AZ31マグネシウム合金の再結晶挙動(オーガナイズドセッション,材料と組織)

概要

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Magnesium, which is the lightest among the metals practically used, is one of the most attractive materials in the field related to the filed of transportation, considering the global warming problem. In this study, optical microscopic observation has been made on an extruded flat bar of AZ31 wrought magnesium alloy in order to make clear the recrystallization behavior. Firstly, the received materials were annealed for 1h at 300℃ in an air atmosphere. Then, the specimens were cold-rolled by 30%. As a result, heavily deformed local regions were observed probably at the intersection between former grain boundary and deformation band after cold rolling, and recrystallized grains formed in these regions at the beginning of annealing.
一般社団法人日本機械学会の論文
2004-09-23