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| Naji, M. |
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| Ertürk, Emre |
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| Taccardi, Nicola |
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| Petrov, R. H. | Madrid |
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| Alshaaer, Mazen | Brussels |
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| Casati, R. |
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| Kočí, Jan | Prague |
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| Ali, M. A. |
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| Azevedo, Nuno Monteiro |
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Dharmendra, Chalasani
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Publications (7/7 displayed)
- 2019Texture Evolution and Anisotropy of Plastic Flow in Hot Compression of Extruded ZK60-T5 Magnesium Alloy Plate
- 2018Effect of calcium on the hot working behavior of AZ31-1.5 vol.% nano-alumina composite prepared by disintegrated melt deposition (DMD) processingcitations
- 2018Hot Deformation Behavior and Processing Map of Mg-3Sn-2Ca-0.4Al-0.4Zn alloycitations
- 2018Review on Hot Working Behavior and Strength of Calcium‐Containing Magnesium Alloyscitations
- 2017Optimization of thermo-mechanical processing for forging of newly developed creep-resistant magnesium alloy ABAX633citations
- 2017High temperature strength and hot working technology for As-cast Mg-1Zn-1Ca (ZX11) alloycitations
- 2013High Temperature Deformation and Microstructural Features of TXA321 Magnesium Alloy: Correlations with Processing Mapcitations
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article
High Temperature Deformation and Microstructural Features of TXA321 Magnesium Alloy: Correlations with Processing Map
Abstract
The hot deformation of cast TXA321 alloy has been studied in the temperature range 300-500 °C and in the strain rate range 0.0003-10 s <sup>-1</sup> by developing a processing map. The map exhibited four domains in the temperature and strain rate ranges: (1) 300-325 °C and 0.0003-0.001 s<sup>-1</sup>, (2) 325-430 °C and 0.001-0.04 s<sup>-1</sup>, (3) 430-500 °C and 0.01-0.5 s<sup>-1</sup>, and (4) 430-500 °C and 0.0003-0.002 s<sup>-1</sup>. The first three domains represent dynamic recrystallization, resulting in finer grain sizes in the first two domains and coarser in the third domain. In the fourth domain, the alloy exhibited grain boundary sliding resulting in intercrystalline cracking in tension and is not useful for its hot working. Two regimes of flow instability were identified at higher strain rates, one at temperatures 480 °C. The hot workability of Mg-3Sn-2Ca-1Al alloy has been established through the development of its processing map based on dynamic materials model. Domains 1-3 are considered as desirable processing windows for forming this alloy due to extensive dynamic recrystallization and grain refinement. Domain 4 represents extensive grain boundary sliding, and should be avoided under stresses of tensile nature due to flow instability. Copyright © 2013 WILEY-VCH Verlag GmbH & Co. KGaA, Weinheim.