Abstract
A number of reactions may take place in the liquid weld metal, firstly in the liquid drop at the electrode tip, secondly during transfer from electrode to weld pool, and thirdly in the weld pool itself. These reactions include:
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(a)
Solution of gas, causing gas-metal reactions or reaction with elements dissolved in the liquid metal.
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(b)
Evolution of gas, causing porosity and/or embrittlement.
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(c)
Reaction with slag or flux.
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Further Reading
Davies, G. J. and J. G. Garland 1975. Solidification structures and properties of fusion welds. International Metallurgical Reviews 20, 83–106.
Pfluger, A. R. and R.E. Lewis 1968. Weld imperfections. Reading, Mass.: Addison-Wesley.
American Welding Society 1977. Welding handbook, 7th edn, Section 1. Miami: AWS; London: Macmillan.
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© 1980 J. F. Lancaster
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Lancaster, J.F. (1980). Metallurgical effects of the weld thermal cycle. In: Metallurgy of Welding. Springer, Dordrecht. https://doi.org/10.1007/978-94-010-9506-8_4
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DOI: https://doi.org/10.1007/978-94-010-9506-8_4
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