Study on J-integral with SENB specimens in a condenser material

A series of tests was performed with three-point single-edge-notched-bend (SENB) specimens in a condenser material (Titanium alloy). Results show that the J-integral values of welded joint and HAZ are obviously smaller than those of the base metal. It signifies that the welding process can result in...

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Bibliographic Details
Published in:Journal of marine science and application 2004-06, Vol.3 (1), p.91-94
Main Authors: Ren, Zheng-yi, Guo, Er-jun, Li, Qing-fen
Format: Article
Language:English
Subjects:
Base metal
Fracture mechanics
Fracture toughness
Heat affected zone
J integral
Metals
Orientation effects
Titanium
Titanium base alloys
Toughness
Welded joints
Welding
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Summary:A series of tests was performed with three-point single-edge-notched-bend (SENB) specimens in a condenser material (Titanium alloy). Results show that the J-integral values of welded joint and HAZ are obviously smaller than those of the base metal. It signifies that the welding process can result in a reduced toughness of Titanium alloy and the effect of crack orientation on toughness value is not negligible for engineering applications. Besides, the J-integral values of L-T direction specimens are much higher than those of L-S ones. The J-integral values of rolled ring are: JC-R>JC-L>JL-R.
ISSN:1671-9433
1993-5048
DOI:10.1007/BF02918655