Kumar, Praveen, Xu, Cheng and Langdon, Terence G.
Mechanical characteristics of a Zn-22% Al Alloy processed to very high strains by ECAP
Materials Science and Engineering: A, 429, (1-2), . (doi:10.1016/j.msea.2006.05.044).
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A Zn–22% Al eutectoid alloy was processed by equal-channel angular pressing for various numbers of passes up to a maximum of 24. Observations show the as-pressed grain size remains constant between 4 and 24 passes and the stress–strain behavior at room temperature is essentially independent of the number of imposed passes when using strain rates of 1.0 × 10?3 and 1.0 × 10?2 s?1. The results provide no evidence for a critical imposed strain marking the onset of higher ductilities.
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