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Superplastic behaviour of Al-5wt.%Ca-5wt.%Zn alloy

AuthorsRamírez, P.; Alday, F. G.; Adabbo, H. E.; Ruano, Oscar Antonio
KeywordsEutectic alloy
Activation energy
Issue Date1987
CitationMaterials Science and Engineering - A 93 : L11-L15 (1987)
AbstractThe deformation of fine-grained Al-5wt.%Ca-5wt.%Zn eutectic alloy has been investigated. The alloy showed superplastic behaviour between 400 and 500°C with a maximum tensile elongation of 500% and a maximum strain rate sensitivity parameter of 0.32. In the superplastic regime, an activation energy of 134 kJ mol−1 was found, a value close to that for self diffusion in pure aluminium.
Publisher version (URL)http://dx.doi.org/10.1016/0025-5416(87)90433-2
Appears in Collections:(CENIM) Artículos
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