Further results in J and CTOD estimation procedures for SE(T) fracture specimens - Part II: Weld centerline cracks

Author(s)

Paredes, Marcelo ^[1] ; Ruggieri, Claudio ^[1]

Affiliation

^[1] Dept Naval Architecture & Ocean Engn, BR-05508030 Sao Paulo - Brazil

• Document type: Journal article
• Source: ENGINEERING FRACTURE MECHANICS; v. 89, p. 24-39, JUL 2012.
• Web of Science Citations: 34

Abstract

This work examines the effect of weld strength mismatch on J and CTOD fracture parameters using single edge notch tension (SE(T)) specimens. A central objective of the study is to enlarge on previous J and CTOD estimation procedures based upon plastic eta factors (eta) described in Part I for centerline-cracked welds. The present analyses provide a large set of eta-factors for a wide range of crack sizes (a/W-ratio) and material properties, including different levels of weld strength mismatch, which are applicable in improved estimation equations for J and CTOD for weld centerline notched SE(T) specimens. (C) 2012 Elsevier Ltd. All rights reserved. (AU)

• FAPESP's process: 08/54208-3 - Avaliação de criticidade de defeitos em juntas soldadas circunferenciais de dutos e risers rígidos SCRs
• Grantee: Lenin Marcelo Paredes Tobar
• Support Opportunities: Scholarships in Brazil - Doctorate (Direct)
• FAPESP's process: 09/54229-3 - Structural integrity of circumferential welded joints in pipelines and risers
• Grantee: Claudio Ruggieri
• Support Opportunities: Regular Research Grants