Abstract
IT is of both theoretical and practical interest to consider how a growing crack will behave at the structural discontinuity presented by a weld pass interface. Recently we were concerned with how a crater crack in a 5356 aluminium alloy (5 per cent magnesium type) would behave when mechanically forced to grow to the weld pass interface in a multipass weld. We have found, basically, that cracks in a multipass weld have certain significant properties which pertain to the performance and especially the structure of the weld metal.
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References
Cottrell, A. H., “Theoretical Aspects of Fracture”, 1–12, Preprint Volume, Conference on Fracture, April 12–14, 1959, U.S. National Academy of Sciences—National Research Council.
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RADD, F. Crack Behaviour at a Weld Structure Discontinuity. Nature 184, 543–544 (1959). https://doi.org/10.1038/184543a0
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DOI: https://doi.org/10.1038/184543a0
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