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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Description/Abstract
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.
| Item Type: | Article |
|---|---|
| Additional Information: | International Symposium on Bulk Nanostructured Materials: from Fundamentals to Innovation, BNM 2007 |
| ISSNs: | 0921-5093 (print) |
| Related URLs: | |
| 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 |
| Item ID: | 67627 |
| Date Deposited: | 28 Aug 2009 |
| Last Modified: | 01 Jun 2011 15:03 |
| Contributors: | Figueiredo, Roberto B. (Author) Langdon, Terence G. (Author) |
| Date: | 15 March 2009 |
| Additional Information: | International Symposium on Bulk Nanostructured Materials: from Fundamentals to Innovation, BNM 2007 |
| Status: | Published |
| URI: | http://eprints.soton.ac.uk/id/eprint/67627 |
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