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CTOD estimates of surface cracked wide plates in bending—II. Level-3 CTOD method

✍ Scribed by Fujikubo Masahiko; Stig Berge; Torgeir Moan

Publisher: Elsevier Science
Year: 1991
Tongue: English
Weight: 703 KB
Volume: 40
Category: Article
ISSN: 0013-7944
DOI: 10.1016/0013-7944(91)90157-v

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✦ Synopsis

AM&act-The Welding Institute Level-3 crack tip opening displacement (CTOD) method was ezpanded to be applicable to plane strain (Planbstrain Level-3 CLOD method). The delinition of the reference strain is a major source of uncertainty in the application of the Level-3 CTOD method. Two different measures of the reference strain were proposed. Applied CTOD estimates of the surface cracked wide plate in bending were performed using the Level-3 CLOD methods. It was found that the proposed Plane-strain Level-3 CTOD method can provide highly accurate predictions of applied CIOD with a safety factor approximately equal to 1.0 for the surface crack in bending.

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CTOD estimates of surface cracked wide plates in bending—III. The wide plate with overmatched welded joint

✍ Fujikubo Masahiko; Stig Berge; Torgeir Moan 📂 Article 📅 1991 🏛 Elsevier Science 🌐 English ⚖ 984 KB

Ah&&-Applied crack tip opening displacement (CTOD) of the surface cracked wide plate having an overmatched welded joint in bending was estimated by using the Level-3 CfOD methods. Two crack locations, in the weld metal and along the fusion line, were considered. Three dimensional elastic-plastic fin