| The effects of coiling temperature on the texture development and mechanical properties of a 1wt% copper containing extra low carbon steel were investigated. An experimental alloy was vacuum induction melted, forged and then hot rolled. Coiling process was simulated by annealing at 500℃ or 700℃ for 1 hour and was followed by furnace cooling. After the coiling simulation, specimens were cold rolled with reduction ratio of 80% or 90%. ε-Cu precipitates in ferrite matrix are rarely observed in specimens coiled at 500℃ and coiling does not affect the development of {111} recrystallization texture. However fine ε-Cu particles are precipitated in α-Fe matrix when coiled at 700℃ and the precipitates remarkably increase the intensities of α-fiber texture components during cold rolling, retard the recrystallization during annealing and suppress the development of {111} recrystallization texture. Coiling temperature does not affect the tensile properties of 1wt% copper containing steel but, in specimens coiled at 700℃, suppression of {111} recrystallization texture results in lower mean plastic strain ratio. |
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