INFLUENCE OF INADEQUATE JOINT PENETRATION ON TENSILE BEHAVIOR OF A514 STEEL WELDS
In this investigation A-514 F steel butt welds which contained defects such as inadequate joint penetration (IJP), or incomplete fusion, were strained in tension to failure. The load deflection data from each test was used to determine the value of the J-integral at maximum load. A limit load analysis was developed for the welds which predicts three regions of tensile behavior depending upon the width of the IJP: high toughness (IJP unimportant), transitional, low toughness (IJP dominates behavior). The size of IJP defects which define the boundaries between these regions were defined as 2a amd 2a and could be predicted by the limit load analysis. The use of the elastic-rigid plastic approximation for the J-integral allowed a fairly accurate relationship between deflection or strain at maximum load and toughness to be developed for the low toughness region of behavior. The use of limit load concepts allowed the ultimate tensile stress to be bounded in the transition and low toughness regions.
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Availability:
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Corporate Authors:
American Welding Society
2501 NW 7th Street
Miami, FL United States 33125 -
Authors:
- Lawrence, F V
- Cox, E P
- Publication Date: 1976-5
Media Info
- Features: References;
- Pagination: p. 113-120
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Serial:
- Welding Journal
- Volume: 55
- Issue Number: 5
- Publisher: American Welding Society
- ISSN: 0043-2296
Subject/Index Terms
- TRT Terms: Butt welds; Defects; Fracture mechanics; Joints; Materials tests; Research; Steel; Strength of materials; Weld strength; Weld tests; Welding; Welds
- Uncontrolled Terms: Fracture; Weld defects; Welded joints
- Old TRIS Terms: Steel testing; Welding research
- Subject Areas: Marine Transportation; Materials; Research;
Filing Info
- Accession Number: 00147750
- Record Type: Publication
- Source Agency: Engineering Index
- Files: TRIS
- Created Date: Feb 16 1977 12:00AM