Sivakesavam, O and Prasad, YVRK (2003) Influence of homogenization on the processing map for hot working of as-cast Mg-2Zn-1Mn alloy. In: Zeitschrift für Metallkunde, 94 (11). pp. 1255-1259.
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Processing maps have been developed for hot deformation of Mg-2Zn-1Mn alloy in as-cast condition and after homogenization with a view to evaluate the influence of homogenization. Hot compression data in the temperature range 300-500degreesC and strain rate range 0.001-100 s(-1) were used for generating the processing map. In the map for the as-cast alloy the domain of dynamic recrystallization occurring, at 450degreesC and 0.1 s(-1) has merged with another domain occurring at 500degreesC and 0.001 s(-1) representing grain boundary cracking. The latter domain is eliminated by homogenization and the dynamic recrystallization domain expanded with a higher peak efficiency occurring at 500 degreesC and 0.05 s(-1). The flow localization occurring at strain rates higher than 5 s(-1) is unaffected by homogenization.
| Item Type: | Journal Article |
|---|---|
| Publication: | Zeitschrift für Metallkunde |
| Publisher: | Carl Hanser Verlag |
| Additional Information: | Copyright of this article belongs to Carl Hanser Verlag. |
| Department/Centre: | Division of Mechanical Sciences > Materials Engineering (formerly Metallurgy) |
| Date Deposited: | 29 Aug 2011 06:41 |
| Last Modified: | 29 Aug 2011 06:41 |
| URI: | http://eprints.iisc.ac.in/id/eprint/40125 |
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