High-strength extruded Mg96Ni2Y1RE1 alloy exhibiting superplastic behaviour

Pablo Pérez, Sergio Gonzalez Sanchez, Gerardo Garcés, G. Caruana, Paloma Adeva

Research output: Contribution to journalArticlepeer-review

21 Citations (Scopus)

Abstract

Microstructural and mechanical characterisation of Mg96Ni2Y1RE1 alloy have been performed in the 25–400 °C temperature range. The material was processed by melting, casting and subsequent extrusion at 400 °C. The microstructure of the extruded material showed the alignment of several phases (Mg12RE, Mg2Ni and a long periodic ordered phase) along the magnesium dendrites. This microstructure provides high strength up to 250 °C, which has been correlated with load transfer from the matrix to the intermetallic phases. At higher temperatures the material exhibits superplastic behaviour.
Original languageEnglish
Pages (from-to)194-199
JournalMaterials Science and Engineering: A
Volume485
Issue number1-2
DOIs
Publication statusPublished - 25 Jun 2008

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