa, Kenichiro / Sato, Kentaro et al. | SAE Technical Papers | 2019