Transferability of Fracture Mechanical Characteristics

0177831 - UFM-A 20023029 RIV NL eng M - Monography Chapter
Dlouhý, Ivo - Kozák, Vladislav - Holzmann, Miloslav
Toughness Scaling Model Applications.
Transferability of Fracture Mechanical Characteristics. 78. Dordrecht: Kluwer Academic Publishers, 2002 - (Dlouhý, I.), s. 195-212. NATO Science Series. Mathematics, Physics and Chemistry. 2
R&D Projects: GA AV ČR IAA2041003; GA MŠMT ME 303
Institutional research plan: CEZ:AV0Z2041904
Keywords : Fracture toughness transferability * pre cracked Charpyspecimen * toughness scaling models
Subject RIV: JL - Materials Fatigue, Friction Mechanics

The applications of toughness scaling diagrams for correction of fracture toughness data in regime of constraint loss have been followed. The applications included adjustment of invalid data from standard specimens and correction of fracture toughness values generated by pre-cracked Charpy type specimens (P-CVN). Standard three point bend specimens have been tested to get the reference values. The Dodds-Anderson toughness scaling model was applied for toughness data correction and transfer from P-CVN specimens being combined with master curve methodology for fracture toughness - temperature diagram quantification. Local parameters, Weibull stress and parameter of scatter have been applied for another toughness scaling diagram calculation. Also in this case good correlation of predicted data with the real fracture behaviour has been found.
Permanent Link: http://hdl.handle.net/11104/0074735