High Temperature Deformation of Wrought Zn-Containing Magnesium Alloys

Stefano Spigarelli; Mohamad El Mehtedi; D. Ciccarelli; Menachem Bamberger; Giuseppe Cupitò; Y. Rami

doi:10.4028/www.scientific.net/MSF.638-642.1482

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Nanocrystalline LPSO Mg-Zn-Y-Al Alloys with High Mechanical Strength and Corrosion Resistance
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High Temperature Deformation of Wrought Zn-Containing Magnesium Alloys
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Optimization of Heat Treatment Conditions of Magnesium Cast Alloys
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Modeling Environment of Friction Stir Joining for AA2017T351 Plates in Butt Joint
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Friction Stir Welding of SiCp/Al Composite and 2024 Al Alloy
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Improvement of Magnesium Sheet Formability by Alloying Addition of Rare Earth Elements
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High Temperature Deformation of Wrought Zn-Containing Magnesium Alloys

Abstract:

The high temperature response in torsion and creep of two extruded Mg-Zn alloys was investigated in the present study. The alloy 0 (Mg-2Zn-1Mn) was found to exhibit a lower strength than the alloy 2 (Mg-0.55Zn-0.79Mn-0.75Al-0.17Ca), even if the activation energy for creep was similar for both materials (170-180 kJ/mol). The difference in flow stress was here preliminarily attributed to the precipitation of fine Al2Ca particles.