Influence of annealing texture on dynamic tensile deformation characteristics of Dual phase steel

Adhikary, M and Chakraborty, A and Das, A and Venugopalan, T and Ravi Kumar, B (2018) Influence of annealing texture on dynamic tensile deformation characteristics of Dual phase steel. Materials Science and Engineering: A , 736 (IF-4.081). pp. 209-218.

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Effect of industrial continuous annealing conditions on 67% cold rolled steel intended for producing dual phase steel is reported in this study. Evolution of dual phase microstructure and bulk texture during two different industrial continuous annealing process conditions were analysed using scanning electron microscope and x-ray diffractometer. Annealed dual phase steels were tensile deformed under quasi-static and dynamic deformation conditions. Deformed specimens were evaluated for bulk texture changes with respect to tensile deformation strain rates. The study revealed the effect of variation in industrial continuous annealing process on microstructure evolution, especially with respect to spatial second hard phase distribution and bulk texture. Depending on the heating rates and peak annealing temperature the spatial distribution of martensite was found to change from predominant grain boundary type to "in grain" type. A variation in bulk texture intensity was also observed. The weak annealing texture of alpha- and gamma- bcc texture fibres were found to improve dynamic tensile deformation characteristic of steel.

Item Type:Article
Official URL/DOI:
Uncontrolled Keywords:Dual phase steel; Microstructure; Continuous annealing; Texture; High strain rate tensile deformation
Divisions:Material Science and Technology
ID Code:7905
Deposited By:Sahu A K
Deposited On:19 Sep 2019 12:35
Last Modified:19 Sep 2019 12:35
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