Metallurgical and Materials Transactions A

, Volume 38, Issue 11, pp 2815-2824

First online:

Effects of Degree of Deformation and Deformation Temperature on Primary Recrystallization Textures in Polycrystalline Nickel

  • H. ChangAffiliated withThayer School of Engineering, Dartmouth CollegeMaterials Science for Continental Teves
  • , I. BakerAffiliated withThayer School of Engineering, Dartmouth College Email author 

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The effects of both deformation temperature and degree of deformation on the deformation texture, recrystallization behavior, and recrystallization texture were studied for cold-rolled, high-purity, polycrystalline nickel. Differential scanning calorimetry was used to determine both the stored energy of deformation and the recrystallization temperature, and electron backscatter patterns were employed to reveal both the deformation and recrystallization textures of nickel rolled to either 90 pct thickness reduction at −196 °C, 25 °C, and 200 °C or rolled to 90, 95, and 98 pct thickness reductions at 25 °C. The results show that decreasing the rolling temperature below room temperature increased the stored energy considerably and decreased the recrystallization temperature, whereas increasing the rolling temperature had no effect on either the stored energy or the recrystallization temperature. These different rolling temperatures had little effect on the cube texture produced by primary recrystallization. In contrast, increasing the rolling reduction increased the stored energy (at least from 90 to 95 pct), decreased the primary recrystallization temperature, and also sharpened the primary-recrystallized cube texture.