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Shvoong Home>Science>Analysis of textural features during ferrite refinement by deformation-enhanced transformation in a Summary

Analysis of textural features during ferrite refinement by deformation-enhanced transformation in a

Article Summary   by:TsingHua     Original Author: Chinese Journal of Materials Research
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The textural features during ferrite refinement by deformation enhanced transformation were analyzed by means of orientation mapping based on the EBSD technique in a Q235 low carbon steel. Results show that transformation texture, deformation texture and/or dynamic recrystallization texture can occur in this process. In general the <111> fiber texture is dominant which is in contrast to the pronounced <100> texture related with the heavy strain on ferrite below A1. Transformation texture was evolved mainly at the deformation bands inside coarse austenite grains and is related to the <111> component. Deformation texture, due to the constant loading of strains on ferrite, was developed both during deformation enhanced transformation and thereafter. It is related to the <111> as well as the <100> component. As strain increased the<100> component was enhanced faster and the lower temperature favored deformation textures. At heavy strain and suitable temperatures, dynamic recrystallization proceeded in a continuous way leading to an enhanced deformation texture and further refinement of ferrite.
Published: October 25, 2003   
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