Cavitation during the superplastic deformation of an α/β brass
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- Humphries, C.W. & Ridley, N. J Mater Sci (1978) 13: 2477. doi:10.1007/BF00808064
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Cavitation during superplastic tensile flow has been studied in anα/β brass using metallography and precision density measurements. Cavities nucleated primarily at triple points and were sometimes associated with small second phase particles. The level of cavitation increased as strain, strain rate and grain size were increased and as the temperature was decreased. The influence of these variables can be interpreted in terms of their effects on cavity nucleation and/or cavity growth rates.