Cu-Fe合金の機械的性質について

概要

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Mechanical properties, metallurgical structures and fiber textures of Cu-Fe alloys were investigated and the following results were obtained.(1) The quenched Cu-Fe alloys are harder than the slowly cooled Cu-Fe alloys after holding at the temperature range over the eutectic point, and the faster the cooling rate is, the larger the difference of hardness becomes.(2) Cu-Fe alloys subjected to severe cold drawing come to have fine fibrous structures. On the said occasion the Fe-rich phases have strong <110> α fiber texture, but the Cu-rich phases only have weak <111> ε fiber texture.(3) When the specimens are annealed at 800°C below the eutectic point, the Cu-rich phases recrystallize and come to have strong <111> ε fiber texture even before the recovery of the elongation. On the other hand the Fe-rich phases grow in size with the lapse of time. When they reach to a certain size, the elongation also reaches to a certain amount. The growth of the Fe-rich phases are in good accordance with the recovery of the elongation.
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