Current standard of fracture toughness curve

As shown in Fig. 10.6, the Master Curve well describes a large amount of data for western steels (Sokolov and Nanstad, 1999). Likewise, Plate Vll (see colour section between pages 202 and 203) shows a similar comparison [Pg.309]

Midland weld - beltline unirradiated Kjc (MPaVrn) A 1/2 TCT specimens o 1 TCT specimens 2 TCT specimens V 4 TCT specimens [Pg.310]

4 The test procedure in E-1921 allows the determination of To with a relatively small number of relatively small specimens. The results from (a) six small (0.5T) specimens tested at one temperature provide an excellent characterization of the results from (b) a large number of specimens up to 4T size (Nanstad et al., 1999). [Pg.310]

5 Fracture toughness, data shown in Fig. 10.2, with (a) showing that the Master Curve provides a good representation of the data, while (b) shows the ASME K lower bound curve and (c) shows various tolerance bounds (Sokolov, 1998). [Pg.311]

Unirradiated base and weid metais, totai number n [Pg.312]

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