低炭素鋼板の冷間圧延および再結晶集合組織

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タイトル別名
  • Cold-Rolling and Recrystallization Textures of Low Carbon Steel Sheets
  • テイタンソ コウハン ノ レイカン アツエン オヨビ サイケッショウ シュウゴウ ソシキ

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The effect of solution-treatment of carbon and nitrogen prior to cold-rolling on the textures of low carbon steels was studied by magnetic torque and X-ray pole figure methods. The following results have been obtained:<BR>(1) The harmonic coefficient a4 of magnetic torque after cold-rolling always showed a positive value and increased with cold-rolling reduction by the development of the (100)[011]+(2\bar11)[011] texture. At the same cold-rolling reduction, no remarkable difference could be observed between the deformation texture of the rimmed steel and that of the killed steel.<BR>Significant influence of the solution-treatment on the cold-rolling texture could not be observed in both steels.<BR>(2) On annealing for 1 hr at 700°C, the coefficient a4 decreased to a negative value and the maximum absolute value was obtained by the reduction of 70%. The absolute values of a4 obtained on annealing the 50 and 70% rolled sheets were found to be raised by the solution-treatment prior to the cold-rolling. The (200) pole figures indicated that the total amount of (hk0)[001] type components was increased by the solution-treatment. The recrystallization texture of the 90% rolled sheets consisted of two main components of (111)[11\bar2] and (411)[148], which were not affected by the solution-treatment. As in the case of the cold-rolling texture, the recrystallization textures of the rimmed and killed steels were found to be almost the same.<BR>(3) The variation of the recrystallization texture by the solution-treatment prior to cold-rolling may be interpreted by the change in the distribution of precipitates before the primary recrystallization, which has influence on the selective nucleation or growth of the recrystallized grains.

収録刊行物

  • 日本金属学会誌

    日本金属学会誌 28 (9), 542-548, 1964

    公益社団法人 日本金属学会

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