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| Naji, M. |
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| Motta, Antonella |
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| Aletan, Dirar |
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| Mohamed, Tarek |
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| Ertürk, Emre |
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| Taccardi, Nicola |
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| Kononenko, Denys |
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| Petrov, R. H. | Madrid |
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| Alshaaer, Mazen | Brussels |
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| Bih, L. |
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| Casati, R. |
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| Muller, Hermance |
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| Kočí, Jan | Prague |
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| Šuljagić, Marija |
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| Kalteremidou, Kalliopi-Artemi | Brussels |
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| Azam, Siraj |
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| Ospanova, Alyiya |
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| Ali, M. A. |
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| Popa, V. |
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| Rančić, M. |
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| Ollier, Nadège |
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| Azevedo, Nuno Monteiro |
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| Landes, Michael |
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| Rignanese, Gian-Marco |
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Dharmendra, C.
in Cooperation with on an Cooperation-Score of 37%
Topics
Publications (26/26 displayed)
- 2019Forging of Mg–3Sn–2Ca–0.4Al Alloy Assisted by Its Processing Map and Validation Through Analytical Modeling
- 2019Textural Changes in Hot Compression of Disintegrated Melt Deposition (DMD)–Processed AZ31-1Ca-1.5 vol. % Nano-Alumina Composite
- 2018Hot Deformation Behavior and Processing Map of Mg-3Sn-2Ca-0.4Al-0.4Zn Alloycitations
- 2018Hot forging behavior of Mg−8Al−4Ba−4Ca (ABaX844) alloy and validation of processing mapcitations
- 2018Role of loading direction on compressive deformation behavior of extruded ZK60 alloy plate in a wide range of temperaturecitations
- 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
- 2015Comparative Study of Microstructure and Texture of Cast and Homogenized TX32 Magnesium Alloy After Hot Deformationcitations
- 2015Processing Map of AZ31-1Ca-1.5 vol.% Nano-Alumina Composite for Hot Workingcitations
- 2015Comparative study of microstructure and texture of cast and homogenized TX32 magnesium alloy after hot deformationcitations
- 2014Effect of silicon content on hot working, processing maps, and microstructural evolution of cast TX32-0.4Al magnesium alloycitations
- 2014Effect of aluminum on microstructural evolution during hot deformation of TX32 magnesium alloycitations
- 2013Hot workability analysis with processing map and texture characteristics of as-cast TX32 magnesium alloycitations
- 2013High temperature deformation of magnesium alloy TX32-0.4Al-0.8Si
- 2013High temperature deformation of magnesium alloy TX32-0.4Al-0.8Si
- 2013High Temperature Deformation and Microstructural Features of TXA321 Magnesium Alloy: Correlations with Processing Mapcitations
- 2012Deformation Microstructures and Textures of Cast Mg-3Sn-2Ca alloy under Uniaxial Hot Compression
- 2012Hot working mechanisms and texture development in Mg-3Sn-2Ca-0.4Al alloycitations
- 2012Effect of deformation conditions on microstructure and texture during compression of Mg-3Sn-2Ca-0.4Al-0.4Si alloy
- 2012Texture evolution during hot deformation processing of Mg-3Sn-2Ca-0.4Al alloy
- 2012Texture evolution during hot deformation processing of Mg-3Sn-2Ca-0.4Al alloycitations
- 2012Study of Microstructure and Texture of Hot-Deformed TXA321 Magnesium alloy
- 2011Compressive strength and hot deformation behavior of TX32 magnesium alloy with 0.4% Al and 0.4% Si additionscitations
- 2011COMPRESSIVE STRENGTH AND HOT DEFORMATION BEHAVIOR OF TX32 MAGNESIUM ALLOY WITH 0.4% Al AND 0.4% Si ADDITIONScitations
- 2011Study on laser welding-brazing of zinc coated steel to aluminum alloy with a zinc based fillercitations
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article
Effect of silicon content on hot working, processing maps, and microstructural evolution of cast TX32-0.4Al magnesium alloy
Abstract
The effect of silicon (0.2-0.8wt%) addition on the hot working behavior and deformation mechanisms of the Mg-3Sn-2Ca-0.4Al (TX32-0.4Al) alloy has been evaluated by generating processing maps in the temperature and strain rate ranges of 300-500°C and 0.0003-10s<sup>-1</sup>. The processing map for the base TX32-0.4Al alloy exhibited two dynamic recrystallization (DRX) domains in the ranges (1) 300-360°C and 0.0003-0.001s<sup>-1</sup> and (2) 400-500°C and 0.003-0.7s<sup>-1</sup>. While 0.2% Si addition did not result in any significant change in the processing map of the base TX32-0.4Al alloy, 0.4% Si addition has enhanced hot workability by widening the processing window(s) and by reducing flow instability. The rate controlling mechanism in Domain 1 is identified as climb, whereas it is cross-slip in Domain 2. When the Si content is increased to 0.6 and 0.8%, the volume fraction of hard intermetallic particles has increased nearly two fold. The processing map for the alloy with 0.6% Si addition exhibited an additional Domain 3 at higher temperatures and high strain rates (475-500°C and 0.01-10s<sup>-1</sup>). However, cracking has occurred in Domain 1 due to void formation at hard particles. In Domains 2 and 3, DRX occurred predominantly by basal slip with climb as a recovery process, as confirmed by the resulting basal texture and tilt type sub-boundary structure. This is attributed to the large back stress generated by the increased volume fraction of intermetallic particles due to which the extensive activation of basal slip required considerably high temperatures. Increase in the volume fraction of hard particles due to higher Si content reduces the flow instability by generating a high rate of entropy production through increasing the nucleation sites for power dissipation and enhances the occurrence of void formation and/or ductile fracture. © 2014.