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Texture evolution of deep-drawing sheet St15 during recrystallizaiton annealing

SUN Jinghong, LIU Yazheng, ZHOU Leyu, TU Yonggang, TONG Qiang, GUO YanchangMaterials Science and Engineering School, University of Science and Technology Beijing, Beijing 100083, ChinaBenxi Iron & Steel (Group) Co. Ltd., Benxi 117000, China  
Electrical back scatter pattern (EBSP) was used to investigate the texture evolution rule of deep-drawing sheet St15 during recrystallization annealing. When the heating rate is 30℃/h, the recrystallization temperature of deep-drawing sheet St15 is about 560℃, the recrystallization finishing time is nearly 2 h, and the strongest component of the recrystallization texture is {100}110. γ fibre texture in St15, especially {111}112, strengthens with incresing the annealing temperature. When the holding temperature is 700℃, {111}110 texture in St15 strengthens with increasing the annealing time, and after holding for 4h{111}112 texture gradually. When the holding time reaches 13 h, a satisfied annealing texture is achieved.
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