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| Influence of cold-rolling reduction ratio and normalizing process on primary recrystallization texture of Hi-B steel |
| XU Yong1,2，ZHAO Gang1,2，XIAO Huan1,2 |
（1. School of Materials and Metallurgy， Wuhan University of Science and Technology， Wuhan 430081， Hubei， China
2. Key Laboratory for Ferrous Metallurgy and Resources Utilization of Ministry of Education， Wuhan University of Science and Technology， Wuhan 430081， Hubei， China） |
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Abstract The influences of different cold-rolling reduction ratios (63.8%，75.2%，87.1%) and normalizing (two-stage normalizing) process on primary recrystallization (820 ℃， 5 min) of Hi-B steel which took Cu2S and AlN as inhibitor manufactured by stimulating CSP process were studied by electron back-scattered diffractionNOVA400 Nano field emission scanning electron microscope (SEM) and electron back-scattered diffraction (EBSD) (EBSD). The analysis of texture was based on three aspects： grain-oriented， PDF cross section of[φ2＝45]and density of orientation lines. The results show that the micro-structure of specimens which has been primary recrystallization annealed after normalizing is more even， {111}〈112〉 and Goss textures are more relatively. Textures transforms， and the conversion products are mainly {111}〈112〉 texture which benefits the formation of Goss texture. When the reduction ratio is 87.1%， the structure has favorable grain orientation and suitable orientation line distributed.
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Received: 16 May 2016
Published: 09 December 2016
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2016, Vol. 51 
