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Communication Dans Un Congrès Année : 2005

Microstructure and mechanical properties of extruded AM50 + xCa magnesium alloys

Résumé

As-cast AM50 magnesium alloys containing 0, 1, 2 wt. %Ca were extruded firstly at 673K with an extrusion ratio 1:9, and then at 573K with an extrusion ratio 1:16. Microstructure, tensile properties and fractographs were investigated. With Ca content increasing, the amount of Al2Ca increases and that of Mg17Al12 decreases. Ca refines the microstructure of as-cast and extruded AM50 magnesium alloys. For the extruded magnesium alloys, tensile strength improved and elongation decreased at room temperature, while tensile strength was reduced a little and elongation reduced at the temperature of 100°C, 150°C and 200°C with increasing Ca content. The tearing face increases with Ca content increasing for the tensile fractographs.
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hal-00147222 , version 1 (24-04-2023)

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Wang Qudong, Peng Jianguo, Liu Manping, Chen Yongjun, Ding Wenjiang, et al.. Microstructure and mechanical properties of extruded AM50 + xCa magnesium alloys. Internatinal Conference on Magnesium: Science, Technology and Applications, 2005, Beijing, China. pp.119-122, ⟨10.4028/www.scientific.net/MSF.488-489.119⟩. ⟨hal-00147222⟩

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