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Ductile growth of crack like flawing during hydrotest; Propagacao dutil de defeitos planares durante teste hidrostatico

Abstract

In this paper effects of hydrostatic testing on ductile propagation of crack like flaw defects were evaluated in API X-60 steel. The model used was based on the J-tearing theory, supported by elastic - plastic fracture mechanics. The J-initiation resistance values (JIc) were determined by fracture mechanic tests using potential drop technique and compact test specimen. The JIc values were also determined from flow stress and Charpy V-notch at plateau, which are both usually available in mill-test data. Despite of being based on small database it seems it could be extended and it will be useful for future analysis. (author)
Authors:
Teixeira, Jose C; Donato, Guilherme V; [1]  Silva, Marcinei S. da; Bastian, Fernando L; [2]  Lima, Romulo S. de [3] 
  1. PETROBRAS, Rio de Janeiro, RJ (Brazil). Centro de Pesquisas (CENPES)
  2. Universidade Federal do Rio de Janeiro (UFRJ), RJ (Brazil). Coordenacao dos Programas de Pos-graduacao de Engenharia (COPPE)
  3. PETROBRAS/AB-RE, Rio de Janeiro, RJ (Brazil)
Publication Date:
Jul 01, 2003
Product Type:
Conference
Report Number:
ETDE-BR-20987451
Resource Relation:
Conference: Rio pipeline 2003 conference and exposition, Rio de Janeiro, RJ (Brazil), 21-23 Oct 2003; Other Information: 5 refs., 7 figs., 4 tabs., 2 photos
Subject:
36 MATERIALS SCIENCE; PIPELINES; DEFECTS; CRACK PROPAGATION; HYDROSTATICS; TESTING; FRACTURE MECHANICS; CHARPY TEST
OSTI ID:
20987451
Research Organizations:
Instituto Brasileiro de Petroleo e Gas (IBP), Rio de Janeiro, RJ (Brazil)
Country of Origin:
Brazil
Language:
Portuguese
Other Identifying Numbers:
TRN: BR0801949
Availability:
Also available from the Library of the Brazilian Nuclear Energy Commission, Rio de Janeiro, in electronic form. Codes: IBP415_03; BR0801949.pdf; Commercial reproduction prohibited; OSTI as DE20987451
Submitting Site:
BR
Size:
[9] pages
Announcement Date:
Apr 04, 2008

Citation Formats

Teixeira, Jose C, Donato, Guilherme V, Silva, Marcinei S. da, Bastian, Fernando L, and Lima, Romulo S. de. Ductile growth of crack like flawing during hydrotest; Propagacao dutil de defeitos planares durante teste hidrostatico. Brazil: N. p., 2003. Web.
Teixeira, Jose C, Donato, Guilherme V, Silva, Marcinei S. da, Bastian, Fernando L, & Lima, Romulo S. de. Ductile growth of crack like flawing during hydrotest; Propagacao dutil de defeitos planares durante teste hidrostatico. Brazil.
Teixeira, Jose C, Donato, Guilherme V, Silva, Marcinei S. da, Bastian, Fernando L, and Lima, Romulo S. de. 2003. "Ductile growth of crack like flawing during hydrotest; Propagacao dutil de defeitos planares durante teste hidrostatico." Brazil.
@misc{etde_20987451,
title = {Ductile growth of crack like flawing during hydrotest; Propagacao dutil de defeitos planares durante teste hidrostatico}
author = {Teixeira, Jose C, Donato, Guilherme V, Silva, Marcinei S. da, Bastian, Fernando L, and Lima, Romulo S. de}
abstractNote = {In this paper effects of hydrostatic testing on ductile propagation of crack like flaw defects were evaluated in API X-60 steel. The model used was based on the J-tearing theory, supported by elastic - plastic fracture mechanics. The J-initiation resistance values (JIc) were determined by fracture mechanic tests using potential drop technique and compact test specimen. The JIc values were also determined from flow stress and Charpy V-notch at plateau, which are both usually available in mill-test data. Despite of being based on small database it seems it could be extended and it will be useful for future analysis. (author)}
place = {Brazil}
year = {2003}
month = {Jul}
}