High-strength extruded Mg96Ni2Y1RE1 alloy exhibiting superplastic behaviour

Pérez, Pablo, Gonzalez Sanchez, Sergio, Garcés, Gerardo, Caruana, G. and Adeva, Paloma (2008) High-strength extruded Mg96Ni2Y1RE1 alloy exhibiting superplastic behaviour. Materials Science and Engineering: A, 485 (1-2). pp. 194-199. ISSN 0921 5093

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Official URL: http://dx.doi.org/10.1016/j.msea.2007.07.083

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.

Item Type: Article
Uncontrolled Keywords: Magnesium alloys; Mechanical properties; Superplasticity
Subjects: F200 Materials Science
Department: Faculties > Engineering and Environment > Mechanical and Construction Engineering
Depositing User: Becky Skoyles
Date Deposited: 10 Nov 2015 15:25
Last Modified: 10 Mar 2016 12:00
URI: http://nrl.northumbria.ac.uk/id/eprint/24394

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