Factors influencing superplastic behavior in a magnesium ZK60 Alloy processed by equal-channel angular pressing
Figueiredo, Roberto B. and Langdon, Terence G. (2009) Factors influencing superplastic behavior in a magnesium ZK60 Alloy processed by equal-channel angular pressing. Materials Science and Engineering: A, 503, (1-2), 141-144. (doi:10.1016/j.msea.2008.04.080).
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Processing by equal-channel angular pressing was used to refine the grain size of a magnesium ZK60 alloy to ~0.8 μm and introduce a superplastic capability. Superplastic elongations up to >1000% were achieved at temperatures of 450 and 473 K but the superplastic behavior was lost at 493 K because of grain growth. The strain rate sensitivity under optimum superplastic conditions was measured as ~0.5 which is consistent with conventional superplastic flow.
|Additional Information:||International Symposium on Bulk Nanostructured Materials: from Fundamentals to Innovation, BNM 2007|
|Keywords:||equal-channel angular pressing, grain stability, magnesium: superplasticity, strain rate sensitivity|
|Subjects:||T Technology > TN Mining engineering. Metallurgy
T Technology > TA Engineering (General). Civil engineering (General)
|Divisions:||University Structure - Pre August 2011 > School of Engineering Sciences > Engineering Materials & Surface Engineering
|Date Deposited:||28 Aug 2009|
|Last Modified:||06 Aug 2015 02:54|
|RDF:||RDF+N-Triples, RDF+N3, RDF+XML, Browse.|
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