Calculation of the ferrite volume in some dual phase steels |
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| Authors: | Dai Qixun and Yang Ruzeng |
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| Affiliation: | Department of Materials and Engineering, Jiangsu University of Science and Technology, Zhenjiang, 212013, People's Republic of China |
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| Abstract: | The relation between the γ/γ +  boundary temperature, T, and the equivalent values of Cr] and Ni], as well as the variation of the ferrite volume, Vf, with the temperature in + γ dual-phase steels have been studied. With the aid of a computer, the regressive expressions derived from the experimental results are: T (°C) = T3 + 21.2 Cr] ? 15.8 Ni] + 223; Vf (%) = 0.715 exp 0.015(T ? Tδ)] ? exp0.015(Tc ? Tδ)] + 1.85 exp 0.0083(T ? Tc]). |
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